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* Memory hotplug softlock issue
@ 2018-11-14  7:09 Baoquan He
  2018-11-14  7:16 ` Baoquan He
                   ` (2 more replies)
  0 siblings, 3 replies; 54+ messages in thread
From: Baoquan He @ 2018-11-14  7:09 UTC (permalink / raw)
  To: linux-mm; +Cc: linux-kernel, mhocko, akpm, aarcange, david

[-- Attachment #1: Type: text/plain, Size: 335 bytes --]

Hi,

Tested memory hotplug on a bare metal system, hot removing always
trigger a lock. Usually need hot plug/unplug several times, then the hot
removing will hang there at the last block. Surely with memory pressure
added by executing "stress -m 200".

Will attach the log partly. Any idea or suggestion, appreciated. 

Thanks
Baoquan

[-- Attachment #2: dmesg_1114_post.log --]
[-- Type: text/plain, Size: 274821 bytes --]

......

[  +0.000000] BIOS-provided physical RAM map:
[  +0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable
[  +0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved
[  +0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000041a2dfff] usable
[  +0.000000] BIOS-e820: [mem 0x0000000041a2e000-0x0000000041a2efff] unusable
[  +0.000000] BIOS-e820: [mem 0x0000000041a2f000-0x000000004f22efff] usable
[  +0.000000] BIOS-e820: [mem 0x000000004f22f000-0x000000005122efff] reserved
[  +0.000000] BIOS-e820: [mem 0x000000005122f000-0x000000005147efff] ACPI data
[  +0.000000] BIOS-e820: [mem 0x000000005147f000-0x000000005947efff] ACPI NVS
[  +0.000000] BIOS-e820: [mem 0x000000005947f000-0x000000005b87efff] reserved
[  +0.000000] BIOS-e820: [mem 0x000000005b87f000-0x000000006d265fff] usable
[  +0.000000] BIOS-e820: [mem 0x000000006d266000-0x000000006d2ebfff] reserved
[  +0.000000] BIOS-e820: [mem 0x000000006d2ec000-0x000000006fffffff] usable
[  +0.000000] BIOS-e820: [mem 0x0000000070000000-0x000000008fffffff] reserved
[  +0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
[  +0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[  +0.000000] BIOS-e820: [mem 0x0000000100000000-0x0000000fffffffff] usable
[  +0.000000] BIOS-e820: [mem 0x000000ff80000000-0x0000010fffffffff] usable
[  +0.000000] BIOS-e820: [mem 0x0000080000000000-0x0000080fffffffff] usable
[  +0.000000] BIOS-e820: [mem 0x0000090000000000-0x0000090fffffffff] usable
[  +0.000000] BIOS-e820: [mem 0x0000100000000000-0x0000100fffffffff] usable
[  +0.000000] BIOS-e820: [mem 0x0000110000000000-0x0000110fffffffff] usable
[  +0.000000] BIOS-e820: [mem 0x0000180000000000-0x0000180fffffffff] usable
[  +0.000000] BIOS-e820: [mem 0x0000190000000000-0x0000190fffffffff] usable
[  +0.000000] BIOS-e820: [mem 0x0000200100000000-0x000020013fffffff] reserved
[  +0.000000] NX (Execute Disable) protection: active
[  +0.000000] e820: update [mem 0x28bc5018-0x28bdf857] usable ==> usable
[  +0.000000] e820: update [mem 0x28bc5018-0x28bdf857] usable ==> usable
[  +0.000000] extended physical RAM map:
[  +0.000000] reserve setup_data: [mem 0x0000000000000000-0x000000000009ffff] usable
[  +0.000000] reserve setup_data: [mem 0x00000000000a0000-0x00000000000fffff] reserved
[  +0.000000] reserve setup_data: [mem 0x0000000000100000-0x0000000028bc5017] usable
[  +0.000000] reserve setup_data: [mem 0x0000000028bc5018-0x0000000028bdf857] usable
[  +0.000000] reserve setup_data: [mem 0x0000000028bdf858-0x0000000041a2dfff] usable
[  +0.000000] reserve setup_data: [mem 0x0000000041a2e000-0x0000000041a2efff] unusable
[  +0.000000] reserve setup_data: [mem 0x0000000041a2f000-0x000000004f22efff] usable
[  +0.000000] reserve setup_data: [mem 0x000000004f22f000-0x000000005122efff] reserved
[  +0.000000] reserve setup_data: [mem 0x000000005122f000-0x000000005147efff] ACPI data
[  +0.000000] reserve setup_data: [mem 0x000000005147f000-0x000000005947efff] ACPI NVS
[  +0.000000] reserve setup_data: [mem 0x000000005947f000-0x000000005b87efff] reserved
[  +0.000000] reserve setup_data: [mem 0x000000005b87f000-0x000000006d265fff] usable
[  +0.000000] reserve setup_data: [mem 0x000000006d266000-0x000000006d2ebfff] reserved
[  +0.000000] reserve setup_data: [mem 0x000000006d2ec000-0x000000006fffffff] usable
[  +0.000000] reserve setup_data: [mem 0x0000000070000000-0x000000008fffffff] reserved
[  +0.000000] reserve setup_data: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
[  +0.000000] reserve setup_data: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[  +0.000000] reserve setup_data: [mem 0x0000000100000000-0x0000000fffffffff] usable
[  +0.000000] reserve setup_data: [mem 0x000000ff80000000-0x0000010fffffffff] usable
[  +0.000000] reserve setup_data: [mem 0x0000080000000000-0x0000080fffffffff] usable
[  +0.000000] reserve setup_data: [mem 0x0000090000000000-0x0000090fffffffff] usable
[  +0.000000] reserve setup_data: [mem 0x0000100000000000-0x0000100fffffffff] usable
[  +0.000000] reserve setup_data: [mem 0x0000110000000000-0x0000110fffffffff] usable
[  +0.000000] reserve setup_data: [mem 0x0000180000000000-0x0000180fffffffff] usable
[  +0.000000] reserve setup_data: [mem 0x0000190000000000-0x0000190fffffffff] usable
[  +0.000000] reserve setup_data: [mem 0x0000200100000000-0x000020013fffffff] reserved
[  +0.000000] efi: EFI v2.40 by American Megatrends
[  +0.000000] efi:  ACPI=0x51277000  ACPI 2.0=0x51277000  ESRT=0x5b34fe18  SMBIOS=0xf05e0  MPS=0xea000 
[  +0.000000] SMBIOS 2.8 present.
[  +0.000000] DMI:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
[  +0.000000] tsc: Fast TSC calibration using PIT
[  +0.000000] tsc: Detected 2399.972 MHz processor
[  +0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[  +0.000001] e820: remove [mem 0x000a0000-0x000fffff] usable
[  +0.000008] last_pfn = 0x191000000 max_arch_pfn = 0x400000000
[  +0.000005] MTRR default type: write-back
[  +0.000001] MTRR fixed ranges enabled:
[  +0.000001]   00000-9FFFF write-back
[  +0.000001]   A0000-BFFFF uncachable
[  +0.000000]   C0000-FFFFF write-protect
[  +0.000001] MTRR variable ranges enabled:
[  +0.000001]   0 base 000080000000 mask 3FFF80000000 uncachable
[  +0.000001]   1 base 200100000000 mask 3FFFC0000000 uncachable
[  +0.000001]   2 base 210000000000 mask 3F8000000000 uncachable
[  +0.000001]   3 base 218000000000 mask 3FE000000000 uncachable
[  +0.000001]   4 base 21A000000000 mask 3FF800000000 uncachable
[  +0.000000]   5 disabled
[  +0.000000]   6 disabled
[  +0.000001]   7 disabled
[  +0.000000]   8 disabled
[  +0.000001]   9 disabled
[  +0.003688] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  
[  +0.000700] x2apic: enabled by BIOS, switching to x2apic ops
[  +0.000004] last_pfn = 0x70000 max_arch_pfn = 0x400000000
[  +0.007795] found SMP MP-table at [mem 0x000fcb20-0x000fcb2f] mapped at [(____ptrval____)]
[  +0.000023] esrt: Reserving ESRT space from 0x000000005b34fe18 to 0x000000005b34fe50.
[  +0.000006] Base memory trampoline at [(____ptrval____)] 98000 size 24576
[  +0.000006] Using GB pages for direct mapping
[  +0.000002] BRK [0x03004000, 0x03004fff] PGTABLE
[  +0.000003] BRK [0x03005000, 0x03005fff] PGTABLE
[  +0.000001] BRK [0x03006000, 0x03006fff] PGTABLE
[  +0.000249] BRK [0x03007000, 0x03007fff] PGTABLE
[  +0.000063] BRK [0x03008000, 0x03008fff] PGTABLE
[  +0.000198] BRK [0x03009000, 0x03009fff] PGTABLE
[  +0.000096] BRK [0x0300a000, 0x0300afff] PGTABLE
[  +0.000104] BRK [0x0300b000, 0x0300bfff] PGTABLE
[  +0.000210] BRK [0x0300c000, 0x0300cfff] PGTABLE
[  +0.000005] BRK [0x0300d000, 0x0300dfff] PGTABLE
[  +0.000046] BRK [0x0300e000, 0x0300efff] PGTABLE
[  +0.000041] BRK [0x0300f000, 0x0300ffff] PGTABLE
[  +0.000360] Secure boot disabled
[  +0.000002] RAMDISK: [mem 0x28be0000-0x2a332fff]
[  +0.000006] ACPI: Early table checksum verification disabled
[  +0.000005] ACPI: RSDP 0x0000000051277000 000024 (v02 ALASKA)
[  +0.000004] ACPI: XSDT 0x00000000512770B8 0000F4 (v01 ALASKA A M I    01072009 AMI  00010013)
[  +0.000006] ACPI: FACP 0x000000005139F100 00010C (v05 ALASKA A M I    01072009 AMI  00010013)
[  +0.000005] ACPI: DSDT 0x0000000051277240 127EBB (v02 ALASKA A M I    01072009 MSFT 01000013)
[  +0.000003] ACPI: FACS 0x000000005947DF80 000040
[  +0.000003] ACPI: APIC 0x000000005139F210 006E2C (v03 ALASKA A M I    01072009 AMI  00010013)
[  +0.000002] ACPI: FPDT 0x00000000513A6040 000044 (v01 ALASKA A M I    01072009 AMI  00010013)
[  +0.000003] ACPI: FIDT 0x00000000513A6088 00009C (v01 ALASKA A M I    01072009 AMI  00010013)
[  +0.000003] ACPI: SPMI 0x00000000513A6128 000041 (v05 ALASKA A M I    00000000 AMI. 00000000)
[  +0.000002] ACPI: MSDM 0x00000000513A6170 000055 (v03 ALASKA A M I    01072009 AMI  00010013)
[  +0.000003] ACPI: MCFG 0x00000000513A61C8 00004C (v01 ALASKA A M I    01072009 MSFT 00000097)
[  +0.000003] ACPI: SSDT 0x00000000513A6218 0111A8 (v02 INTEL  SpsNm    00000002 INTL 20120913)
[  +0.000002] ACPI: SSDT 0x00000000513B73C0 000040 (v02 INTEL  SpsNvs   00000002 INTL 20120913)
[  +0.000003] ACPI: PRAD 0x00000000513B7400 000129 (v02 INTEL  SpsPrAgg 00000002 INTL 20120913)
[  +0.000003] ACPI: UEFI 0x00000000513B7530 000042 (v01 ALASKA A M I    01072009      00000000)
[  +0.000002] ACPI: BDAT 0x00000000513B7578 000030 (v01 ALASKA A M I    00000000 MSFT 01000013)
[  +0.000003] ACPI: HPET 0x00000000513B75A8 000038 (v01 ALASKA A M I    00000001 MSFT 01000013)
[  +0.000002] ACPI: MSCT 0x00000000513B75E0 0002F8 (v01 ALASKA A M I    00000001 MSFT 01000013)
[  +0.000003] ACPI: PCCT 0x00000000513B78D8 0000AC (v01 ALASKA A M I    00000002 MSFT 01000013)
[  +0.000002] ACPI: PMCT 0x00000000513B7988 000060 (v01 ALASKA A M I    00000000 MSFT 01000013)
[  +0.000003] ACPI: RASF 0x00000000513B79E8 000030 (v01 ALASKA A M I    00000001 MSFT 01000013)
[  +0.000002] ACPI: SLIT 0x00000000513B7A18 00042C (v01 ALASKA A M I    00000001 MSFT 01000013)
[  +0.000003] ACPI: SRAT 0x00000000513B7E48 009A80 (v03 ALASKA A M I    00000002 MSFT 01000013)
[  +0.000003] ACPI: WDDT 0x00000000513C18C8 000040 (v01 ALASKA A M I    00000000 MSFT 01000013)
[  +0.000002] ACPI: SSDT 0x00000000513C1908 0BCC72 (v02 AMI    PmMgt    00000001 INTL 20120913)
[  +0.000003] ACPI: DMAR 0x000000005147E580 000328 (v01 ALASKA A M I    00000001 MSFT 01000013)
[  +0.000002] ACPI: HEST 0x000000005147E8A8 0000E8 (v01 ALASKA A M I    00000001 INTL 00000001)
[  +0.000003] ACPI: BERT 0x000000005147E990 000030 (v01 ALASKA A M I    00000001 INTL 00000001)
[  +0.000003] ACPI: ERST 0x000000005147E9C0 000230 (v01 ALASKA A M I    00000001 INTL 00000001)
[  +0.000002] ACPI: EINJ 0x000000005147EBF0 000150 (v01 ALASKA A M I    00000001 INTL 00000001)
[  +0.000010] ACPI: Local APIC address 0xfee00000
[  +0.000002] Setting APIC routing to cluster x2apic.
[  +0.000051] SRAT: PXM 0 -> APIC 0x0000 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0002 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0004 -> Node 0
[  +0.000000] SRAT: PXM 0 -> APIC 0x0006 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0008 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0010 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0012 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0014 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0016 -> Node 0
[  +0.000000] SRAT: PXM 0 -> APIC 0x0020 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0022 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0024 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0026 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0028 -> Node 0
[  +0.000000] SRAT: PXM 0 -> APIC 0x0030 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0032 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0034 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0036 -> Node 0
[  +0.000001] SRAT: PXM 1 -> APIC 0x0040 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0042 -> Node 1
[  +0.000000] SRAT: PXM 1 -> APIC 0x0044 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0046 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0048 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0050 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0052 -> Node 1
[  +0.000000] SRAT: PXM 1 -> APIC 0x0054 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0056 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0060 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0062 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0064 -> Node 1
[  +0.000000] SRAT: PXM 1 -> APIC 0x0066 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0068 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0070 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0072 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0074 -> Node 1
[  +0.000000] SRAT: PXM 1 -> APIC 0x0076 -> Node 1
[  +0.000001] SRAT: PXM 2 -> APIC 0x0080 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0082 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0084 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0086 -> Node 2
[  +0.000000] SRAT: PXM 2 -> APIC 0x0088 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0090 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0092 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0094 -> Node 2
[  +0.000000] SRAT: PXM 2 -> APIC 0x0096 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00a0 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00a2 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00a4 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00a6 -> Node 2
[  +0.000000] SRAT: PXM 2 -> APIC 0x00a8 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00b0 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00b2 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00b4 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00b6 -> Node 2
[  +0.000001] SRAT: PXM 3 -> APIC 0x00c0 -> Node 3
[  +0.000000] SRAT: PXM 3 -> APIC 0x00c2 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00c4 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00c6 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00c8 -> Node 3
[  +0.000000] SRAT: PXM 3 -> APIC 0x00d0 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00d2 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00d4 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00d6 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00e0 -> Node 3
[  +0.000000] SRAT: PXM 3 -> APIC 0x00e2 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00e4 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00e6 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00e8 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00f0 -> Node 3
[  +0.000000] SRAT: PXM 3 -> APIC 0x00f2 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00f4 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00f6 -> Node 3
[  +0.000001] SRAT: PXM 4 -> APIC 0x0100 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0102 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0104 -> Node 4
[  +0.000000] SRAT: PXM 4 -> APIC 0x0106 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0108 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0110 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0112 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0114 -> Node 4
[  +0.000000] SRAT: PXM 4 -> APIC 0x0116 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0120 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0122 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0124 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0126 -> Node 4
[  +0.000000] SRAT: PXM 4 -> APIC 0x0128 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0130 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0132 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0134 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0136 -> Node 4
[  +0.000000] SRAT: PXM 5 -> APIC 0x0140 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0142 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0144 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0146 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0148 -> Node 5
[  +0.000000] SRAT: PXM 5 -> APIC 0x0150 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0152 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0154 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0156 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0160 -> Node 5
[  +0.000000] SRAT: PXM 5 -> APIC 0x0162 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0164 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0166 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0168 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0170 -> Node 5
[  +0.000000] SRAT: PXM 5 -> APIC 0x0172 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0174 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0176 -> Node 5
[  +0.000001] SRAT: PXM 6 -> APIC 0x0180 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0182 -> Node 6
[  +0.000000] SRAT: PXM 6 -> APIC 0x0184 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0186 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0188 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0190 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0192 -> Node 6
[  +0.000000] SRAT: PXM 6 -> APIC 0x0194 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0196 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01a0 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01a2 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01a4 -> Node 6
[  +0.000000] SRAT: PXM 6 -> APIC 0x01a6 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01a8 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01b0 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01b2 -> Node 6
[  +0.000000] SRAT: PXM 6 -> APIC 0x01b4 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01b6 -> Node 6
[  +0.000001] SRAT: PXM 7 -> APIC 0x01c0 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01c2 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01c4 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01c6 -> Node 7
[  +0.000000] SRAT: PXM 7 -> APIC 0x01c8 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01d0 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01d2 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01d4 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01d6 -> Node 7
[  +0.000000] SRAT: PXM 7 -> APIC 0x01e0 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e2 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e4 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e6 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e8 -> Node 7
[  +0.000000] SRAT: PXM 7 -> APIC 0x01f0 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01f2 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01f4 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01f6 -> Node 7
[  +0.000000] SRAT: PXM 0 -> APIC 0x0001 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0003 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0005 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0007 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0009 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0011 -> Node 0
[  +0.000000] SRAT: PXM 0 -> APIC 0x0013 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0015 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0017 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0021 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0023 -> Node 0
[  +0.000000] SRAT: PXM 0 -> APIC 0x0025 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0027 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0029 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0031 -> Node 0
[  +0.000000] SRAT: PXM 0 -> APIC 0x0033 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0035 -> Node 0
[  +0.000001] SRAT: PXM 0 -> APIC 0x0037 -> Node 0
[  +0.000001] SRAT: PXM 1 -> APIC 0x0041 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0043 -> Node 1
[  +0.000000] SRAT: PXM 1 -> APIC 0x0045 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0047 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0049 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0051 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0053 -> Node 1
[  +0.000000] SRAT: PXM 1 -> APIC 0x0055 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0057 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0061 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0063 -> Node 1
[  +0.000000] SRAT: PXM 1 -> APIC 0x0065 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0067 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0069 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0071 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0073 -> Node 1
[  +0.000000] SRAT: PXM 1 -> APIC 0x0075 -> Node 1
[  +0.000001] SRAT: PXM 1 -> APIC 0x0077 -> Node 1
[  +0.000001] SRAT: PXM 2 -> APIC 0x0081 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0083 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0085 -> Node 2
[  +0.000000] SRAT: PXM 2 -> APIC 0x0087 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0089 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0091 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0093 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x0095 -> Node 2
[  +0.000000] SRAT: PXM 2 -> APIC 0x0097 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00a1 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00a3 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00a5 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00a7 -> Node 2
[  +0.000000] SRAT: PXM 2 -> APIC 0x00a9 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00b1 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00b3 -> Node 2
[  +0.000001] SRAT: PXM 2 -> APIC 0x00b5 -> Node 2
[  +0.000000] SRAT: PXM 2 -> APIC 0x00b7 -> Node 2
[  +0.000001] SRAT: PXM 3 -> APIC 0x00c1 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00c3 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00c5 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00c7 -> Node 3
[  +0.000000] SRAT: PXM 3 -> APIC 0x00c9 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00d1 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00d3 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00d5 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00d7 -> Node 3
[  +0.000000] SRAT: PXM 3 -> APIC 0x00e1 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00e3 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00e5 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00e7 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00e9 -> Node 3
[  +0.000000] SRAT: PXM 3 -> APIC 0x00f1 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00f3 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00f5 -> Node 3
[  +0.000001] SRAT: PXM 3 -> APIC 0x00f7 -> Node 3
[  +0.000000] SRAT: PXM 4 -> APIC 0x0101 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0103 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0105 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0107 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0109 -> Node 4
[  +0.000000] SRAT: PXM 4 -> APIC 0x0111 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0113 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0115 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0117 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0121 -> Node 4
[  +0.000000] SRAT: PXM 4 -> APIC 0x0123 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0125 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0127 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0129 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0131 -> Node 4
[  +0.000000] SRAT: PXM 4 -> APIC 0x0133 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0135 -> Node 4
[  +0.000001] SRAT: PXM 4 -> APIC 0x0137 -> Node 4
[  +0.000001] SRAT: PXM 5 -> APIC 0x0141 -> Node 5
[  +0.000000] SRAT: PXM 5 -> APIC 0x0143 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0145 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0147 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0149 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0151 -> Node 5
[  +0.000000] SRAT: PXM 5 -> APIC 0x0153 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0155 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0157 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0161 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0163 -> Node 5
[  +0.000000] SRAT: PXM 5 -> APIC 0x0165 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0167 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0169 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0171 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0173 -> Node 5
[  +0.000000] SRAT: PXM 5 -> APIC 0x0175 -> Node 5
[  +0.000001] SRAT: PXM 5 -> APIC 0x0177 -> Node 5
[  +0.000001] SRAT: PXM 6 -> APIC 0x0181 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0183 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0185 -> Node 6
[  +0.000000] SRAT: PXM 6 -> APIC 0x0187 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0189 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0191 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0193 -> Node 6
[  +0.000000] SRAT: PXM 6 -> APIC 0x0195 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x0197 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01a1 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01a3 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01a5 -> Node 6
[  +0.000000] SRAT: PXM 6 -> APIC 0x01a7 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01a9 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01b1 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01b3 -> Node 6
[  +0.000001] SRAT: PXM 6 -> APIC 0x01b5 -> Node 6
[  +0.000000] SRAT: PXM 6 -> APIC 0x01b7 -> Node 6
[  +0.000001] SRAT: PXM 7 -> APIC 0x01c1 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01c3 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01c5 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01c7 -> Node 7
[  +0.000000] SRAT: PXM 7 -> APIC 0x01c9 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01d1 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01d3 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01d5 -> Node 7
[  +0.000000] SRAT: PXM 7 -> APIC 0x01d7 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e1 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e3 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e5 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e7 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01e9 -> Node 7
[  +0.000000] SRAT: PXM 7 -> APIC 0x01f1 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01f3 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01f5 -> Node 7
[  +0.000001] SRAT: PXM 7 -> APIC 0x01f7 -> Node 7
[  +0.000037] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x7fffffff]
[  +0.000001] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0xfffffffff]
[  +0.000001] ACPI: SRAT: Node 0 PXM 0 [mem 0xff80000000-0xffffffffff]
[  +0.000001] ACPI: SRAT: Node 1 PXM 1 [mem 0x10000000000-0x1ffffffffff] hotplug
[  +0.000002] ACPI: SRAT: Node 2 PXM 2 [mem 0x80000000000-0x8ffffffffff] hotplug
[  +0.000001] ACPI: SRAT: Node 3 PXM 3 [mem 0x90000000000-0x9ffffffffff] hotplug
[  +0.000001] ACPI: SRAT: Node 4 PXM 4 [mem 0x100000000000-0x10ffffffffff] hotplug
[  +0.000002] ACPI: SRAT: Node 5 PXM 5 [mem 0x110000000000-0x11ffffffffff] hotplug
[  +0.000001] ACPI: SRAT: Node 6 PXM 6 [mem 0x180000000000-0x18ffffffffff] hotplug
[  +0.000001] ACPI: SRAT: Node 7 PXM 7 [mem 0x190000000000-0x19ffffffffff] hotplug
[  +0.000010] NUMA: Initialized distance table, cnt=8
[  +0.000004] NUMA: Node 0 [mem 0x00000000-0x7fffffff] + [mem 0x100000000-0xfffffffff] -> [mem 0x00000000-0xfffffffff]
[  +0.000001] NUMA: Node 0 [mem 0x00000000-0xfffffffff] + [mem 0xff80000000-0xffffffffff] -> [mem 0x00000000-0xffffffffff]
[  +0.000013] NODE_DATA(0) allocated [mem 0xfffffd6000-0xffffffffff]
[  +0.000079] NODE_DATA(1) allocated [mem 0xfffffac000-0xfffffd5fff]
[  +0.000001]     NODE_DATA(1) on node 0
[  +0.000079] NODE_DATA(2) allocated [mem 0xfffff82000-0xfffffabfff]
[  +0.000001]     NODE_DATA(2) on node 0
[  +0.000079] NODE_DATA(3) allocated [mem 0xfffff58000-0xfffff81fff]
[  +0.000000]     NODE_DATA(3) on node 0
[  +0.000079] NODE_DATA(4) allocated [mem 0xfffff2e000-0xfffff57fff]
[  +0.000000]     NODE_DATA(4) on node 0
[  +0.000079] NODE_DATA(5) allocated [mem 0xfffff04000-0xfffff2dfff]
[  +0.000001]     NODE_DATA(5) on node 0
[  +0.000079] NODE_DATA(6) allocated [mem 0xffffeda000-0xfffff03fff]
[  +0.000000]     NODE_DATA(6) on node 0
[  +0.000079] NODE_DATA(7) allocated [mem 0xffffeb0000-0xffffed9fff]
[  +0.000001]     NODE_DATA(7) on node 0
[  +0.000162] crashkernel: memory value expected
[  +0.005320] Zone ranges:
[  +0.000001]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[  +0.000002]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
[  +0.000001]   Normal   [mem 0x0000000100000000-0x0000190fffffffff]
[  +0.000001]   Device   empty
[  +0.000001] Movable zone start for each node
[  +0.000001]   Node 1: 0x0000010000000000
[  +0.000001]   Node 2: 0x0000080000000000
[  +0.000001]   Node 3: 0x0000090000000000
[  +0.000001]   Node 4: 0x0000100000000000
[  +0.000000]   Node 5: 0x0000110000000000
[  +0.000001]   Node 6: 0x0000180000000000
[  +0.000001]   Node 7: 0x0000190000000000
[  +0.000004] Early memory node ranges
[  +0.000001]   node   0: [mem 0x0000000000001000-0x000000000009ffff]
[  +0.000001]   node   0: [mem 0x0000000000100000-0x0000000041a2dfff]
[  +0.000001]   node   0: [mem 0x0000000041a2f000-0x000000004f22efff]
[  +0.000001]   node   0: [mem 0x000000005b87f000-0x000000006d265fff]
[  +0.000001]   node   0: [mem 0x000000006d2ec000-0x000000006fffffff]
[  +0.000001]   node   0: [mem 0x0000000100000000-0x0000000fffffffff]
[  +0.000000]   node   0: [mem 0x000000ff80000000-0x000000ffffffffff]
[  +0.000001]   node   1: [mem 0x0000010000000000-0x0000010fffffffff]
[  +0.000001]   node   2: [mem 0x0000080000000000-0x0000080fffffffff]
[  +0.000001]   node   3: [mem 0x0000090000000000-0x0000090fffffffff]
[  +0.000001]   node   4: [mem 0x0000100000000000-0x0000100fffffffff]
[  +0.000001]   node   5: [mem 0x0000110000000000-0x0000110fffffffff]
[  +0.000001]   node   6: [mem 0x0000180000000000-0x0000180fffffffff]
[  +0.000000]   node   7: [mem 0x0000190000000000-0x0000190fffffffff]
[  +3.253257] Zeroed struct page in unavailable ranges: 117458744 pages
[  +0.000003] Initmem setup node 0 [mem 0x0000000000001000-0x000000ffffffffff]
[  +0.000004] On node 0 totalpages: 16660680
[  +0.000002]   DMA zone: 64 pages used for memmap
[  +0.000001]   DMA zone: 24 pages reserved
[  +0.000001]   DMA zone: 3999 pages, LIFO batch:0
[  +0.000228]   DMA32 zone: 6309 pages used for memmap
[  +0.000001]   DMA32 zone: 403753 pages, LIFO batch:63
[  +0.015853]   Normal zone: 253952 pages used for memmap
[  +0.000001]   Normal zone: 16252928 pages, LIFO batch:63
[  +0.001068] Initmem setup node 1 [mem 0x0000010000000000-0x0000010fffffffff]
[  +0.000002] On node 1 totalpages: 16777216
[  +0.000001]   Movable zone: 262144 pages used for memmap
[  +0.000001]   Movable zone: 16777216 pages, LIFO batch:63
[  +0.000923] Initmem setup node 2 [mem 0x0000080000000000-0x0000080fffffffff]
[  +0.000002] On node 2 totalpages: 16777216
[  +0.000000]   Movable zone: 262144 pages used for memmap
[  +0.000001]   Movable zone: 16777216 pages, LIFO batch:63
[  +0.000916] Initmem setup node 3 [mem 0x0000090000000000-0x0000090fffffffff]
[  +0.000002] On node 3 totalpages: 16777216
[  +0.000001]   Movable zone: 262144 pages used for memmap
[  +0.000000]   Movable zone: 16777216 pages, LIFO batch:63
[  +0.000923] Initmem setup node 4 [mem 0x0000100000000000-0x0000100fffffffff]
[  +0.000002] On node 4 totalpages: 16777216
[  +0.000001]   Movable zone: 262144 pages used for memmap
[  +0.000000]   Movable zone: 16777216 pages, LIFO batch:63
[  +0.000921] Initmem setup node 5 [mem 0x0000110000000000-0x0000110fffffffff]
[  +0.000002] On node 5 totalpages: 16777216
[  +0.000001]   Movable zone: 262144 pages used for memmap
[  +0.000000]   Movable zone: 16777216 pages, LIFO batch:63
[  +0.000900] Initmem setup node 6 [mem 0x0000180000000000-0x0000180fffffffff]
[  +0.000002] On node 6 totalpages: 16777216
[  +0.000001]   Movable zone: 262144 pages used for memmap
[  +0.000001]   Movable zone: 16777216 pages, LIFO batch:63
[  +0.000912] Initmem setup node 7 [mem 0x0000190000000000-0x0000190fffffffff]
[  +0.000002] On node 7 totalpages: 16777216
[  +0.000001]   Movable zone: 262144 pages used for memmap
[  +0.000000]   Movable zone: 16777216 pages, LIFO batch:63
[  +0.001034] ACPI: PM-Timer IO Port: 0x408
[  +0.000003] ACPI: Local APIC address 0xfee00000
[  +0.000087] ACPI: X2APIC_NMI (uid[0x00] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x08] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x10] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x18] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x20] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x04] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x0c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x14] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x1c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x02] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x0a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x12] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x1a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x22] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x06] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x0e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x16] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x1e] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x30] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x38] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x40] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x48] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x50] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x34] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x3c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x44] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x4c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x32] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x3a] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x42] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x4a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x52] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x36] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x3e] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x46] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x4e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x60] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x68] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x70] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x78] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x80] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x64] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x6c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x74] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x7c] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x62] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x6a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x72] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x7a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x82] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x66] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x6e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x76] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x7e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x90] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x98] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xa0] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xa8] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xb0] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x94] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x9c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xa4] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xac] high edge lint[0x1])
[  +0.000002] ACPI: X2APIC_NMI (uid[0x92] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x9a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xa2] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xaa] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xb2] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x96] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x9e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xa6] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xae] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xc0] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xc8] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xd0] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xd8] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xe0] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xc4] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xcc] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xd4] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xdc] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xc2] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xca] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xd2] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xda] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xe2] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xc6] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xce] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xd6] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xde] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xf0] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xf8] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x100] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x108] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x110] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xf4] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xfc] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x104] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x10c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xf2] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xfa] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x102] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x10a] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x112] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xf6] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xfe] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x106] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x10e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x120] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x128] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x130] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x138] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x140] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x124] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x12c] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x134] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x13c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x122] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x12a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x132] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x13a] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x142] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x126] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x12e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x136] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x13e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x150] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x158] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x160] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x168] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x170] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x154] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x15c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x164] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x16c] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x152] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x15a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x162] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x16a] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x172] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x156] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x15e] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x166] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x16e] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x01] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x09] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x11] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x19] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x21] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x05] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x0d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x15] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x1d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x03] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x0b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x13] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x1b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x23] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x07] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x0f] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x17] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x1f] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x31] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x39] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x41] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x49] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x51] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x35] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x3d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x45] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x4d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x33] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x3b] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x43] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x4b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x53] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x37] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x3f] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x47] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x4f] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x61] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x69] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x71] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x79] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x81] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x65] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x6d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x75] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x7d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x63] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x6b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x73] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x7b] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x83] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x67] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x6f] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x77] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x7f] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x91] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x99] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xa1] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xa9] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xb1] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x95] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x9d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xa5] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xad] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x93] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x9b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xa3] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xab] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xb3] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x97] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x9f] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xa7] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xaf] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xc1] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xc9] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xd1] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xd9] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xe1] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xc5] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xcd] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xd5] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xdd] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xc3] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xcb] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xd3] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xdb] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xe3] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xc7] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xcf] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xd7] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xdf] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xf1] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xf9] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x101] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x109] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x111] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xf5] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0xfd] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x105] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x10d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xf3] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xfb] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x103] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x10b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x113] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xf7] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0xff] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x107] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x10f] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x121] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x129] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x131] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x139] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x141] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x125] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x12d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x135] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x13d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x123] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x12b] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x133] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x13b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x143] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x127] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x12f] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x137] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x13f] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x151] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x159] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x161] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x169] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x171] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x155] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x15d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x165] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x16d] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x153] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x15b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x163] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x16b] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x173] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x157] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x15f] high edge lint[0x1])
[  +0.000000] ACPI: X2APIC_NMI (uid[0x167] high edge lint[0x1])
[  +0.000001] ACPI: X2APIC_NMI (uid[0x16f] high edge lint[0x1])
[  +0.000029] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
[  +0.000007] IOAPIC[1]: apic_id 1, version 32, address 0xfec01000, GSI 24-47
[  +0.000007] IOAPIC[2]: apic_id 2, version 32, address 0xfec08000, GSI 48-71
[  +0.000007] IOAPIC[3]: apic_id 3, version 32, address 0xfec10000, GSI 72-95
[  +0.000008] IOAPIC[4]: apic_id 4, version 32, address 0xfec18000, GSI 96-119
[  +0.000007] IOAPIC[5]: apic_id 5, version 32, address 0xfec20000, GSI 120-143
[  +0.000006] IOAPIC[6]: apic_id 6, version 32, address 0xfec28000, GSI 144-167
[  +0.000008] IOAPIC[7]: apic_id 7, version 32, address 0xfec30000, GSI 168-191
[  +0.000007] IOAPIC[8]: apic_id 8, version 32, address 0xfec38000, GSI 192-215
[  +0.000010] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[  +0.000002] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[  +0.000003] ACPI: IRQ0 used by override.
[  +0.000001] ACPI: IRQ9 used by override.
[  +0.000009] Using ACPI (MADT) for SMP configuration information
[  +0.000002] ACPI: HPET id: 0x8086a701 base: 0xfed00000
[  +0.000006] smpboot: Allowing 288 CPUs, 0 hotplug CPUs
[  +0.000035] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
[  +0.000002] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff]
[  +0.000001] PM: Registered nosave memory: [mem 0x28bc5000-0x28bc5fff]
[  +0.000002] PM: Registered nosave memory: [mem 0x28bdf000-0x28bdffff]
[  +0.000002] PM: Registered nosave memory: [mem 0x41a2e000-0x41a2efff]
[  +0.000002] PM: Registered nosave memory: [mem 0x4f22f000-0x5122efff]
[  +0.000001] PM: Registered nosave memory: [mem 0x5122f000-0x5147efff]
[  +0.000000] PM: Registered nosave memory: [mem 0x5147f000-0x5947efff]
[  +0.000001] PM: Registered nosave memory: [mem 0x5947f000-0x5b87efff]
[  +0.000002] PM: Registered nosave memory: [mem 0x6d266000-0x6d2ebfff]
[  +0.000002] PM: Registered nosave memory: [mem 0x70000000-0x8fffffff]
[  +0.000001] PM: Registered nosave memory: [mem 0x90000000-0xfed1bfff]
[  +0.000001] PM: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff]
[  +0.000000] PM: Registered nosave memory: [mem 0xfed20000-0xfeffffff]
[  +0.000001] PM: Registered nosave memory: [mem 0xff000000-0xffffffff]
[  +0.000002] PM: Registered nosave memory: [mem 0x1000000000-0xff7fffffff]
[  +0.000002] PM: Registered nosave memory: [mem 0x11000000000-0x7ffffffffff]
[  +0.000002] PM: Registered nosave memory: [mem 0x81000000000-0x8ffffffffff]
[  +0.000002] PM: Registered nosave memory: [mem 0x91000000000-0xfffffffffff]
[  +0.000002] PM: Registered nosave memory: [mem 0x101000000000-0x10ffffffffff]
[  +0.000002] PM: Registered nosave memory: [mem 0x111000000000-0x17ffffffffff]
[  +0.000002] PM: Registered nosave memory: [mem 0x181000000000-0x18ffffffffff]
[  +0.000002] [mem 0x90000000-0xfed1bfff] available for PCI devices
[  +0.000002] Booting paravirtualized kernel on bare hardware
[  +0.000004] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
[  +0.112298] random: get_random_bytes called from start_kernel+0x8f/0x510 with crng_init=0
[  +0.000008] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:288 nr_cpu_ids:288 nr_node_ids:8
[  +0.049374] percpu: Embedded 46 pages/cpu @(____ptrval____) s151552 r8192 d28672 u262144
[  +0.000022] pcpu-alloc: s151552 r8192 d28672 u262144 alloc=1*2097152
[  +0.000001] pcpu-alloc: [0] 000 001 002 003 004 005 006 007 
[  +0.000002] pcpu-alloc: [0] 008 009 010 011 012 013 014 015 
[  +0.000002] pcpu-alloc: [0] 016 017 144 145 146 147 148 149 
[  +0.000002] pcpu-alloc: [0] 150 151 152 153 154 155 156 157 
[  +0.000002] pcpu-alloc: [0] 158 159 160 161 --- --- --- --- 
[  +0.000002] pcpu-alloc: [1] 018 019 020 021 022 023 024 025 
[  +0.000002] pcpu-alloc: [1] 026 027 028 029 030 031 032 033 
[  +0.000002] pcpu-alloc: [1] 034 035 162 163 164 165 166 167 
[  +0.000002] pcpu-alloc: [1] 168 169 170 171 172 173 174 175 
[  +0.000002] pcpu-alloc: [1] 176 177 178 179 --- --- --- --- 
[  +0.000001] pcpu-alloc: [2] 036 037 038 039 040 041 042 043 
[  +0.000002] pcpu-alloc: [2] 044 045 046 047 048 049 050 051 
[  +0.000002] pcpu-alloc: [2] 052 053 180 181 182 183 184 185 
[  +0.000002] pcpu-alloc: [2] 186 187 188 189 190 191 192 193 
[  +0.000001] pcpu-alloc: [2] 194 195 196 197 --- --- --- --- 
[  +0.000002] pcpu-alloc: [3] 054 055 056 057 058 059 060 061 
[  +0.000002] pcpu-alloc: [3] 062 063 064 065 066 067 068 069 
[  +0.000001] pcpu-alloc: [3] 070 071 198 199 200 201 202 203 
[  +0.000002] pcpu-alloc: [3] 204 205 206 207 208 209 210 211 
[  +0.000002] pcpu-alloc: [3] 212 213 214 215 --- --- --- --- 
[  +0.000002] pcpu-alloc: [4] 072 073 074 075 076 077 078 079 
[  +0.000001] pcpu-alloc: [4] 080 081 082 083 084 085 086 087 
[  +0.000002] pcpu-alloc: [4] 088 089 216 217 218 219 220 221 
[  +0.000002] pcpu-alloc: [4] 222 223 224 225 226 227 228 229 
[  +0.000001] pcpu-alloc: [4] 230 231 232 233 --- --- --- --- 
[  +0.000002] pcpu-alloc: [5] 090 091 092 093 094 095 096 097 
[  +0.000002] pcpu-alloc: [5] 098 099 100 101 102 103 104 105 
[  +0.000002] pcpu-alloc: [5] 106 107 234 235 236 237 238 239 
[  +0.000001] pcpu-alloc: [5] 240 241 242 243 244 245 246 247 
[  +0.000002] pcpu-alloc: [5] 248 249 250 251 --- --- --- --- 
[  +0.000002] pcpu-alloc: [6] 108 109 110 111 112 113 114 115 
[  +0.000001] pcpu-alloc: [6] 116 117 118 119 120 121 122 123 
[  +0.000002] pcpu-alloc: [6] 124 125 252 253 254 255 256 257 
[  +0.000002] pcpu-alloc: [6] 258 259 260 261 262 263 264 265 
[  +0.000002] pcpu-alloc: [6] 266 267 268 269 --- --- --- --- 
[  +0.000001] pcpu-alloc: [7] 126 127 128 129 130 131 132 133 
[  +0.000002] pcpu-alloc: [7] 134 135 136 137 138 139 140 141 
[  +0.000002] pcpu-alloc: [7] 142 143 270 271 272 273 274 275 
[  +0.000002] pcpu-alloc: [7] 276 277 278 279 280 281 282 283 
[  +0.000002] pcpu-alloc: [7] 284 285 286 287 --- --- --- --- 
[  +0.000107] Built 8 zonelists, mobility grouping on.  Total pages: 132005835
[  +0.000002] Policy zone: Normal
...

[  +0.204580] Memory: 2325688K/536404768K available (12293K kernel code, 2027K rwdata, 3776K rodata, 2184K init, 6636K bss, 8797012K reserved, 0K cma-reserved)
[  +0.001683] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=288, Nodes=8
[  +0.000052] Kernel/User page tables isolation: enabled
[  +0.000426] ftrace: allocating 35377 entries in 139 pages
[  +0.021237] rcu: Hierarchical RCU implementation.
[  +0.000002] rcu: 	RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=288.
[  +0.000002] rcu: RCU calculated value of scheduler-enlistment delay is 101 jiffies.
[  +0.000001] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=288
[  +0.003214] NR_IRQS: 524544, nr_irqs: 5992, preallocated irqs: 16
[  +0.001105] Console: colour dummy device 80x25
[Nov13 20:39] printk: console [ttyS0] enabled
[  +0.005001] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[  +0.011182] ACPI: Core revision 20181003
[  +0.005805] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns
[  +0.009097] hpet clockevent registered
......

[Nov13 20:50] perf: interrupt took too long (2574 > 2500), lowering kernel.perf_event_max_sample_rate to 77000
[ +20.272777] perf: interrupt took too long (3314 > 3217), lowering kernel.perf_event_max_sample_rate to 60000
[Nov13 20:51] perf: interrupt took too long (4321 > 4142), lowering kernel.perf_event_max_sample_rate to 46000
[ +45.906576] perf: interrupt took too long (5647 > 5401), lowering kernel.perf_event_max_sample_rate to 35000
[Nov13 20:52] Offlined Pages 524288
[  +0.574439] Offlined Pages 524288
[  +0.593419] Offlined Pages 524288
[  +0.500564] Offlined Pages 524288
[  +0.553186] Offlined Pages 524288
[  +0.477400] Offlined Pages 524288
[  +0.520972] Offlined Pages 524288
[  +0.463266] Offlined Pages 524288
[  +0.473460] perf: interrupt took too long (7185 > 7058), lowering kernel.perf_event_max_sample_rate to 27000
[  +0.032534] Offlined Pages 524288
[  +0.444235] Offlined Pages 524288
[  +0.518495] Offlined Pages 524288
[  +0.487940] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 1.716 msecs
[  +0.008121] perf: interrupt took too long (18018 > 8981), lowering kernel.perf_event_max_sample_rate to 11000
[  +0.006241] Offlined Pages 524288
[  +0.558948] Offlined Pages 524288
[  +0.438755] Offlined Pages 524288
[  +0.469419] Offlined Pages 524288
[  +0.509457] Offlined Pages 524288
[  +0.750845] Offlined Pages 524288
[  +0.899944] Offlined Pages 524288
[  +0.522106] Offlined Pages 524288
[  +0.526590] Offlined Pages 524288
[  +0.496809] Offlined Pages 524288
[  +0.568061] Offlined Pages 524288
[  +0.476875] Offlined Pages 524288
[  +0.544439] Offlined Pages 524288
[  +0.474484] Offlined Pages 524288
[  +0.525214] Offlined Pages 524288
[  +0.672724] Offlined Pages 524288
[  +0.546363] Offlined Pages 524288
[  +0.706927] Offlined Pages 524288
[  +0.777087] Offlined Pages 524288
[  +1.891640] Offlined Pages 524288
[Nov13 20:53] INFO: NMI handler (ghes_notify_nmi) took too long to run: 2.157 msecs
[  +5.052582] Offlined Pages 524288
[  +0.073194] Built 8 zonelists, mobility grouping on.  Total pages: 114952219
[  +0.007203] Policy zone: Normal
[Nov13 20:54] Offlined Pages 524288
[ +13.581974] Offlined Pages 524288
[ +10.806998] Offlined Pages 524288
[  +6.455132] Offlined Pages 524288
[  +4.448912] Offlined Pages 524288
[  +4.878278] Offlined Pages 524288
[  +5.778869] Offlined Pages 524288
[  +7.543838] Offlined Pages 524288
[Nov13 20:55] Offlined Pages 524288
[  +6.399930] Offlined Pages 524288
[  +7.095958] Offlined Pages 524288
[  +4.553672] Offlined Pages 524288
[  +6.662938] Offlined Pages 524288
[  +4.527867] Offlined Pages 524288
[  +4.299780] Offlined Pages 524288
[  +2.716266] Offlined Pages 524288
[  +2.477986] Offlined Pages 524288
[  +4.372535] Offlined Pages 524288
[  +1.821682] Offlined Pages 524288
[  +3.036448] Offlined Pages 524288
[  +1.807979] Offlined Pages 524288
[  +1.846016] Offlined Pages 524288
[  +1.672556] Offlined Pages 524288
[  +1.834171] Offlined Pages 524288
[Nov13 20:56] Offlined Pages 524288
[  +2.195826] Offlined Pages 524288
[  +3.364334] Offlined Pages 524288
[  +8.256705] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.091 msecs
[  +0.008100] perf: interrupt took too long (25461 > 22522), lowering kernel.perf_event_max_sample_rate to 7000
[  +3.797401] Offlined Pages 524288
[Nov13 20:58] Offlined Pages 524288
[ +34.185985] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.101 msecs
[Nov13 21:00] Offlined Pages 524288
[Nov13 21:01] INFO: NMI handler (ghes_notify_nmi) took too long to run: 2.198 msecs
[Nov13 21:02] Offlined Pages 524288
[Nov13 21:03] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.108 msecs
[Nov13 21:04] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.193 msecs
[Nov13 21:05] INFO: task kworker/181:1:1187 blocked for more than 120 seconds.
[  +0.007169]       Not tainted 4.20.0-rc2+ #4
[  +0.004630] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.008001] kworker/181:1   D    0  1187      2 0x80000000
[  +0.005711] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006467] Call Trace:
[  +0.002591]  ? __schedule+0x24e/0x880
[  +0.004995]  schedule+0x28/0x80
[  +0.003380]  rwsem_down_read_failed+0x103/0x190
[  +0.006528]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004937]  __percpu_down_read+0x4f/0x80
[  +0.004204]  get_online_mems+0x2d/0x30
[  +0.003871]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004740]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.004986]  process_one_work+0x1a1/0x3a0
[  +0.004255]  worker_thread+0x30/0x380
[  +0.003764]  ? drain_workqueue+0x120/0x120
[  +0.004238]  kthread+0x112/0x130
[  +0.003320]  ? kthread_park+0x80/0x80
[  +0.003796]  ret_from_fork+0x35/0x40
[  +0.003707] INFO: task kworker/183:1:1189 blocked for more than 120 seconds.
[  +0.007124]       Not tainted 4.20.0-rc2+ #4
[  +0.004363] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.009522] kworker/183:1   D    0  1189      2 0x80000000
[  +0.005640] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006512] Call Trace:
[  +0.002675]  ? __schedule+0x24e/0x880
[  +0.003862]  schedule+0x28/0x80
[  +0.003351]  rwsem_down_read_failed+0x103/0x190
[  +0.004714]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004985]  __percpu_down_read+0x4f/0x80
[  +0.004177]  get_online_mems+0x2d/0x30
[  +0.003886]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004660]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.005050]  process_one_work+0x1a1/0x3a0
[  +0.004175]  worker_thread+0x30/0x380
[  +0.005972]  ? drain_workqueue+0x120/0x120
[  +0.004206]  kthread+0x112/0x130
[  +0.003387]  ? kthread_park+0x80/0x80
[  +0.003821]  ret_from_fork+0x35/0x40
[  +0.003727] INFO: task kworker/188:1:1194 blocked for more than 120 seconds.
[  +0.007136]       Not tainted 4.20.0-rc2+ #4
[  +0.004378] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.007909] kworker/188:1   D    0  1194      2 0x80000000
[  +0.005626] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006464] Call Trace:
[  +0.002563]  ? __schedule+0x24e/0x880
[  +0.003765]  schedule+0x28/0x80
[  +0.008841]  rwsem_down_read_failed+0x103/0x190
[  +0.004669]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004857]  __percpu_down_read+0x4f/0x80
[  +0.004130]  get_online_mems+0x2d/0x30
[  +0.003839]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004599]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.005010]  process_one_work+0x1a1/0x3a0
[  +0.004144]  worker_thread+0x30/0x380
[  +0.003728]  ? drain_workqueue+0x120/0x120
[  +0.004288]  kthread+0x112/0x130
[  +0.003421]  ? kthread_park+0x80/0x80
[  +0.003819]  ret_from_fork+0x35/0x40
[  +0.004499] INFO: task kworker/204:1:1672 blocked for more than 120 seconds.
[  +0.007121]       Not tainted 4.20.0-rc2+ #4
[  +0.005935] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.007887] kworker/204:1   D    0  1672      2 0x80000000
[  +0.005691] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006437] Call Trace:
[  +0.002575]  ? __schedule+0x24e/0x880
[  +0.003773]  schedule+0x28/0x80
[  +0.003335]  rwsem_down_read_failed+0x103/0x190
[  +0.004580]  call_rwsem_down_read_failed+0x14/0x30
[  +0.005135]  __percpu_down_read+0x4f/0x80
[  +0.004215]  get_online_mems+0x2d/0x30
[  +0.003912]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004713]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.005067]  process_one_work+0x1a1/0x3a0
[  +0.005878]  worker_thread+0x30/0x380
[  +0.003923]  ? drain_workqueue+0x120/0x120
[  +0.004298]  kthread+0x112/0x130
[  +0.003479]  ? kthread_park+0x80/0x80
[  +0.003834]  ret_from_fork+0x35/0x40
[  +0.003743] INFO: task kworker/215:1:1679 blocked for more than 120 seconds.
[  +0.007222]       Not tainted 4.20.0-rc2+ #4
[  +0.004411] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.007957] kworker/215:1   D    0  1679      2 0x80000000
[  +0.005676] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006514] Call Trace:
[  +0.002544]  ? __schedule+0x24e/0x880
[  +0.003836]  schedule+0x28/0x80
[  +0.005306]  rwsem_down_read_failed+0x103/0x190
[  +0.004652]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004966]  __percpu_down_read+0x4f/0x80
[  +0.004170]  get_online_mems+0x2d/0x30
[  +0.003940]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004586]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.005051]  process_one_work+0x1a1/0x3a0
[  +0.004122]  worker_thread+0x30/0x380
[  +0.003850]  ? drain_workqueue+0x120/0x120
[  +0.004260]  kthread+0x112/0x130
[  +0.003462]  ? kthread_park+0x80/0x80
[  +0.003843]  ret_from_fork+0x35/0x40
[Nov13 21:07] perf: interrupt took too long (34033 > 31826), lowering kernel.perf_event_max_sample_rate to 5000
[ +15.568475] INFO: task kworker/181:1:1187 blocked for more than 120 seconds.
[  +0.007070]       Not tainted 4.20.0-rc2+ #4
[  +0.004302] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.007962] kworker/181:1   D    0  1187      2 0x80000000
[  +0.005563] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006391] Call Trace:
[  +0.002541]  ? __schedule+0x24e/0x880
[  +0.003706]  schedule+0x28/0x80
[  +0.003186]  rwsem_down_read_failed+0x103/0x190
[  +0.006117]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004882]  __percpu_down_read+0x4f/0x80
[  +0.004101]  get_online_mems+0x2d/0x30
[  +0.003809]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004585]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.004967]  process_one_work+0x1a1/0x3a0
[  +0.004058]  worker_thread+0x30/0x380
[  +0.003693]  ? drain_workqueue+0x120/0x120
[  +0.004139]  kthread+0x112/0x130
[  +0.003262]  ? kthread_park+0x80/0x80
[  +0.006287]  ret_from_fork+0x35/0x40
[  +0.003654] INFO: task kworker/183:1:1189 blocked for more than 120 seconds.
[  +0.007101]       Not tainted 4.20.0-rc2+ #4
[  +0.004300] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.009789] kworker/183:1   D    0  1189      2 0x80000000
[  +0.005572] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006420] Call Trace:
[  +0.002515]  ? __schedule+0x24e/0x880
[  +0.005508]  schedule+0x28/0x80
[  +0.003220]  rwsem_down_read_failed+0x103/0x190
[  +0.004620]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004852]  __percpu_down_read+0x4f/0x80
[  +0.004080]  get_online_mems+0x2d/0x30
[  +0.003820]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004593]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.004985]  process_one_work+0x1a1/0x3a0
[  +0.004082]  worker_thread+0x30/0x380
[  +0.007119]  ? drain_workqueue+0x120/0x120
[  +0.004147]  kthread+0x112/0x130
[  +0.003268]  ? kthread_park+0x80/0x80
[  +0.003708]  ret_from_fork+0x35/0x40
[  +0.003619] INFO: task kworker/188:1:1194 blocked for more than 120 seconds.
[  +0.007080]       Not tainted 4.20.0-rc2+ #4
[  +0.004300] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.007845] kworker/188:1   D    0  1194      2 0x80000000
[  +0.005542] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006379] Call Trace:
[  +0.002558]  ? __schedule+0x24e/0x880
[  +0.003700]  schedule+0x28/0x80
[  +0.003188]  rwsem_down_read_failed+0x103/0x190
[  +0.006625]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004868]  __percpu_down_read+0x4f/0x80
[  +0.004059]  get_online_mems+0x2d/0x30
[  +0.003813]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004621]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.004991]  process_one_work+0x1a1/0x3a0
[  +0.004071]  worker_thread+0x30/0x380
[  +0.003702]  ? drain_workqueue+0x120/0x120
[  +0.004142]  kthread+0x112/0x130
[  +0.003284]  ? kthread_park+0x80/0x80
[  +0.003714]  ret_from_fork+0x35/0x40
[  +0.005858] INFO: task kworker/204:1:1672 blocked for more than 120 seconds.
[  +0.007068]       Not tainted 4.20.0-rc2+ #4
[  +0.006282] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.007839] kworker/204:1   D    0  1672      2 0x80000000
[  +0.005583] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006410] Call Trace:
[  +0.002544]  ? __schedule+0x24e/0x880
[  +0.003795]  schedule+0x28/0x80
[  +0.003191]  rwsem_down_read_failed+0x103/0x190
[  +0.004608]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004856]  __percpu_down_read+0x4f/0x80
[  +0.004058]  get_online_mems+0x2d/0x30
[  +0.003793]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004601]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.004928]  process_one_work+0x1a1/0x3a0
[  +0.006197]  worker_thread+0x30/0x380
[  +0.003709]  ? drain_workqueue+0x120/0x120
[  +0.004137]  kthread+0x112/0x130
[  +0.003287]  ? kthread_park+0x80/0x80
[  +0.003716]  ret_from_fork+0x35/0x40
[  +0.003674] INFO: task kworker/215:1:1679 blocked for more than 120 seconds.
[  +0.007096]       Not tainted 4.20.0-rc2+ #4
[  +0.004312] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  +0.007836] kworker/215:1   D    0  1679      2 0x80000000
[  +0.005555] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[  +0.006370] Call Trace:
[  +0.002503]  ? __schedule+0x24e/0x880
[  +0.003692]  schedule+0x28/0x80
[  +0.003180]  rwsem_down_read_failed+0x103/0x190
[  +0.006669]  call_rwsem_down_read_failed+0x14/0x30
[  +0.004854]  __percpu_down_read+0x4f/0x80
[  +0.004067]  get_online_mems+0x2d/0x30
[  +0.003784]  memcg_create_kmem_cache+0x1b/0x120
[  +0.004586]  memcg_kmem_cache_create_func+0x1b/0x60
[  +0.004969]  process_one_work+0x1a1/0x3a0
[  +0.004068]  worker_thread+0x30/0x380
[  +0.003727]  ? drain_workqueue+0x120/0x120
[  +0.004147]  kthread+0x112/0x130
[  +0.003257]  ? kthread_park+0x80/0x80
[  +0.003704]  ret_from_fork+0x35/0x40
[Nov13 21:08] INFO: NMI handler (ghes_notify_nmi) took too long to run: 2.284 msecs
[Nov13 21:13] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.220 msecs
[Nov13 21:15] perf: interrupt took too long (43043 > 42541), lowering kernel.perf_event_max_sample_rate to 4000
[Nov13 21:18] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.230 msecs
[ +21.096246] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.253 msecs
[Nov13 21:25] sysrq: SysRq : Show State
[  +0.003680]   task                        PC stack   pid father
[  +0.007945] systemd         S    0     1      0 0x00000000
[  +0.005495] Call Trace:
[  +0.002516]  ? __schedule+0x24e/0x880
[  +0.003686]  schedule+0x28/0x80
[  +0.003154]  schedule_hrtimeout_range_clock+0x18d/0x1a0
[  +0.005259]  ? ep_scan_ready_list.constprop.21+0x1f0/0x220
[  +0.005490]  ep_poll+0x3b7/0x3f0
[  +0.003258]  ? wake_up_q+0x70/0x70
[  +0.003406]  do_epoll_wait+0xb0/0xd0
[  +0.003588]  __x64_sys_epoll_wait+0x1a/0x20
[  +0.004216]  do_syscall_64+0x55/0x1a0
[  +0.003680]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  +0.005065] RIP: 0033:0x7f12d9099cc7
[  +0.003596] Code: Bad RIP value.
[  +0.003240] RSP: 002b:00007ffd5e90fca0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
[  +0.009502] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12d9099cc7
[  +0.007123] RDX: 0000000000000043 RSI: 00007ffd5e90fce0 RDI: 0000000000000004
[  +0.007128] RBP: 00007ffd5e90fce0 R08: 0000000000000000 R09: 7465677261742e79
[  +0.007130] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000043
[  +0.007131] R13: 00000000ffffffff R14: 00007ffd5e90fce0 R15: 0000000000000001
[  +0.007328] kthreadd        S    0     2      0 0x80000000
[  +0.005486] Call Trace:
[  +0.002464]  ? __schedule+0x24e/0x880
[  +0.003674]  schedule+0x28/0x80
[  +0.003159]  kthreadd+0x2d1/0x2f0
[  +0.003327]  ? kthread_create_on_cpu+0xa0/0xa0
[  +0.006395]  ret_from_fork+0x35/0x40
[  +0.003731] rcu_gp          I    0     3      2 0x80000000
[  +0.005489] Call Trace:
[  +0.002461]  ? __schedule+0x24e/0x880
[  +0.003674]  schedule+0x28/0x80
[  +0.003171]  rescuer_thread+0x2e2/0x340
[  +0.003847]  ? worker_thread+0x380/0x380
[  +0.003939]  kthread+0x112/0x130
[  +0.003249]  ? kthread_park+0x80/0x80
[  +0.003673]  ret_from_fork+0x35/0x40
[  +0.003719] rcu_par_gp      I    0     4      2 0x80000000
[  +0.005496] Call Trace:
[  +0.002477]  ? __schedule+0x24e/0x880
[  +0.003688]  schedule+0x28/0x80
[  +0.003155]  rescuer_thread+0x2e2/0x340
[  +0.003844]  ? worker_thread+0x380/0x380
[  +0.005520]  kthread+0x112/0x130
[  +0.003242]  ? kthread_park+0x80/0x80
[  +0.003671]  ret_from_fork+0x35/0x40
[  +0.003745] kworker/0:0     I    0     5      2 0x80000000
[  +0.005500] Workqueue:            (null) (events)
[  +0.004717] Call Trace:
[  +0.002469]  ? __schedule+0x24e/0x880
[  +0.003696]  schedule+0x28/0x80
[  +0.003159]  worker_thread+0xb2/0x380
[  +0.003685]  ? drain_workqueue+0x120/0x120
[  +0.004108]  kthread+0x112/0x130
[  +0.003247]  ? kthread_park+0x80/0x80
[  +0.003676]  ret_from_fork+0x35/0x40
[  +0.003735] kworker/0:0H    I    0     6      2 0x80000000
[  +0.005504] Workqueue:            (null) (events_highpri)
[  +0.005403] Call Trace:
[  +0.004097]  ? __schedule+0x24e/0x880
[  +0.003682]  ? flush_backlog+0x3c/0x130
[  +0.003852]  schedule+0x28/0x80
[  +0.003154]  worker_thread+0xb2/0x380
[  +0.003689]  ? drain_workqueue+0x120/0x120
[  +0.004108]  kthread+0x112/0x130
[  +0.003235]  ? kthread_park+0x80/0x80
[  +0.003685]  ret_from_fork+0x35/0x40
[  +0.003734] kworker/u576:0  R  running task        0     8      2 0x80000000
[  +0.007062] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
[  +0.005398] Call Trace:
[  +0.002476]  ? page_vma_mapped_walk+0x307/0x710
[  +0.004538]  ? page_remove_rmap+0xa2/0x340
[  +0.004104]  ? ptep_clear_flush+0x54/0x60
[  +0.004027]  ? enqueue_entity+0x11c/0x620
[  +0.005904]  ? schedule+0x28/0x80
[  +0.003336]  ? rmap_walk_file+0xf9/0x270
[  +0.003940]  ? try_to_unmap+0x9c/0xf0
[  +0.003695]  ? migrate_pages+0x2b0/0xb90
[  +0.003959]  ? try_offline_node+0x160/0x160
[  +0.004214]  ? __offline_pages+0x6ce/0x8e0
[  +0.004134]  ? memory_subsys_offline+0x40/0x60
[  +0.004474]  ? device_offline+0x81/0xb0
[  +0.003867]  ? acpi_bus_offline+0xdb/0x140
[  +0.004117]  ? acpi_device_hotplug+0x21c/0x460
[  +0.004458]  ? acpi_hotplug_work_fn+0x1a/0x30
[  +0.004372]  ? process_one_work+0x1a1/0x3a0
[  +0.004195]  ? worker_thread+0x30/0x380
[  +0.003851]  ? drain_workqueue+0x120/0x120
[  +0.004117]  ? kthread+0x112/0x130
[  +0.003411]  ? kthread_park+0x80/0x80
[  +0.005325]  ? ret_from_fork+0x35/0x40
[  +0.003918] mm_percpu_wq    I    0     9      2 0x80000000
[  +0.005495] Workqueue:            (null) (mm_percpu_wq)
[  +0.005227] Call Trace:
[  +0.002468]  ? __schedule+0x24e/0x880
[  +0.003671]  schedule+0x28/0x80
[  +0.003160]  rescuer_thread+0x2e2/0x340
[  +0.003850]  ? worker_thread+0x380/0x380
[  +0.003930]  kthread+0x112/0x130
[  +0.003244]  ? kthread_park+0x80/0x80
[  +0.003678]  ret_from_fork+0x35/0x40
[  +0.003713] ksoftirqd/0     S    0    10      2 0x80000000
[  +0.005486] Call Trace:
[  +0.002462]  ? __schedule+0x24e/0x880
[  +0.003684]  ? __do_softirq+0x19c/0x2fe
[  +0.003855]  ? sort_range+0x20/0x20
[  +0.005179]  schedule+0x28/0x80
[  +0.003155]  smpboot_thread_fn+0x10b/0x160
[  +0.004103]  kthread+0x112/0x130
[  +0.003254]  ? kthread_park+0x80/0x80
[  +0.003673]  ret_from_fork+0x35/0x40
[  +0.003774] rcu_sched       I    0    11      2 0x80000000
[  +0.005486] Call Trace:
[  +0.002465]  ? __schedule+0x24e/0x880
[  +0.003679]  schedule+0x28/0x80
[  +0.003162]  schedule_timeout+0x16b/0x390
[  +0.004054]  ? __next_timer_interrupt+0xc0/0xc0
[  +0.004556]  rcu_gp_kthread+0x42f/0x890
[  +0.003885]  ? rcu_eqs_enter.constprop.60+0xa0/0xa0
[  +0.004885]  kthread+0x112/0x130
[  +0.003241]  ? kthread_park+0x80/0x80
[  +0.003679]  ret_from_fork+0x35/0x40
[  +0.005679] migration/0     S    0    12      2 0x80000000
[  +0.005486] Call Trace:
[  +0.002487]  ? __schedule+0x24e/0x880
[  +0.003677]  ? sort_range+0x20/0x20
[  +0.003509]  schedule+0x28/0x80
[  +0.003156]  smpboot_thread_fn+0x10b/0x160
[  +0.004101]  kthread+0x112/0x130
[  +0.003248]  ? kthread_park+0x80/0x80
[  +0.003677]  ret_from_fork+0x35/0x40
[  +0.003720] kworker/0:1     I    0    13      2 0x80000000

......

[  +0.011300] Showing busy workqueues and worker pools:
[  +0.006762] workqueue mm_percpu_wq: flags=0x8
[  +0.004453]   pwq 432: cpus=216 node=4 flags=0x0 nice=0 active=1/256
[  +0.006336]     pending: vmstat_update
[  +0.004001]   pwq 116: cpus=58 node=3 flags=0x0 nice=0 active=1/256
[  +0.006278]     pending: vmstat_update
[  +0.004654] workqueue memcg_kmem_cache: flags=0x0
[  +0.006686]   pwq 430: cpus=215 node=3 flags=0x0 nice=0 active=1/1
[  +0.006164]     in-flight: 1679:memcg_kmem_cache_create_func
[  +0.005649]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000046] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.087324] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090665] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.138852]   pwq 424: cpus=212 node=3 flags=0x0 nice=0 active=1/1
[  +0.006164]     in-flight: 1678:memcg_kmem_cache_create_func
[  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000038] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.087473] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090684] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.133351]   pwq 422: cpus=211 node=3 flags=0x0 nice=0 active=1/1
[  +0.006161]     in-flight: 1675:memcg_kmem_cache_create_func
[  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000039] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.087380] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090542] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.134096]   pwq 420: cpus=210 node=3 flags=0x0 nice=0 active=1/1
[  +0.006158]     in-flight: 1674:memcg_kmem_cache_create_func
[  +0.005641]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000042] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089204] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089119] , memcg_kmem_cache_create_func
[  +0.007636] watchdog: BUG: soft lockup - CPU#216 stuck for 22s! [migration/216:1295]
[  +0.081071] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000052] , memcg_kmem_cache_create_func
[  +0.004076] Modules linked in:
[  +0.009643] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000062] , memcg_kmem_cache_create_func
[  +0.089190]  vfat
[  +0.004048] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000067] , memcg_kmem_cache_create_func
[  +0.003042]  fat
[  +0.090462] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.004130]  intel_rapl sb_edac x86_pkg_temp_thermal coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_uncore iTCO_wdt iTCO_vendor_support ses joydev intel_rapl_perf enclosure scsi_transport_sas ipmi_si ipmi_devintf pcspkr ipmi_msghandler sg lpc_ich i2c_i801 mei_me mei xfs libcrc32c sd_mod crc32c_intel igb ahci libahci i2c_algo_bit dca libata megaraid_sas wmi dm_mirror dm_region_hash dm_log dm_mod
[  +0.001959]   pwq 412: cpus=206 node=3 flags=0x0 nice=0 active=1/1
[  +0.089072] CPU: 216 PID: 1295 Comm: migration/216 Tainted: G             L    4.20.0-rc2+ #4
[  +0.004073]     in-flight: 1665:memcg_kmem_cache_create_func
[  +0.001855] Hardware name:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
[  +0.039783]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000072] , memcg_kmem_cache_create_func
[  +0.039548] RIP: 0010:multi_cpu_stop+0x42/0xe0
[  +0.008079] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000063] , memcg_kmem_cache_create_func
[  +0.008491] Code: 1d f3 71 ea 7e 9c 41 5f 48 8b 47 18 48 85 c0 0f 84 88 00 00 00 89 db 48 0f a3 18 41 0f 92 c6 4c 8d 65 24 31 c0 45 31 ed f3 90 <8b> 5d 20 44 39 eb 74 3c 83 fb 02 74 51 83 fb 03 75 12 45 84 f6 74
[  +0.005612] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000053] , memcg_kmem_cache_create_func
[  +0.006231] RSP: 0000:ffffc9000f803e78 EFLAGS: 00000246
[  +0.086898] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000053] , memcg_kmem_cache_create_func
[  +0.004074]  ORIG_RAX: ffffffffffffff13
[  +0.004413] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000066] , memcg_kmem_cache_create_func
[  +0.090749] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888e7d29c730
[  +0.004053] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000054] , memcg_kmem_cache_create_func
[  +0.018694] RDX: ffffc900159dbbf0 RSI: ffffc900159dbbf0 RDI: ffffc900159dbc40
[  +0.090655] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.004135] RBP: ffffc900159dbc40 R08: 0000028f87366c00 R09: 0000000000000000
[  +0.005227]   pwq 410: cpus=205 node=3 flags=0x0 nice=0 active=1/1
[  +0.088661] R10: 00000000aaaaaaa8 R11: 00000000000005b2 R12: ffffc900159dbc64
[  +0.004067]     in-flight: 1669:memcg_kmem_cache_create_func
[  +0.003874] R13: 0000000000000001 R14: ffff888e7d29c700 R15: 0000000000000296
[  +0.090717]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000062] , memcg_kmem_cache_create_func
[  +0.004080] FS:  0000000000000000(0000) GS:ffff888e7d280000(0000) knlGS:0000000000000000
[  +0.007083] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000055] , memcg_kmem_cache_create_func
[  +0.088630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  +0.004064] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000057] , memcg_kmem_cache_create_func
[  +0.009125] CR2: 00007ffcee1d5d18 CR3: 0000000daab24001 CR4: 00000000003606e0
[  +0.032578] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000055] , memcg_kmem_cache_create_func
[  +0.007090] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  +0.006143] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000047] , memcg_kmem_cache_create_func
[  +0.007099] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  +0.007430] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000060] , memcg_kmem_cache_create_func
[  +0.007098] Call Trace:
[  +0.087211] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000052] , memcg_kmem_cache_create_func
[  +0.004144]  ? __schedule+0x256/0x880
[  +0.007978] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000070] , memcg_kmem_cache_create_func
[  +0.090319]  ? cpu_stop_queue_work+0xc0/0xc0
[  +0.004025] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000047] , memcg_kmem_cache_create_func
[  +0.005767]  cpu_stopper_thread+0x7a/0x100
[  +0.088708] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.004175]  ? sort_range+0x20/0x20
[  +0.007081]   pwq 408: cpus=204 node=3 flags=0x0 nice=0 active=1/1
[  +0.091040]  smpboot_thread_fn+0xc5/0x160
[  +0.004033]     in-flight: 1672:memcg_kmem_cache_create_func
[  +0.007193]  kthread+0x112/0x130
[  +0.088976]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000059] , memcg_kmem_cache_create_func
[  +0.005696]  ? kthread_park+0x80/0x80
[  +0.007048] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000059] , memcg_kmem_cache_create_func
[  +0.089369]  ret_from_fork+0x35/0x40
[  +0.003759] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000058] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.646860] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.143377]   pwq 404: cpus=202 node=3 flags=0x0 nice=0 active=1/1
[  +0.006163]     in-flight: 1662:memcg_kmem_cache_create_func
[  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000040] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.113279]   pwq 402: cpus=201 node=3 flags=0x0 nice=0 active=1/1
[  +0.006156]     in-flight: 1668:memcg_kmem_cache_create_func
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[  +0.033033]   pwq 400: cpus=200 node=3 flags=0x0 nice=0 active=1/1
[  +0.006161]     in-flight: 1664:memcg_kmem_cache_create_func
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[  +0.087416] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.100097]   pwq 398: cpus=199 node=3 flags=0x0 nice=0 active=1/1
[  +0.006159]     in-flight: 1666:memcg_kmem_cache_create_func
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[  +0.115426]   pwq 396: cpus=198 node=3 flags=0x0 nice=0 active=1/1
[  +0.006159]     in-flight: 1671:memcg_kmem_cache_create_func
[  +0.005637]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.089148] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.089054] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.177268]   pwq 376: cpus=188 node=2 flags=0x0 nice=0 active=1/1
[  +0.006161]     in-flight: 1194:memcg_kmem_cache_create_func
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[  +0.160211]   pwq 366: cpus=183 node=2 flags=0x0 nice=0 active=1/1
[  +0.006160]     in-flight: 1189:memcg_kmem_cache_create_func
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[  +0.045635]   pwq 362: cpus=181 node=2 flags=0x0 nice=0 active=1/1
[  +0.006159]     in-flight: 1187:memcg_kmem_cache_create_func
[  +0.005700]   pwq 322: cpus=161 node=0 flags=0x0 nice=0 active=1/1
[  +0.006163]     in-flight: 1167:memcg_kmem_cache_create_func
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[  +0.035685]   pwq 140: cpus=70 node=3 flags=0x0 nice=0 active=1/1
[  +0.006073]     in-flight: 1075:memcg_kmem_cache_create_func
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[  +0.000035] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.089024] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090527] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088900] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090691] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089071] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089030] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090884] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.088813] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089038] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090421] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088668] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090559] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089029] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.091022] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088829] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.115806]   pwq 138: cpus=69 node=3 flags=0x0 nice=0 active=1/1
[  +0.006072]     in-flight: 1077:memcg_kmem_cache_create_func
[  +0.005642]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000039] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.087318] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.153628]   pwq 136: cpus=68 node=3 flags=0x0 nice=0 active=1/1
[  +0.006075]     in-flight: 1076:memcg_kmem_cache_create_func
[  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000042] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.086933] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.091009] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089082] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090688] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088744] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090707] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.088865] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.088731] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.089019] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.090966] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088625] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090831] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.146462]   pwq 132: cpus=66 node=3 flags=0x0 nice=0 active=1/1
[  +0.006079]     in-flight: 1072:memcg_kmem_cache_create_func
[  +0.005642]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000037] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089276] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088760] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090860] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089025] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089034] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.141036]   pwq 130: cpus=65 node=3 flags=0x0 nice=0 active=1/1
[  +0.006076]     in-flight: 1071:memcg_kmem_cache_create_func
[  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000035] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.132012]   pwq 128: cpus=64 node=3 flags=0x0 nice=0 active=1/1
[  +0.006072]     in-flight: 1070:memcg_kmem_cache_create_func
[  +0.005641]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000045] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.087330] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090945] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088761] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.115367]   pwq 126: cpus=63 node=3 flags=0x0 nice=0 active=1/1
[  +0.006074]     in-flight: 1069:memcg_kmem_cache_create_func
[  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000037] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089299] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.156967]   pwq 124: cpus=62 node=3 flags=0x0 nice=0 active=1/1
[  +0.006077]     in-flight: 1068:memcg_kmem_cache_create_func
[  +0.005631]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000046] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089231] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089045] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.089013] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088776] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090784]   pwq 122: cpus=61 node=3 flags=0x0 nice=0 active=1/1
[  +0.066499]     in-flight: 4710:memcg_kmem_cache_create_func
[  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000037] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.090873] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.089049] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088946] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.091024] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089045] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090371] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088885] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089042] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.091161] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.131196]   pwq 120: cpus=60 node=3 flags=0x0 nice=0 active=1/1
[  +0.006075]     in-flight: 1066:memcg_kmem_cache_create_func
[  +0.005641]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000042] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.086989] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090667] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.139362]   pwq 116: cpus=58 node=3 flags=0x0 nice=0 active=1/1
[  +0.006071]     in-flight: 1063:memcg_kmem_cache_create_func
[  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000035] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.089254] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088871] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090691] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088691] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088597] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090347] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[Nov13 21:30] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
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[  +0.089132] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.090393] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.088723] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.176744]   pwq 114: cpus=57 node=3 flags=0x0 nice=0 active=1/1
[  +0.006073]     in-flight: 1062:memcg_kmem_cache_create_func
[  +0.005642]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.000045] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
[  +0.165992] workqueue kacpi_hotplug: flags=0xa0002
[  +0.004793]   pwq 576: cpus=0-287 flags=0x4 nice=0 active=1/1
[  +0.005731]     in-flight: 8:acpi_hotplug_work_fn
[  +0.013716] pool 114: cpus=57 node=3 flags=0x0 nice=0 hung=0s workers=3 idle: 7587 4988
[  +0.007998] pool 116: cpus=58 node=3 flags=0x0 nice=0 hung=288s workers=3 idle: 7576 3913
[  +0.008170] pool 120: cpus=60 node=3 flags=0x0 nice=0 hung=107s workers=3 idle: 7592 316
[  +0.008081] pool 122: cpus=61 node=3 flags=0x0 nice=0 hung=16s workers=3 idle: 7603 1067
[  +0.009773] pool 124: cpus=62 node=3 flags=0x0 nice=0 hung=236s workers=3 idle: 7602 326
[  +0.008081] pool 126: cpus=63 node=3 flags=0x0 nice=0 hung=293s workers=3 idle: 7590 331
[  +0.008190] pool 128: cpus=64 node=3 flags=0x0 nice=0 hung=293s workers=3 idle: 7577 5666
[  +0.008179] pool 130: cpus=65 node=3 flags=0x0 nice=0 hung=292s workers=3 idle: 7579 5665
[  +0.008177] pool 132: cpus=66 node=3 flags=0x0 nice=0 hung=295s workers=3 idle: 7605 346
[  +0.008089] pool 136: cpus=68 node=3 flags=0x0 nice=0 hung=107s workers=3 idle: 7604 356
[  +0.008082] pool 138: cpus=69 node=3 flags=0x0 nice=0 hung=292s workers=3 idle: 7585 361
[  +0.009689] pool 140: cpus=70 node=3 flags=0x0 nice=0 hung=290s workers=3 idle: 7567 4993
[  +0.008293] pool 322: cpus=161 node=0 flags=0x0 nice=0 hung=0s workers=3 idle: 7891 825
[  +0.008018] pool 362: cpus=181 node=2 flags=0x0 nice=0 hung=2s workers=3 idle: 6062 925
[  +0.007995] pool 366: cpus=183 node=2 flags=0x0 nice=0 hung=0s workers=3 idle: 5862 935
[  +0.008003] pool 376: cpus=188 node=2 flags=0x0 nice=0 hung=0s workers=3 idle: 6055 960
[  +0.008017] pool 396: cpus=198 node=3 flags=0x0 nice=0 hung=16s workers=3 idle: 7571 5287
[  +0.008176] pool 398: cpus=199 node=3 flags=0x0 nice=0 hung=23s workers=3 idle: 7568 3969
[  +0.008172] pool 400: cpus=200 node=3 flags=0x0 nice=0 hung=22s workers=3 idle: 7569 1217
[  +0.010158] pool 402: cpus=201 node=3 flags=0x0 nice=0 hung=22s workers=3 idle: 7893 1222
[  +0.008181] pool 404: cpus=202 node=3 flags=0x0 nice=0 hung=224s workers=3 idle: 7578 4699
[  +0.008260] pool 408: cpus=204 node=3 flags=0x0 nice=0 hung=223s workers=3 idle: 6051 1237
[  +0.008253] pool 410: cpus=205 node=3 flags=0x0 nice=0 hung=144s workers=3 idle: 7601 1242
[  +0.008265] pool 412: cpus=206 node=3 flags=0x0 nice=0 hung=261s workers=3 idle: 7606 1247
[  +0.008256] pool 420: cpus=210 node=3 flags=0x0 nice=0 hung=220s workers=3 idle: 7607 1267
[  +0.008251] pool 422: cpus=211 node=3 flags=0x0 nice=0 hung=269s workers=3 idle: 7582 1272
[  +0.010228] pool 424: cpus=212 node=3 flags=0x0 nice=0 hung=219s workers=3 idle: 7619 1277
[  +0.008260] pool 430: cpus=215 node=3 flags=0x0 nice=0 hung=217s workers=3 idle: 6050 1292
[  +0.008377] pool 576: cpus=0-287 flags=0x4 nice=0 hung=2182s workers=2 idle: 1774
[  +0.007568] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[  +0.000009] clocksource: timekeeping watchdog on CPU58: Marking clocksource 'tsc' as unstable because the skew is too large:
[  +0.000031] rcu: 	58-....: (38973 ticks this GP) idle=156/1/0x4000000000000000 softirq=83053/83053 fqs=54344 
[  +0.005884] clocksource:                       'hpet' wd_now: 374c60ca wd_last: b4cdce7c mask: ffffffff
[  +0.011175] rcu: 	(detected by 197, t=288575 jiffies, g=108005, q=261412)
[  +0.009892] clocksource:                       'tsc' cs_now: 7a398a46bd4 cs_last: 74e27405334 mask: ffffffffffffffff
[  +0.011301] Sending NMI from CPU 197 to CPUs 58:
[  +0.000168] NMI backtrace for cpu 58
[  +0.000002] CPU: 58 PID: 305 Comm: ksoftirqd/58 Tainted: G             L    4.20.0-rc2+ #4
[  +0.000001] Hardware name:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
[  +0.000001] RIP: 0010:vprintk_emit+0x1d2/0x230
[  +0.000002] Code: 01 c6 07 00 0f 1f 40 00 0f b6 05 19 ed 8d 01 48 c7 c2 20 12 9f 82 84 c0 74 09 f3 90 0f b6 02 84 c0 75 f7 e8 e0 0a 00 00 55 9d <e8> 29 ee ff ff e8 e4 fd ff ff e9 5d ff ff ff 80 3d a0 cc 2d 01 00
[  +0.000001] RSP: 0018:ffffc9000d913ce0 EFLAGS: 00000202
[  +0.000002] RAX: 0000000000000000 RBX: 0000000000000068 RCX: 0000000000000068
[  +0.000001] RDX: ffffffff829f1220 RSI: 0000000000000002 RDI: ffffffff829f1230
[  +0.000001] RBP: 0000000000000202 R08: 0000000000000002 R09: 0000000000021640
[  +0.000000] R10: 000007a39c812a4c R11: 00000000000a8c14 R12: 0000000000000001
[  +0.000000] R13: 0000000000000001 R14: 000000000000e5de R15: ffffc9000d913d38
[  +0.000001] FS:  0000000000000000(0000) GS:ffff888e7d900000(0000) knlGS:0000000000000000
[  +0.000001] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  +0.000000] CR2: 00007f7e8c212b1e CR3: 0000000e474ae006 CR4: 00000000003606e0
[  +0.000001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  +0.000000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  +0.000000] Call Trace:
[  +0.000001]  printk+0x58/0x6f
[  +0.000000]  ? __switch_to_asm+0x40/0x70
[  +0.000000]  clocksource_watchdog+0x2da/0x2f0
[  +0.000001]  ? __clocksource_unstable+0x60/0x60
[  +0.000000]  call_timer_fn+0x2b/0x130
[  +0.000000]  run_timer_softirq+0x3b9/0x3f0
[  +0.000001]  ? __switch_to_asm+0x40/0x70
[  +0.000000]  ? __switch_to_asm+0x34/0x70
[  +0.000000]  ? __switch_to_asm+0x40/0x70
[  +0.000000]  ? __switch_to_asm+0x34/0x70
[  +0.000001]  ? __switch_to_asm+0x40/0x70
[  +0.000000]  ? __switch_to_asm+0x40/0x70
[  +0.000000]  __do_softirq+0xdd/0x2fe
[  +0.000023]  ? sort_range+0x20/0x20
[  +0.000000]  run_ksoftirqd+0x1a/0x20
[  +0.000001]  smpboot_thread_fn+0xc5/0x160
[  +0.000000]  kthread+0x112/0x130
[  +0.000001]  ? kthread_park+0x80/0x80
[  +0.000004]  ret_from_fork+0x35/0x40
[  +0.219060] tsc: Marking TSC unstable due to clocksource watchdog
[  +0.006381] TSC found unstable after boot, most likely due to broken BIOS. Use 'tsc=unstable'.
[  +0.008594] sched_clock: Marking unstable (3065928264139, 4859457120)<-(3073001951393, -2214749450)
[  +0.027388] clocksource: Switched to clocksource hpet
[Nov13 21:33] perf: interrupt took too long (63348 > 53803), lowering kernel.perf_event_max_sample_rate to 3000
[Nov13 21:36] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.130 msecs
[Nov13 21:51] hrtimer: interrupt took 2022824 ns

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  7:09 Memory hotplug softlock issue Baoquan He
@ 2018-11-14  7:16 ` Baoquan He
  2018-11-14  8:18 ` David Hildenbrand
  2018-11-14 10:00 ` Michal Hocko
  2 siblings, 0 replies; 54+ messages in thread
From: Baoquan He @ 2018-11-14  7:16 UTC (permalink / raw)
  To: linux-mm; +Cc: linux-kernel, mhocko, akpm, aarcange, david

On 11/14/18 at 03:09pm, Baoquan He wrote:
> Hi,
> 
> Tested memory hotplug on a bare metal system, hot removing always
> trigger a lock. Usually need hot plug/unplug several times, then the hot
> removing will hang there at the last block. Surely with memory pressure
> added by executing "stress -m 200".

By the way, the release is 4.20-rc2 on linus's tree.

> 
> Will attach the log partly. Any idea or suggestion, appreciated. 
> 
> Thanks
> Baoquan

> ......
> 
> [  +0.000000] BIOS-provided physical RAM map:
> [  +0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable
> [  +0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved
> [  +0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000041a2dfff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000000041a2e000-0x0000000041a2efff] unusable
> [  +0.000000] BIOS-e820: [mem 0x0000000041a2f000-0x000000004f22efff] usable
> [  +0.000000] BIOS-e820: [mem 0x000000004f22f000-0x000000005122efff] reserved
> [  +0.000000] BIOS-e820: [mem 0x000000005122f000-0x000000005147efff] ACPI data
> [  +0.000000] BIOS-e820: [mem 0x000000005147f000-0x000000005947efff] ACPI NVS
> [  +0.000000] BIOS-e820: [mem 0x000000005947f000-0x000000005b87efff] reserved
> [  +0.000000] BIOS-e820: [mem 0x000000005b87f000-0x000000006d265fff] usable
> [  +0.000000] BIOS-e820: [mem 0x000000006d266000-0x000000006d2ebfff] reserved
> [  +0.000000] BIOS-e820: [mem 0x000000006d2ec000-0x000000006fffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000000070000000-0x000000008fffffff] reserved
> [  +0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
> [  +0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
> [  +0.000000] BIOS-e820: [mem 0x0000000100000000-0x0000000fffffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x000000ff80000000-0x0000010fffffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000080000000000-0x0000080fffffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000090000000000-0x0000090fffffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000100000000000-0x0000100fffffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000110000000000-0x0000110fffffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000180000000000-0x0000180fffffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000190000000000-0x0000190fffffffff] usable
> [  +0.000000] BIOS-e820: [mem 0x0000200100000000-0x000020013fffffff] reserved
> [  +0.000000] NX (Execute Disable) protection: active
> [  +0.000000] e820: update [mem 0x28bc5018-0x28bdf857] usable ==> usable
> [  +0.000000] e820: update [mem 0x28bc5018-0x28bdf857] usable ==> usable
> [  +0.000000] extended physical RAM map:
> [  +0.000000] reserve setup_data: [mem 0x0000000000000000-0x000000000009ffff] usable
> [  +0.000000] reserve setup_data: [mem 0x00000000000a0000-0x00000000000fffff] reserved
> [  +0.000000] reserve setup_data: [mem 0x0000000000100000-0x0000000028bc5017] usable
> [  +0.000000] reserve setup_data: [mem 0x0000000028bc5018-0x0000000028bdf857] usable
> [  +0.000000] reserve setup_data: [mem 0x0000000028bdf858-0x0000000041a2dfff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000000041a2e000-0x0000000041a2efff] unusable
> [  +0.000000] reserve setup_data: [mem 0x0000000041a2f000-0x000000004f22efff] usable
> [  +0.000000] reserve setup_data: [mem 0x000000004f22f000-0x000000005122efff] reserved
> [  +0.000000] reserve setup_data: [mem 0x000000005122f000-0x000000005147efff] ACPI data
> [  +0.000000] reserve setup_data: [mem 0x000000005147f000-0x000000005947efff] ACPI NVS
> [  +0.000000] reserve setup_data: [mem 0x000000005947f000-0x000000005b87efff] reserved
> [  +0.000000] reserve setup_data: [mem 0x000000005b87f000-0x000000006d265fff] usable
> [  +0.000000] reserve setup_data: [mem 0x000000006d266000-0x000000006d2ebfff] reserved
> [  +0.000000] reserve setup_data: [mem 0x000000006d2ec000-0x000000006fffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000000070000000-0x000000008fffffff] reserved
> [  +0.000000] reserve setup_data: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
> [  +0.000000] reserve setup_data: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
> [  +0.000000] reserve setup_data: [mem 0x0000000100000000-0x0000000fffffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x000000ff80000000-0x0000010fffffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000080000000000-0x0000080fffffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000090000000000-0x0000090fffffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000100000000000-0x0000100fffffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000110000000000-0x0000110fffffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000180000000000-0x0000180fffffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000190000000000-0x0000190fffffffff] usable
> [  +0.000000] reserve setup_data: [mem 0x0000200100000000-0x000020013fffffff] reserved
> [  +0.000000] efi: EFI v2.40 by American Megatrends
> [  +0.000000] efi:  ACPI=0x51277000  ACPI 2.0=0x51277000  ESRT=0x5b34fe18  SMBIOS=0xf05e0  MPS=0xea000 
> [  +0.000000] SMBIOS 2.8 present.
> [  +0.000000] DMI:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
> [  +0.000000] tsc: Fast TSC calibration using PIT
> [  +0.000000] tsc: Detected 2399.972 MHz processor
> [  +0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
> [  +0.000001] e820: remove [mem 0x000a0000-0x000fffff] usable
> [  +0.000008] last_pfn = 0x191000000 max_arch_pfn = 0x400000000
> [  +0.000005] MTRR default type: write-back
> [  +0.000001] MTRR fixed ranges enabled:
> [  +0.000001]   00000-9FFFF write-back
> [  +0.000001]   A0000-BFFFF uncachable
> [  +0.000000]   C0000-FFFFF write-protect
> [  +0.000001] MTRR variable ranges enabled:
> [  +0.000001]   0 base 000080000000 mask 3FFF80000000 uncachable
> [  +0.000001]   1 base 200100000000 mask 3FFFC0000000 uncachable
> [  +0.000001]   2 base 210000000000 mask 3F8000000000 uncachable
> [  +0.000001]   3 base 218000000000 mask 3FE000000000 uncachable
> [  +0.000001]   4 base 21A000000000 mask 3FF800000000 uncachable
> [  +0.000000]   5 disabled
> [  +0.000000]   6 disabled
> [  +0.000001]   7 disabled
> [  +0.000000]   8 disabled
> [  +0.000001]   9 disabled
> [  +0.003688] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  
> [  +0.000700] x2apic: enabled by BIOS, switching to x2apic ops
> [  +0.000004] last_pfn = 0x70000 max_arch_pfn = 0x400000000
> [  +0.007795] found SMP MP-table at [mem 0x000fcb20-0x000fcb2f] mapped at [(____ptrval____)]
> [  +0.000023] esrt: Reserving ESRT space from 0x000000005b34fe18 to 0x000000005b34fe50.
> [  +0.000006] Base memory trampoline at [(____ptrval____)] 98000 size 24576
> [  +0.000006] Using GB pages for direct mapping
> [  +0.000002] BRK [0x03004000, 0x03004fff] PGTABLE
> [  +0.000003] BRK [0x03005000, 0x03005fff] PGTABLE
> [  +0.000001] BRK [0x03006000, 0x03006fff] PGTABLE
> [  +0.000249] BRK [0x03007000, 0x03007fff] PGTABLE
> [  +0.000063] BRK [0x03008000, 0x03008fff] PGTABLE
> [  +0.000198] BRK [0x03009000, 0x03009fff] PGTABLE
> [  +0.000096] BRK [0x0300a000, 0x0300afff] PGTABLE
> [  +0.000104] BRK [0x0300b000, 0x0300bfff] PGTABLE
> [  +0.000210] BRK [0x0300c000, 0x0300cfff] PGTABLE
> [  +0.000005] BRK [0x0300d000, 0x0300dfff] PGTABLE
> [  +0.000046] BRK [0x0300e000, 0x0300efff] PGTABLE
> [  +0.000041] BRK [0x0300f000, 0x0300ffff] PGTABLE
> [  +0.000360] Secure boot disabled
> [  +0.000002] RAMDISK: [mem 0x28be0000-0x2a332fff]
> [  +0.000006] ACPI: Early table checksum verification disabled
> [  +0.000005] ACPI: RSDP 0x0000000051277000 000024 (v02 ALASKA)
> [  +0.000004] ACPI: XSDT 0x00000000512770B8 0000F4 (v01 ALASKA A M I    01072009 AMI  00010013)
> [  +0.000006] ACPI: FACP 0x000000005139F100 00010C (v05 ALASKA A M I    01072009 AMI  00010013)
> [  +0.000005] ACPI: DSDT 0x0000000051277240 127EBB (v02 ALASKA A M I    01072009 MSFT 01000013)
> [  +0.000003] ACPI: FACS 0x000000005947DF80 000040
> [  +0.000003] ACPI: APIC 0x000000005139F210 006E2C (v03 ALASKA A M I    01072009 AMI  00010013)
> [  +0.000002] ACPI: FPDT 0x00000000513A6040 000044 (v01 ALASKA A M I    01072009 AMI  00010013)
> [  +0.000003] ACPI: FIDT 0x00000000513A6088 00009C (v01 ALASKA A M I    01072009 AMI  00010013)
> [  +0.000003] ACPI: SPMI 0x00000000513A6128 000041 (v05 ALASKA A M I    00000000 AMI. 00000000)
> [  +0.000002] ACPI: MSDM 0x00000000513A6170 000055 (v03 ALASKA A M I    01072009 AMI  00010013)
> [  +0.000003] ACPI: MCFG 0x00000000513A61C8 00004C (v01 ALASKA A M I    01072009 MSFT 00000097)
> [  +0.000003] ACPI: SSDT 0x00000000513A6218 0111A8 (v02 INTEL  SpsNm    00000002 INTL 20120913)
> [  +0.000002] ACPI: SSDT 0x00000000513B73C0 000040 (v02 INTEL  SpsNvs   00000002 INTL 20120913)
> [  +0.000003] ACPI: PRAD 0x00000000513B7400 000129 (v02 INTEL  SpsPrAgg 00000002 INTL 20120913)
> [  +0.000003] ACPI: UEFI 0x00000000513B7530 000042 (v01 ALASKA A M I    01072009      00000000)
> [  +0.000002] ACPI: BDAT 0x00000000513B7578 000030 (v01 ALASKA A M I    00000000 MSFT 01000013)
> [  +0.000003] ACPI: HPET 0x00000000513B75A8 000038 (v01 ALASKA A M I    00000001 MSFT 01000013)
> [  +0.000002] ACPI: MSCT 0x00000000513B75E0 0002F8 (v01 ALASKA A M I    00000001 MSFT 01000013)
> [  +0.000003] ACPI: PCCT 0x00000000513B78D8 0000AC (v01 ALASKA A M I    00000002 MSFT 01000013)
> [  +0.000002] ACPI: PMCT 0x00000000513B7988 000060 (v01 ALASKA A M I    00000000 MSFT 01000013)
> [  +0.000003] ACPI: RASF 0x00000000513B79E8 000030 (v01 ALASKA A M I    00000001 MSFT 01000013)
> [  +0.000002] ACPI: SLIT 0x00000000513B7A18 00042C (v01 ALASKA A M I    00000001 MSFT 01000013)
> [  +0.000003] ACPI: SRAT 0x00000000513B7E48 009A80 (v03 ALASKA A M I    00000002 MSFT 01000013)
> [  +0.000003] ACPI: WDDT 0x00000000513C18C8 000040 (v01 ALASKA A M I    00000000 MSFT 01000013)
> [  +0.000002] ACPI: SSDT 0x00000000513C1908 0BCC72 (v02 AMI    PmMgt    00000001 INTL 20120913)
> [  +0.000003] ACPI: DMAR 0x000000005147E580 000328 (v01 ALASKA A M I    00000001 MSFT 01000013)
> [  +0.000002] ACPI: HEST 0x000000005147E8A8 0000E8 (v01 ALASKA A M I    00000001 INTL 00000001)
> [  +0.000003] ACPI: BERT 0x000000005147E990 000030 (v01 ALASKA A M I    00000001 INTL 00000001)
> [  +0.000003] ACPI: ERST 0x000000005147E9C0 000230 (v01 ALASKA A M I    00000001 INTL 00000001)
> [  +0.000002] ACPI: EINJ 0x000000005147EBF0 000150 (v01 ALASKA A M I    00000001 INTL 00000001)
> [  +0.000010] ACPI: Local APIC address 0xfee00000
> [  +0.000002] Setting APIC routing to cluster x2apic.
> [  +0.000051] SRAT: PXM 0 -> APIC 0x0000 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0002 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0004 -> Node 0
> [  +0.000000] SRAT: PXM 0 -> APIC 0x0006 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0008 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0010 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0012 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0014 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0016 -> Node 0
> [  +0.000000] SRAT: PXM 0 -> APIC 0x0020 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0022 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0024 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0026 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0028 -> Node 0
> [  +0.000000] SRAT: PXM 0 -> APIC 0x0030 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0032 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0034 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0036 -> Node 0
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0040 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0042 -> Node 1
> [  +0.000000] SRAT: PXM 1 -> APIC 0x0044 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0046 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0048 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0050 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0052 -> Node 1
> [  +0.000000] SRAT: PXM 1 -> APIC 0x0054 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0056 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0060 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0062 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0064 -> Node 1
> [  +0.000000] SRAT: PXM 1 -> APIC 0x0066 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0068 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0070 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0072 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0074 -> Node 1
> [  +0.000000] SRAT: PXM 1 -> APIC 0x0076 -> Node 1
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0080 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0082 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0084 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0086 -> Node 2
> [  +0.000000] SRAT: PXM 2 -> APIC 0x0088 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0090 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0092 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0094 -> Node 2
> [  +0.000000] SRAT: PXM 2 -> APIC 0x0096 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00a0 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00a2 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00a4 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00a6 -> Node 2
> [  +0.000000] SRAT: PXM 2 -> APIC 0x00a8 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00b0 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00b2 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00b4 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00b6 -> Node 2
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00c0 -> Node 3
> [  +0.000000] SRAT: PXM 3 -> APIC 0x00c2 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00c4 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00c6 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00c8 -> Node 3
> [  +0.000000] SRAT: PXM 3 -> APIC 0x00d0 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00d2 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00d4 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00d6 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00e0 -> Node 3
> [  +0.000000] SRAT: PXM 3 -> APIC 0x00e2 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00e4 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00e6 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00e8 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00f0 -> Node 3
> [  +0.000000] SRAT: PXM 3 -> APIC 0x00f2 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00f4 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00f6 -> Node 3
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0100 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0102 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0104 -> Node 4
> [  +0.000000] SRAT: PXM 4 -> APIC 0x0106 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0108 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0110 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0112 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0114 -> Node 4
> [  +0.000000] SRAT: PXM 4 -> APIC 0x0116 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0120 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0122 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0124 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0126 -> Node 4
> [  +0.000000] SRAT: PXM 4 -> APIC 0x0128 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0130 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0132 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0134 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0136 -> Node 4
> [  +0.000000] SRAT: PXM 5 -> APIC 0x0140 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0142 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0144 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0146 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0148 -> Node 5
> [  +0.000000] SRAT: PXM 5 -> APIC 0x0150 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0152 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0154 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0156 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0160 -> Node 5
> [  +0.000000] SRAT: PXM 5 -> APIC 0x0162 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0164 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0166 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0168 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0170 -> Node 5
> [  +0.000000] SRAT: PXM 5 -> APIC 0x0172 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0174 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0176 -> Node 5
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0180 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0182 -> Node 6
> [  +0.000000] SRAT: PXM 6 -> APIC 0x0184 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0186 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0188 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0190 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0192 -> Node 6
> [  +0.000000] SRAT: PXM 6 -> APIC 0x0194 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0196 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01a0 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01a2 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01a4 -> Node 6
> [  +0.000000] SRAT: PXM 6 -> APIC 0x01a6 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01a8 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01b0 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01b2 -> Node 6
> [  +0.000000] SRAT: PXM 6 -> APIC 0x01b4 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01b6 -> Node 6
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01c0 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01c2 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01c4 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01c6 -> Node 7
> [  +0.000000] SRAT: PXM 7 -> APIC 0x01c8 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01d0 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01d2 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01d4 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01d6 -> Node 7
> [  +0.000000] SRAT: PXM 7 -> APIC 0x01e0 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e2 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e4 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e6 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e8 -> Node 7
> [  +0.000000] SRAT: PXM 7 -> APIC 0x01f0 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01f2 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01f4 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01f6 -> Node 7
> [  +0.000000] SRAT: PXM 0 -> APIC 0x0001 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0003 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0005 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0007 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0009 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0011 -> Node 0
> [  +0.000000] SRAT: PXM 0 -> APIC 0x0013 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0015 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0017 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0021 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0023 -> Node 0
> [  +0.000000] SRAT: PXM 0 -> APIC 0x0025 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0027 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0029 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0031 -> Node 0
> [  +0.000000] SRAT: PXM 0 -> APIC 0x0033 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0035 -> Node 0
> [  +0.000001] SRAT: PXM 0 -> APIC 0x0037 -> Node 0
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0041 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0043 -> Node 1
> [  +0.000000] SRAT: PXM 1 -> APIC 0x0045 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0047 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0049 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0051 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0053 -> Node 1
> [  +0.000000] SRAT: PXM 1 -> APIC 0x0055 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0057 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0061 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0063 -> Node 1
> [  +0.000000] SRAT: PXM 1 -> APIC 0x0065 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0067 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0069 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0071 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0073 -> Node 1
> [  +0.000000] SRAT: PXM 1 -> APIC 0x0075 -> Node 1
> [  +0.000001] SRAT: PXM 1 -> APIC 0x0077 -> Node 1
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0081 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0083 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0085 -> Node 2
> [  +0.000000] SRAT: PXM 2 -> APIC 0x0087 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0089 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0091 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0093 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x0095 -> Node 2
> [  +0.000000] SRAT: PXM 2 -> APIC 0x0097 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00a1 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00a3 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00a5 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00a7 -> Node 2
> [  +0.000000] SRAT: PXM 2 -> APIC 0x00a9 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00b1 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00b3 -> Node 2
> [  +0.000001] SRAT: PXM 2 -> APIC 0x00b5 -> Node 2
> [  +0.000000] SRAT: PXM 2 -> APIC 0x00b7 -> Node 2
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00c1 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00c3 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00c5 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00c7 -> Node 3
> [  +0.000000] SRAT: PXM 3 -> APIC 0x00c9 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00d1 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00d3 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00d5 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00d7 -> Node 3
> [  +0.000000] SRAT: PXM 3 -> APIC 0x00e1 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00e3 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00e5 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00e7 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00e9 -> Node 3
> [  +0.000000] SRAT: PXM 3 -> APIC 0x00f1 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00f3 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00f5 -> Node 3
> [  +0.000001] SRAT: PXM 3 -> APIC 0x00f7 -> Node 3
> [  +0.000000] SRAT: PXM 4 -> APIC 0x0101 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0103 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0105 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0107 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0109 -> Node 4
> [  +0.000000] SRAT: PXM 4 -> APIC 0x0111 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0113 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0115 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0117 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0121 -> Node 4
> [  +0.000000] SRAT: PXM 4 -> APIC 0x0123 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0125 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0127 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0129 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0131 -> Node 4
> [  +0.000000] SRAT: PXM 4 -> APIC 0x0133 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0135 -> Node 4
> [  +0.000001] SRAT: PXM 4 -> APIC 0x0137 -> Node 4
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0141 -> Node 5
> [  +0.000000] SRAT: PXM 5 -> APIC 0x0143 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0145 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0147 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0149 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0151 -> Node 5
> [  +0.000000] SRAT: PXM 5 -> APIC 0x0153 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0155 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0157 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0161 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0163 -> Node 5
> [  +0.000000] SRAT: PXM 5 -> APIC 0x0165 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0167 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0169 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0171 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0173 -> Node 5
> [  +0.000000] SRAT: PXM 5 -> APIC 0x0175 -> Node 5
> [  +0.000001] SRAT: PXM 5 -> APIC 0x0177 -> Node 5
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0181 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0183 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0185 -> Node 6
> [  +0.000000] SRAT: PXM 6 -> APIC 0x0187 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0189 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0191 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0193 -> Node 6
> [  +0.000000] SRAT: PXM 6 -> APIC 0x0195 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x0197 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01a1 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01a3 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01a5 -> Node 6
> [  +0.000000] SRAT: PXM 6 -> APIC 0x01a7 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01a9 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01b1 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01b3 -> Node 6
> [  +0.000001] SRAT: PXM 6 -> APIC 0x01b5 -> Node 6
> [  +0.000000] SRAT: PXM 6 -> APIC 0x01b7 -> Node 6
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01c1 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01c3 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01c5 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01c7 -> Node 7
> [  +0.000000] SRAT: PXM 7 -> APIC 0x01c9 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01d1 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01d3 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01d5 -> Node 7
> [  +0.000000] SRAT: PXM 7 -> APIC 0x01d7 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e1 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e3 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e5 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e7 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01e9 -> Node 7
> [  +0.000000] SRAT: PXM 7 -> APIC 0x01f1 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01f3 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01f5 -> Node 7
> [  +0.000001] SRAT: PXM 7 -> APIC 0x01f7 -> Node 7
> [  +0.000037] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x7fffffff]
> [  +0.000001] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0xfffffffff]
> [  +0.000001] ACPI: SRAT: Node 0 PXM 0 [mem 0xff80000000-0xffffffffff]
> [  +0.000001] ACPI: SRAT: Node 1 PXM 1 [mem 0x10000000000-0x1ffffffffff] hotplug
> [  +0.000002] ACPI: SRAT: Node 2 PXM 2 [mem 0x80000000000-0x8ffffffffff] hotplug
> [  +0.000001] ACPI: SRAT: Node 3 PXM 3 [mem 0x90000000000-0x9ffffffffff] hotplug
> [  +0.000001] ACPI: SRAT: Node 4 PXM 4 [mem 0x100000000000-0x10ffffffffff] hotplug
> [  +0.000002] ACPI: SRAT: Node 5 PXM 5 [mem 0x110000000000-0x11ffffffffff] hotplug
> [  +0.000001] ACPI: SRAT: Node 6 PXM 6 [mem 0x180000000000-0x18ffffffffff] hotplug
> [  +0.000001] ACPI: SRAT: Node 7 PXM 7 [mem 0x190000000000-0x19ffffffffff] hotplug
> [  +0.000010] NUMA: Initialized distance table, cnt=8
> [  +0.000004] NUMA: Node 0 [mem 0x00000000-0x7fffffff] + [mem 0x100000000-0xfffffffff] -> [mem 0x00000000-0xfffffffff]
> [  +0.000001] NUMA: Node 0 [mem 0x00000000-0xfffffffff] + [mem 0xff80000000-0xffffffffff] -> [mem 0x00000000-0xffffffffff]
> [  +0.000013] NODE_DATA(0) allocated [mem 0xfffffd6000-0xffffffffff]
> [  +0.000079] NODE_DATA(1) allocated [mem 0xfffffac000-0xfffffd5fff]
> [  +0.000001]     NODE_DATA(1) on node 0
> [  +0.000079] NODE_DATA(2) allocated [mem 0xfffff82000-0xfffffabfff]
> [  +0.000001]     NODE_DATA(2) on node 0
> [  +0.000079] NODE_DATA(3) allocated [mem 0xfffff58000-0xfffff81fff]
> [  +0.000000]     NODE_DATA(3) on node 0
> [  +0.000079] NODE_DATA(4) allocated [mem 0xfffff2e000-0xfffff57fff]
> [  +0.000000]     NODE_DATA(4) on node 0
> [  +0.000079] NODE_DATA(5) allocated [mem 0xfffff04000-0xfffff2dfff]
> [  +0.000001]     NODE_DATA(5) on node 0
> [  +0.000079] NODE_DATA(6) allocated [mem 0xffffeda000-0xfffff03fff]
> [  +0.000000]     NODE_DATA(6) on node 0
> [  +0.000079] NODE_DATA(7) allocated [mem 0xffffeb0000-0xffffed9fff]
> [  +0.000001]     NODE_DATA(7) on node 0
> [  +0.000162] crashkernel: memory value expected
> [  +0.005320] Zone ranges:
> [  +0.000001]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
> [  +0.000002]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
> [  +0.000001]   Normal   [mem 0x0000000100000000-0x0000190fffffffff]
> [  +0.000001]   Device   empty
> [  +0.000001] Movable zone start for each node
> [  +0.000001]   Node 1: 0x0000010000000000
> [  +0.000001]   Node 2: 0x0000080000000000
> [  +0.000001]   Node 3: 0x0000090000000000
> [  +0.000001]   Node 4: 0x0000100000000000
> [  +0.000000]   Node 5: 0x0000110000000000
> [  +0.000001]   Node 6: 0x0000180000000000
> [  +0.000001]   Node 7: 0x0000190000000000
> [  +0.000004] Early memory node ranges
> [  +0.000001]   node   0: [mem 0x0000000000001000-0x000000000009ffff]
> [  +0.000001]   node   0: [mem 0x0000000000100000-0x0000000041a2dfff]
> [  +0.000001]   node   0: [mem 0x0000000041a2f000-0x000000004f22efff]
> [  +0.000001]   node   0: [mem 0x000000005b87f000-0x000000006d265fff]
> [  +0.000001]   node   0: [mem 0x000000006d2ec000-0x000000006fffffff]
> [  +0.000001]   node   0: [mem 0x0000000100000000-0x0000000fffffffff]
> [  +0.000000]   node   0: [mem 0x000000ff80000000-0x000000ffffffffff]
> [  +0.000001]   node   1: [mem 0x0000010000000000-0x0000010fffffffff]
> [  +0.000001]   node   2: [mem 0x0000080000000000-0x0000080fffffffff]
> [  +0.000001]   node   3: [mem 0x0000090000000000-0x0000090fffffffff]
> [  +0.000001]   node   4: [mem 0x0000100000000000-0x0000100fffffffff]
> [  +0.000001]   node   5: [mem 0x0000110000000000-0x0000110fffffffff]
> [  +0.000001]   node   6: [mem 0x0000180000000000-0x0000180fffffffff]
> [  +0.000000]   node   7: [mem 0x0000190000000000-0x0000190fffffffff]
> [  +3.253257] Zeroed struct page in unavailable ranges: 117458744 pages
> [  +0.000003] Initmem setup node 0 [mem 0x0000000000001000-0x000000ffffffffff]
> [  +0.000004] On node 0 totalpages: 16660680
> [  +0.000002]   DMA zone: 64 pages used for memmap
> [  +0.000001]   DMA zone: 24 pages reserved
> [  +0.000001]   DMA zone: 3999 pages, LIFO batch:0
> [  +0.000228]   DMA32 zone: 6309 pages used for memmap
> [  +0.000001]   DMA32 zone: 403753 pages, LIFO batch:63
> [  +0.015853]   Normal zone: 253952 pages used for memmap
> [  +0.000001]   Normal zone: 16252928 pages, LIFO batch:63
> [  +0.001068] Initmem setup node 1 [mem 0x0000010000000000-0x0000010fffffffff]
> [  +0.000002] On node 1 totalpages: 16777216
> [  +0.000001]   Movable zone: 262144 pages used for memmap
> [  +0.000001]   Movable zone: 16777216 pages, LIFO batch:63
> [  +0.000923] Initmem setup node 2 [mem 0x0000080000000000-0x0000080fffffffff]
> [  +0.000002] On node 2 totalpages: 16777216
> [  +0.000000]   Movable zone: 262144 pages used for memmap
> [  +0.000001]   Movable zone: 16777216 pages, LIFO batch:63
> [  +0.000916] Initmem setup node 3 [mem 0x0000090000000000-0x0000090fffffffff]
> [  +0.000002] On node 3 totalpages: 16777216
> [  +0.000001]   Movable zone: 262144 pages used for memmap
> [  +0.000000]   Movable zone: 16777216 pages, LIFO batch:63
> [  +0.000923] Initmem setup node 4 [mem 0x0000100000000000-0x0000100fffffffff]
> [  +0.000002] On node 4 totalpages: 16777216
> [  +0.000001]   Movable zone: 262144 pages used for memmap
> [  +0.000000]   Movable zone: 16777216 pages, LIFO batch:63
> [  +0.000921] Initmem setup node 5 [mem 0x0000110000000000-0x0000110fffffffff]
> [  +0.000002] On node 5 totalpages: 16777216
> [  +0.000001]   Movable zone: 262144 pages used for memmap
> [  +0.000000]   Movable zone: 16777216 pages, LIFO batch:63
> [  +0.000900] Initmem setup node 6 [mem 0x0000180000000000-0x0000180fffffffff]
> [  +0.000002] On node 6 totalpages: 16777216
> [  +0.000001]   Movable zone: 262144 pages used for memmap
> [  +0.000001]   Movable zone: 16777216 pages, LIFO batch:63
> [  +0.000912] Initmem setup node 7 [mem 0x0000190000000000-0x0000190fffffffff]
> [  +0.000002] On node 7 totalpages: 16777216
> [  +0.000001]   Movable zone: 262144 pages used for memmap
> [  +0.000000]   Movable zone: 16777216 pages, LIFO batch:63
> [  +0.001034] ACPI: PM-Timer IO Port: 0x408
> [  +0.000003] ACPI: Local APIC address 0xfee00000
> [  +0.000087] ACPI: X2APIC_NMI (uid[0x00] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x08] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x10] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x18] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x20] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x04] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x0c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x14] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x1c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x02] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x0a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x12] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x1a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x22] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x06] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x0e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x16] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x1e] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x30] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x38] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x40] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x48] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x50] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x34] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x3c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x44] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x4c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x32] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x3a] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x42] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x4a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x52] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x36] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x3e] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x46] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x4e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x60] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x68] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x70] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x78] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x80] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x64] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x6c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x74] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x7c] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x62] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x6a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x72] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x7a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x82] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x66] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x6e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x76] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x7e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x90] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x98] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xa0] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xa8] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xb0] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x94] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x9c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xa4] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xac] high edge lint[0x1])
> [  +0.000002] ACPI: X2APIC_NMI (uid[0x92] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x9a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xa2] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xaa] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xb2] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x96] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x9e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xa6] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xae] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xc0] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xc8] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xd0] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xd8] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xe0] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xc4] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xcc] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xd4] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xdc] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xc2] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xca] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xd2] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xda] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xe2] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xc6] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xce] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xd6] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xde] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xf0] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xf8] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x100] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x108] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x110] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xf4] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xfc] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x104] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x10c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xf2] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xfa] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x102] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x10a] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x112] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xf6] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xfe] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x106] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x10e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x120] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x128] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x130] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x138] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x140] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x124] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x12c] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x134] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x13c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x122] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x12a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x132] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x13a] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x142] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x126] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x12e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x136] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x13e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x150] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x158] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x160] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x168] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x170] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x154] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x15c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x164] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x16c] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x152] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x15a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x162] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x16a] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x172] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x156] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x15e] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x166] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x16e] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x01] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x09] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x11] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x19] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x21] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x05] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x0d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x15] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x1d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x03] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x0b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x13] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x1b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x23] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x07] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x0f] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x17] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x1f] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x31] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x39] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x41] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x49] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x51] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x35] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x3d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x45] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x4d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x33] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x3b] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x43] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x4b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x53] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x37] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x3f] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x47] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x4f] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x61] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x69] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x71] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x79] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x81] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x65] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x6d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x75] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x7d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x63] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x6b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x73] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x7b] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x83] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x67] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x6f] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x77] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x7f] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x91] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x99] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xa1] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xa9] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xb1] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x95] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x9d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xa5] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xad] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x93] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x9b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xa3] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xab] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xb3] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x97] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x9f] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xa7] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xaf] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xc1] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xc9] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xd1] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xd9] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xe1] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xc5] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xcd] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xd5] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xdd] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xc3] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xcb] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xd3] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xdb] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xe3] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xc7] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xcf] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xd7] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xdf] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xf1] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xf9] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x101] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x109] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x111] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xf5] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0xfd] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x105] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x10d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xf3] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xfb] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x103] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x10b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x113] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xf7] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0xff] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x107] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x10f] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x121] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x129] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x131] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x139] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x141] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x125] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x12d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x135] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x13d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x123] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x12b] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x133] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x13b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x143] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x127] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x12f] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x137] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x13f] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x151] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x159] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x161] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x169] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x171] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x155] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x15d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x165] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x16d] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x153] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x15b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x163] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x16b] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x173] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x157] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x15f] high edge lint[0x1])
> [  +0.000000] ACPI: X2APIC_NMI (uid[0x167] high edge lint[0x1])
> [  +0.000001] ACPI: X2APIC_NMI (uid[0x16f] high edge lint[0x1])
> [  +0.000029] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
> [  +0.000007] IOAPIC[1]: apic_id 1, version 32, address 0xfec01000, GSI 24-47
> [  +0.000007] IOAPIC[2]: apic_id 2, version 32, address 0xfec08000, GSI 48-71
> [  +0.000007] IOAPIC[3]: apic_id 3, version 32, address 0xfec10000, GSI 72-95
> [  +0.000008] IOAPIC[4]: apic_id 4, version 32, address 0xfec18000, GSI 96-119
> [  +0.000007] IOAPIC[5]: apic_id 5, version 32, address 0xfec20000, GSI 120-143
> [  +0.000006] IOAPIC[6]: apic_id 6, version 32, address 0xfec28000, GSI 144-167
> [  +0.000008] IOAPIC[7]: apic_id 7, version 32, address 0xfec30000, GSI 168-191
> [  +0.000007] IOAPIC[8]: apic_id 8, version 32, address 0xfec38000, GSI 192-215
> [  +0.000010] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> [  +0.000002] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> [  +0.000003] ACPI: IRQ0 used by override.
> [  +0.000001] ACPI: IRQ9 used by override.
> [  +0.000009] Using ACPI (MADT) for SMP configuration information
> [  +0.000002] ACPI: HPET id: 0x8086a701 base: 0xfed00000
> [  +0.000006] smpboot: Allowing 288 CPUs, 0 hotplug CPUs
> [  +0.000035] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff]
> [  +0.000001] PM: Registered nosave memory: [mem 0x28bc5000-0x28bc5fff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x28bdf000-0x28bdffff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x41a2e000-0x41a2efff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x4f22f000-0x5122efff]
> [  +0.000001] PM: Registered nosave memory: [mem 0x5122f000-0x5147efff]
> [  +0.000000] PM: Registered nosave memory: [mem 0x5147f000-0x5947efff]
> [  +0.000001] PM: Registered nosave memory: [mem 0x5947f000-0x5b87efff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x6d266000-0x6d2ebfff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x70000000-0x8fffffff]
> [  +0.000001] PM: Registered nosave memory: [mem 0x90000000-0xfed1bfff]
> [  +0.000001] PM: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff]
> [  +0.000000] PM: Registered nosave memory: [mem 0xfed20000-0xfeffffff]
> [  +0.000001] PM: Registered nosave memory: [mem 0xff000000-0xffffffff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x1000000000-0xff7fffffff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x11000000000-0x7ffffffffff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x81000000000-0x8ffffffffff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x91000000000-0xfffffffffff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x101000000000-0x10ffffffffff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x111000000000-0x17ffffffffff]
> [  +0.000002] PM: Registered nosave memory: [mem 0x181000000000-0x18ffffffffff]
> [  +0.000002] [mem 0x90000000-0xfed1bfff] available for PCI devices
> [  +0.000002] Booting paravirtualized kernel on bare hardware
> [  +0.000004] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
> [  +0.112298] random: get_random_bytes called from start_kernel+0x8f/0x510 with crng_init=0
> [  +0.000008] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:288 nr_cpu_ids:288 nr_node_ids:8
> [  +0.049374] percpu: Embedded 46 pages/cpu @(____ptrval____) s151552 r8192 d28672 u262144
> [  +0.000022] pcpu-alloc: s151552 r8192 d28672 u262144 alloc=1*2097152
> [  +0.000001] pcpu-alloc: [0] 000 001 002 003 004 005 006 007 
> [  +0.000002] pcpu-alloc: [0] 008 009 010 011 012 013 014 015 
> [  +0.000002] pcpu-alloc: [0] 016 017 144 145 146 147 148 149 
> [  +0.000002] pcpu-alloc: [0] 150 151 152 153 154 155 156 157 
> [  +0.000002] pcpu-alloc: [0] 158 159 160 161 --- --- --- --- 
> [  +0.000002] pcpu-alloc: [1] 018 019 020 021 022 023 024 025 
> [  +0.000002] pcpu-alloc: [1] 026 027 028 029 030 031 032 033 
> [  +0.000002] pcpu-alloc: [1] 034 035 162 163 164 165 166 167 
> [  +0.000002] pcpu-alloc: [1] 168 169 170 171 172 173 174 175 
> [  +0.000002] pcpu-alloc: [1] 176 177 178 179 --- --- --- --- 
> [  +0.000001] pcpu-alloc: [2] 036 037 038 039 040 041 042 043 
> [  +0.000002] pcpu-alloc: [2] 044 045 046 047 048 049 050 051 
> [  +0.000002] pcpu-alloc: [2] 052 053 180 181 182 183 184 185 
> [  +0.000002] pcpu-alloc: [2] 186 187 188 189 190 191 192 193 
> [  +0.000001] pcpu-alloc: [2] 194 195 196 197 --- --- --- --- 
> [  +0.000002] pcpu-alloc: [3] 054 055 056 057 058 059 060 061 
> [  +0.000002] pcpu-alloc: [3] 062 063 064 065 066 067 068 069 
> [  +0.000001] pcpu-alloc: [3] 070 071 198 199 200 201 202 203 
> [  +0.000002] pcpu-alloc: [3] 204 205 206 207 208 209 210 211 
> [  +0.000002] pcpu-alloc: [3] 212 213 214 215 --- --- --- --- 
> [  +0.000002] pcpu-alloc: [4] 072 073 074 075 076 077 078 079 
> [  +0.000001] pcpu-alloc: [4] 080 081 082 083 084 085 086 087 
> [  +0.000002] pcpu-alloc: [4] 088 089 216 217 218 219 220 221 
> [  +0.000002] pcpu-alloc: [4] 222 223 224 225 226 227 228 229 
> [  +0.000001] pcpu-alloc: [4] 230 231 232 233 --- --- --- --- 
> [  +0.000002] pcpu-alloc: [5] 090 091 092 093 094 095 096 097 
> [  +0.000002] pcpu-alloc: [5] 098 099 100 101 102 103 104 105 
> [  +0.000002] pcpu-alloc: [5] 106 107 234 235 236 237 238 239 
> [  +0.000001] pcpu-alloc: [5] 240 241 242 243 244 245 246 247 
> [  +0.000002] pcpu-alloc: [5] 248 249 250 251 --- --- --- --- 
> [  +0.000002] pcpu-alloc: [6] 108 109 110 111 112 113 114 115 
> [  +0.000001] pcpu-alloc: [6] 116 117 118 119 120 121 122 123 
> [  +0.000002] pcpu-alloc: [6] 124 125 252 253 254 255 256 257 
> [  +0.000002] pcpu-alloc: [6] 258 259 260 261 262 263 264 265 
> [  +0.000002] pcpu-alloc: [6] 266 267 268 269 --- --- --- --- 
> [  +0.000001] pcpu-alloc: [7] 126 127 128 129 130 131 132 133 
> [  +0.000002] pcpu-alloc: [7] 134 135 136 137 138 139 140 141 
> [  +0.000002] pcpu-alloc: [7] 142 143 270 271 272 273 274 275 
> [  +0.000002] pcpu-alloc: [7] 276 277 278 279 280 281 282 283 
> [  +0.000002] pcpu-alloc: [7] 284 285 286 287 --- --- --- --- 
> [  +0.000107] Built 8 zonelists, mobility grouping on.  Total pages: 132005835
> [  +0.000002] Policy zone: Normal
> ...
> 
> [  +0.204580] Memory: 2325688K/536404768K available (12293K kernel code, 2027K rwdata, 3776K rodata, 2184K init, 6636K bss, 8797012K reserved, 0K cma-reserved)
> [  +0.001683] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=288, Nodes=8
> [  +0.000052] Kernel/User page tables isolation: enabled
> [  +0.000426] ftrace: allocating 35377 entries in 139 pages
> [  +0.021237] rcu: Hierarchical RCU implementation.
> [  +0.000002] rcu: 	RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=288.
> [  +0.000002] rcu: RCU calculated value of scheduler-enlistment delay is 101 jiffies.
> [  +0.000001] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=288
> [  +0.003214] NR_IRQS: 524544, nr_irqs: 5992, preallocated irqs: 16
> [  +0.001105] Console: colour dummy device 80x25
> [Nov13 20:39] printk: console [ttyS0] enabled
> [  +0.005001] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
> [  +0.011182] ACPI: Core revision 20181003
> [  +0.005805] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns
> [  +0.009097] hpet clockevent registered
> ......
> 
> [Nov13 20:50] perf: interrupt took too long (2574 > 2500), lowering kernel.perf_event_max_sample_rate to 77000
> [ +20.272777] perf: interrupt took too long (3314 > 3217), lowering kernel.perf_event_max_sample_rate to 60000
> [Nov13 20:51] perf: interrupt took too long (4321 > 4142), lowering kernel.perf_event_max_sample_rate to 46000
> [ +45.906576] perf: interrupt took too long (5647 > 5401), lowering kernel.perf_event_max_sample_rate to 35000
> [Nov13 20:52] Offlined Pages 524288
> [  +0.574439] Offlined Pages 524288
> [  +0.593419] Offlined Pages 524288
> [  +0.500564] Offlined Pages 524288
> [  +0.553186] Offlined Pages 524288
> [  +0.477400] Offlined Pages 524288
> [  +0.520972] Offlined Pages 524288
> [  +0.463266] Offlined Pages 524288
> [  +0.473460] perf: interrupt took too long (7185 > 7058), lowering kernel.perf_event_max_sample_rate to 27000
> [  +0.032534] Offlined Pages 524288
> [  +0.444235] Offlined Pages 524288
> [  +0.518495] Offlined Pages 524288
> [  +0.487940] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 1.716 msecs
> [  +0.008121] perf: interrupt took too long (18018 > 8981), lowering kernel.perf_event_max_sample_rate to 11000
> [  +0.006241] Offlined Pages 524288
> [  +0.558948] Offlined Pages 524288
> [  +0.438755] Offlined Pages 524288
> [  +0.469419] Offlined Pages 524288
> [  +0.509457] Offlined Pages 524288
> [  +0.750845] Offlined Pages 524288
> [  +0.899944] Offlined Pages 524288
> [  +0.522106] Offlined Pages 524288
> [  +0.526590] Offlined Pages 524288
> [  +0.496809] Offlined Pages 524288
> [  +0.568061] Offlined Pages 524288
> [  +0.476875] Offlined Pages 524288
> [  +0.544439] Offlined Pages 524288
> [  +0.474484] Offlined Pages 524288
> [  +0.525214] Offlined Pages 524288
> [  +0.672724] Offlined Pages 524288
> [  +0.546363] Offlined Pages 524288
> [  +0.706927] Offlined Pages 524288
> [  +0.777087] Offlined Pages 524288
> [  +1.891640] Offlined Pages 524288
> [Nov13 20:53] INFO: NMI handler (ghes_notify_nmi) took too long to run: 2.157 msecs
> [  +5.052582] Offlined Pages 524288
> [  +0.073194] Built 8 zonelists, mobility grouping on.  Total pages: 114952219
> [  +0.007203] Policy zone: Normal
> [Nov13 20:54] Offlined Pages 524288
> [ +13.581974] Offlined Pages 524288
> [ +10.806998] Offlined Pages 524288
> [  +6.455132] Offlined Pages 524288
> [  +4.448912] Offlined Pages 524288
> [  +4.878278] Offlined Pages 524288
> [  +5.778869] Offlined Pages 524288
> [  +7.543838] Offlined Pages 524288
> [Nov13 20:55] Offlined Pages 524288
> [  +6.399930] Offlined Pages 524288
> [  +7.095958] Offlined Pages 524288
> [  +4.553672] Offlined Pages 524288
> [  +6.662938] Offlined Pages 524288
> [  +4.527867] Offlined Pages 524288
> [  +4.299780] Offlined Pages 524288
> [  +2.716266] Offlined Pages 524288
> [  +2.477986] Offlined Pages 524288
> [  +4.372535] Offlined Pages 524288
> [  +1.821682] Offlined Pages 524288
> [  +3.036448] Offlined Pages 524288
> [  +1.807979] Offlined Pages 524288
> [  +1.846016] Offlined Pages 524288
> [  +1.672556] Offlined Pages 524288
> [  +1.834171] Offlined Pages 524288
> [Nov13 20:56] Offlined Pages 524288
> [  +2.195826] Offlined Pages 524288
> [  +3.364334] Offlined Pages 524288
> [  +8.256705] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.091 msecs
> [  +0.008100] perf: interrupt took too long (25461 > 22522), lowering kernel.perf_event_max_sample_rate to 7000
> [  +3.797401] Offlined Pages 524288
> [Nov13 20:58] Offlined Pages 524288
> [ +34.185985] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.101 msecs
> [Nov13 21:00] Offlined Pages 524288
> [Nov13 21:01] INFO: NMI handler (ghes_notify_nmi) took too long to run: 2.198 msecs
> [Nov13 21:02] Offlined Pages 524288
> [Nov13 21:03] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.108 msecs
> [Nov13 21:04] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.193 msecs
> [Nov13 21:05] INFO: task kworker/181:1:1187 blocked for more than 120 seconds.
> [  +0.007169]       Not tainted 4.20.0-rc2+ #4
> [  +0.004630] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.008001] kworker/181:1   D    0  1187      2 0x80000000
> [  +0.005711] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006467] Call Trace:
> [  +0.002591]  ? __schedule+0x24e/0x880
> [  +0.004995]  schedule+0x28/0x80
> [  +0.003380]  rwsem_down_read_failed+0x103/0x190
> [  +0.006528]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004937]  __percpu_down_read+0x4f/0x80
> [  +0.004204]  get_online_mems+0x2d/0x30
> [  +0.003871]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004740]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.004986]  process_one_work+0x1a1/0x3a0
> [  +0.004255]  worker_thread+0x30/0x380
> [  +0.003764]  ? drain_workqueue+0x120/0x120
> [  +0.004238]  kthread+0x112/0x130
> [  +0.003320]  ? kthread_park+0x80/0x80
> [  +0.003796]  ret_from_fork+0x35/0x40
> [  +0.003707] INFO: task kworker/183:1:1189 blocked for more than 120 seconds.
> [  +0.007124]       Not tainted 4.20.0-rc2+ #4
> [  +0.004363] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.009522] kworker/183:1   D    0  1189      2 0x80000000
> [  +0.005640] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006512] Call Trace:
> [  +0.002675]  ? __schedule+0x24e/0x880
> [  +0.003862]  schedule+0x28/0x80
> [  +0.003351]  rwsem_down_read_failed+0x103/0x190
> [  +0.004714]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004985]  __percpu_down_read+0x4f/0x80
> [  +0.004177]  get_online_mems+0x2d/0x30
> [  +0.003886]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004660]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.005050]  process_one_work+0x1a1/0x3a0
> [  +0.004175]  worker_thread+0x30/0x380
> [  +0.005972]  ? drain_workqueue+0x120/0x120
> [  +0.004206]  kthread+0x112/0x130
> [  +0.003387]  ? kthread_park+0x80/0x80
> [  +0.003821]  ret_from_fork+0x35/0x40
> [  +0.003727] INFO: task kworker/188:1:1194 blocked for more than 120 seconds.
> [  +0.007136]       Not tainted 4.20.0-rc2+ #4
> [  +0.004378] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.007909] kworker/188:1   D    0  1194      2 0x80000000
> [  +0.005626] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006464] Call Trace:
> [  +0.002563]  ? __schedule+0x24e/0x880
> [  +0.003765]  schedule+0x28/0x80
> [  +0.008841]  rwsem_down_read_failed+0x103/0x190
> [  +0.004669]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004857]  __percpu_down_read+0x4f/0x80
> [  +0.004130]  get_online_mems+0x2d/0x30
> [  +0.003839]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004599]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.005010]  process_one_work+0x1a1/0x3a0
> [  +0.004144]  worker_thread+0x30/0x380
> [  +0.003728]  ? drain_workqueue+0x120/0x120
> [  +0.004288]  kthread+0x112/0x130
> [  +0.003421]  ? kthread_park+0x80/0x80
> [  +0.003819]  ret_from_fork+0x35/0x40
> [  +0.004499] INFO: task kworker/204:1:1672 blocked for more than 120 seconds.
> [  +0.007121]       Not tainted 4.20.0-rc2+ #4
> [  +0.005935] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.007887] kworker/204:1   D    0  1672      2 0x80000000
> [  +0.005691] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006437] Call Trace:
> [  +0.002575]  ? __schedule+0x24e/0x880
> [  +0.003773]  schedule+0x28/0x80
> [  +0.003335]  rwsem_down_read_failed+0x103/0x190
> [  +0.004580]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.005135]  __percpu_down_read+0x4f/0x80
> [  +0.004215]  get_online_mems+0x2d/0x30
> [  +0.003912]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004713]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.005067]  process_one_work+0x1a1/0x3a0
> [  +0.005878]  worker_thread+0x30/0x380
> [  +0.003923]  ? drain_workqueue+0x120/0x120
> [  +0.004298]  kthread+0x112/0x130
> [  +0.003479]  ? kthread_park+0x80/0x80
> [  +0.003834]  ret_from_fork+0x35/0x40
> [  +0.003743] INFO: task kworker/215:1:1679 blocked for more than 120 seconds.
> [  +0.007222]       Not tainted 4.20.0-rc2+ #4
> [  +0.004411] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.007957] kworker/215:1   D    0  1679      2 0x80000000
> [  +0.005676] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006514] Call Trace:
> [  +0.002544]  ? __schedule+0x24e/0x880
> [  +0.003836]  schedule+0x28/0x80
> [  +0.005306]  rwsem_down_read_failed+0x103/0x190
> [  +0.004652]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004966]  __percpu_down_read+0x4f/0x80
> [  +0.004170]  get_online_mems+0x2d/0x30
> [  +0.003940]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004586]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.005051]  process_one_work+0x1a1/0x3a0
> [  +0.004122]  worker_thread+0x30/0x380
> [  +0.003850]  ? drain_workqueue+0x120/0x120
> [  +0.004260]  kthread+0x112/0x130
> [  +0.003462]  ? kthread_park+0x80/0x80
> [  +0.003843]  ret_from_fork+0x35/0x40
> [Nov13 21:07] perf: interrupt took too long (34033 > 31826), lowering kernel.perf_event_max_sample_rate to 5000
> [ +15.568475] INFO: task kworker/181:1:1187 blocked for more than 120 seconds.
> [  +0.007070]       Not tainted 4.20.0-rc2+ #4
> [  +0.004302] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.007962] kworker/181:1   D    0  1187      2 0x80000000
> [  +0.005563] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006391] Call Trace:
> [  +0.002541]  ? __schedule+0x24e/0x880
> [  +0.003706]  schedule+0x28/0x80
> [  +0.003186]  rwsem_down_read_failed+0x103/0x190
> [  +0.006117]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004882]  __percpu_down_read+0x4f/0x80
> [  +0.004101]  get_online_mems+0x2d/0x30
> [  +0.003809]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004585]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.004967]  process_one_work+0x1a1/0x3a0
> [  +0.004058]  worker_thread+0x30/0x380
> [  +0.003693]  ? drain_workqueue+0x120/0x120
> [  +0.004139]  kthread+0x112/0x130
> [  +0.003262]  ? kthread_park+0x80/0x80
> [  +0.006287]  ret_from_fork+0x35/0x40
> [  +0.003654] INFO: task kworker/183:1:1189 blocked for more than 120 seconds.
> [  +0.007101]       Not tainted 4.20.0-rc2+ #4
> [  +0.004300] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.009789] kworker/183:1   D    0  1189      2 0x80000000
> [  +0.005572] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006420] Call Trace:
> [  +0.002515]  ? __schedule+0x24e/0x880
> [  +0.005508]  schedule+0x28/0x80
> [  +0.003220]  rwsem_down_read_failed+0x103/0x190
> [  +0.004620]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004852]  __percpu_down_read+0x4f/0x80
> [  +0.004080]  get_online_mems+0x2d/0x30
> [  +0.003820]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004593]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.004985]  process_one_work+0x1a1/0x3a0
> [  +0.004082]  worker_thread+0x30/0x380
> [  +0.007119]  ? drain_workqueue+0x120/0x120
> [  +0.004147]  kthread+0x112/0x130
> [  +0.003268]  ? kthread_park+0x80/0x80
> [  +0.003708]  ret_from_fork+0x35/0x40
> [  +0.003619] INFO: task kworker/188:1:1194 blocked for more than 120 seconds.
> [  +0.007080]       Not tainted 4.20.0-rc2+ #4
> [  +0.004300] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.007845] kworker/188:1   D    0  1194      2 0x80000000
> [  +0.005542] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006379] Call Trace:
> [  +0.002558]  ? __schedule+0x24e/0x880
> [  +0.003700]  schedule+0x28/0x80
> [  +0.003188]  rwsem_down_read_failed+0x103/0x190
> [  +0.006625]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004868]  __percpu_down_read+0x4f/0x80
> [  +0.004059]  get_online_mems+0x2d/0x30
> [  +0.003813]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004621]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.004991]  process_one_work+0x1a1/0x3a0
> [  +0.004071]  worker_thread+0x30/0x380
> [  +0.003702]  ? drain_workqueue+0x120/0x120
> [  +0.004142]  kthread+0x112/0x130
> [  +0.003284]  ? kthread_park+0x80/0x80
> [  +0.003714]  ret_from_fork+0x35/0x40
> [  +0.005858] INFO: task kworker/204:1:1672 blocked for more than 120 seconds.
> [  +0.007068]       Not tainted 4.20.0-rc2+ #4
> [  +0.006282] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.007839] kworker/204:1   D    0  1672      2 0x80000000
> [  +0.005583] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006410] Call Trace:
> [  +0.002544]  ? __schedule+0x24e/0x880
> [  +0.003795]  schedule+0x28/0x80
> [  +0.003191]  rwsem_down_read_failed+0x103/0x190
> [  +0.004608]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004856]  __percpu_down_read+0x4f/0x80
> [  +0.004058]  get_online_mems+0x2d/0x30
> [  +0.003793]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004601]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.004928]  process_one_work+0x1a1/0x3a0
> [  +0.006197]  worker_thread+0x30/0x380
> [  +0.003709]  ? drain_workqueue+0x120/0x120
> [  +0.004137]  kthread+0x112/0x130
> [  +0.003287]  ? kthread_park+0x80/0x80
> [  +0.003716]  ret_from_fork+0x35/0x40
> [  +0.003674] INFO: task kworker/215:1:1679 blocked for more than 120 seconds.
> [  +0.007096]       Not tainted 4.20.0-rc2+ #4
> [  +0.004312] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.007836] kworker/215:1   D    0  1679      2 0x80000000
> [  +0.005555] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006370] Call Trace:
> [  +0.002503]  ? __schedule+0x24e/0x880
> [  +0.003692]  schedule+0x28/0x80
> [  +0.003180]  rwsem_down_read_failed+0x103/0x190
> [  +0.006669]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004854]  __percpu_down_read+0x4f/0x80
> [  +0.004067]  get_online_mems+0x2d/0x30
> [  +0.003784]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004586]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.004969]  process_one_work+0x1a1/0x3a0
> [  +0.004068]  worker_thread+0x30/0x380
> [  +0.003727]  ? drain_workqueue+0x120/0x120
> [  +0.004147]  kthread+0x112/0x130
> [  +0.003257]  ? kthread_park+0x80/0x80
> [  +0.003704]  ret_from_fork+0x35/0x40
> [Nov13 21:08] INFO: NMI handler (ghes_notify_nmi) took too long to run: 2.284 msecs
> [Nov13 21:13] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.220 msecs
> [Nov13 21:15] perf: interrupt took too long (43043 > 42541), lowering kernel.perf_event_max_sample_rate to 4000
> [Nov13 21:18] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.230 msecs
> [ +21.096246] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.253 msecs
> [Nov13 21:25] sysrq: SysRq : Show State
> [  +0.003680]   task                        PC stack   pid father
> [  +0.007945] systemd         S    0     1      0 0x00000000
> [  +0.005495] Call Trace:
> [  +0.002516]  ? __schedule+0x24e/0x880
> [  +0.003686]  schedule+0x28/0x80
> [  +0.003154]  schedule_hrtimeout_range_clock+0x18d/0x1a0
> [  +0.005259]  ? ep_scan_ready_list.constprop.21+0x1f0/0x220
> [  +0.005490]  ep_poll+0x3b7/0x3f0
> [  +0.003258]  ? wake_up_q+0x70/0x70
> [  +0.003406]  do_epoll_wait+0xb0/0xd0
> [  +0.003588]  __x64_sys_epoll_wait+0x1a/0x20
> [  +0.004216]  do_syscall_64+0x55/0x1a0
> [  +0.003680]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [  +0.005065] RIP: 0033:0x7f12d9099cc7
> [  +0.003596] Code: Bad RIP value.
> [  +0.003240] RSP: 002b:00007ffd5e90fca0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
> [  +0.009502] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12d9099cc7
> [  +0.007123] RDX: 0000000000000043 RSI: 00007ffd5e90fce0 RDI: 0000000000000004
> [  +0.007128] RBP: 00007ffd5e90fce0 R08: 0000000000000000 R09: 7465677261742e79
> [  +0.007130] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000043
> [  +0.007131] R13: 00000000ffffffff R14: 00007ffd5e90fce0 R15: 0000000000000001
> [  +0.007328] kthreadd        S    0     2      0 0x80000000
> [  +0.005486] Call Trace:
> [  +0.002464]  ? __schedule+0x24e/0x880
> [  +0.003674]  schedule+0x28/0x80
> [  +0.003159]  kthreadd+0x2d1/0x2f0
> [  +0.003327]  ? kthread_create_on_cpu+0xa0/0xa0
> [  +0.006395]  ret_from_fork+0x35/0x40
> [  +0.003731] rcu_gp          I    0     3      2 0x80000000
> [  +0.005489] Call Trace:
> [  +0.002461]  ? __schedule+0x24e/0x880
> [  +0.003674]  schedule+0x28/0x80
> [  +0.003171]  rescuer_thread+0x2e2/0x340
> [  +0.003847]  ? worker_thread+0x380/0x380
> [  +0.003939]  kthread+0x112/0x130
> [  +0.003249]  ? kthread_park+0x80/0x80
> [  +0.003673]  ret_from_fork+0x35/0x40
> [  +0.003719] rcu_par_gp      I    0     4      2 0x80000000
> [  +0.005496] Call Trace:
> [  +0.002477]  ? __schedule+0x24e/0x880
> [  +0.003688]  schedule+0x28/0x80
> [  +0.003155]  rescuer_thread+0x2e2/0x340
> [  +0.003844]  ? worker_thread+0x380/0x380
> [  +0.005520]  kthread+0x112/0x130
> [  +0.003242]  ? kthread_park+0x80/0x80
> [  +0.003671]  ret_from_fork+0x35/0x40
> [  +0.003745] kworker/0:0     I    0     5      2 0x80000000
> [  +0.005500] Workqueue:            (null) (events)
> [  +0.004717] Call Trace:
> [  +0.002469]  ? __schedule+0x24e/0x880
> [  +0.003696]  schedule+0x28/0x80
> [  +0.003159]  worker_thread+0xb2/0x380
> [  +0.003685]  ? drain_workqueue+0x120/0x120
> [  +0.004108]  kthread+0x112/0x130
> [  +0.003247]  ? kthread_park+0x80/0x80
> [  +0.003676]  ret_from_fork+0x35/0x40
> [  +0.003735] kworker/0:0H    I    0     6      2 0x80000000
> [  +0.005504] Workqueue:            (null) (events_highpri)
> [  +0.005403] Call Trace:
> [  +0.004097]  ? __schedule+0x24e/0x880
> [  +0.003682]  ? flush_backlog+0x3c/0x130
> [  +0.003852]  schedule+0x28/0x80
> [  +0.003154]  worker_thread+0xb2/0x380
> [  +0.003689]  ? drain_workqueue+0x120/0x120
> [  +0.004108]  kthread+0x112/0x130
> [  +0.003235]  ? kthread_park+0x80/0x80
> [  +0.003685]  ret_from_fork+0x35/0x40
> [  +0.003734] kworker/u576:0  R  running task        0     8      2 0x80000000
> [  +0.007062] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
> [  +0.005398] Call Trace:
> [  +0.002476]  ? page_vma_mapped_walk+0x307/0x710
> [  +0.004538]  ? page_remove_rmap+0xa2/0x340
> [  +0.004104]  ? ptep_clear_flush+0x54/0x60
> [  +0.004027]  ? enqueue_entity+0x11c/0x620
> [  +0.005904]  ? schedule+0x28/0x80
> [  +0.003336]  ? rmap_walk_file+0xf9/0x270
> [  +0.003940]  ? try_to_unmap+0x9c/0xf0
> [  +0.003695]  ? migrate_pages+0x2b0/0xb90
> [  +0.003959]  ? try_offline_node+0x160/0x160
> [  +0.004214]  ? __offline_pages+0x6ce/0x8e0
> [  +0.004134]  ? memory_subsys_offline+0x40/0x60
> [  +0.004474]  ? device_offline+0x81/0xb0
> [  +0.003867]  ? acpi_bus_offline+0xdb/0x140
> [  +0.004117]  ? acpi_device_hotplug+0x21c/0x460
> [  +0.004458]  ? acpi_hotplug_work_fn+0x1a/0x30
> [  +0.004372]  ? process_one_work+0x1a1/0x3a0
> [  +0.004195]  ? worker_thread+0x30/0x380
> [  +0.003851]  ? drain_workqueue+0x120/0x120
> [  +0.004117]  ? kthread+0x112/0x130
> [  +0.003411]  ? kthread_park+0x80/0x80
> [  +0.005325]  ? ret_from_fork+0x35/0x40
> [  +0.003918] mm_percpu_wq    I    0     9      2 0x80000000
> [  +0.005495] Workqueue:            (null) (mm_percpu_wq)
> [  +0.005227] Call Trace:
> [  +0.002468]  ? __schedule+0x24e/0x880
> [  +0.003671]  schedule+0x28/0x80
> [  +0.003160]  rescuer_thread+0x2e2/0x340
> [  +0.003850]  ? worker_thread+0x380/0x380
> [  +0.003930]  kthread+0x112/0x130
> [  +0.003244]  ? kthread_park+0x80/0x80
> [  +0.003678]  ret_from_fork+0x35/0x40
> [  +0.003713] ksoftirqd/0     S    0    10      2 0x80000000
> [  +0.005486] Call Trace:
> [  +0.002462]  ? __schedule+0x24e/0x880
> [  +0.003684]  ? __do_softirq+0x19c/0x2fe
> [  +0.003855]  ? sort_range+0x20/0x20
> [  +0.005179]  schedule+0x28/0x80
> [  +0.003155]  smpboot_thread_fn+0x10b/0x160
> [  +0.004103]  kthread+0x112/0x130
> [  +0.003254]  ? kthread_park+0x80/0x80
> [  +0.003673]  ret_from_fork+0x35/0x40
> [  +0.003774] rcu_sched       I    0    11      2 0x80000000
> [  +0.005486] Call Trace:
> [  +0.002465]  ? __schedule+0x24e/0x880
> [  +0.003679]  schedule+0x28/0x80
> [  +0.003162]  schedule_timeout+0x16b/0x390
> [  +0.004054]  ? __next_timer_interrupt+0xc0/0xc0
> [  +0.004556]  rcu_gp_kthread+0x42f/0x890
> [  +0.003885]  ? rcu_eqs_enter.constprop.60+0xa0/0xa0
> [  +0.004885]  kthread+0x112/0x130
> [  +0.003241]  ? kthread_park+0x80/0x80
> [  +0.003679]  ret_from_fork+0x35/0x40
> [  +0.005679] migration/0     S    0    12      2 0x80000000
> [  +0.005486] Call Trace:
> [  +0.002487]  ? __schedule+0x24e/0x880
> [  +0.003677]  ? sort_range+0x20/0x20
> [  +0.003509]  schedule+0x28/0x80
> [  +0.003156]  smpboot_thread_fn+0x10b/0x160
> [  +0.004101]  kthread+0x112/0x130
> [  +0.003248]  ? kthread_park+0x80/0x80
> [  +0.003677]  ret_from_fork+0x35/0x40
> [  +0.003720] kworker/0:1     I    0    13      2 0x80000000
> 
> ......
> 
> [  +0.011300] Showing busy workqueues and worker pools:
> [  +0.006762] workqueue mm_percpu_wq: flags=0x8
> [  +0.004453]   pwq 432: cpus=216 node=4 flags=0x0 nice=0 active=1/256
> [  +0.006336]     pending: vmstat_update
> [  +0.004001]   pwq 116: cpus=58 node=3 flags=0x0 nice=0 active=1/256
> [  +0.006278]     pending: vmstat_update
> [  +0.004654] workqueue memcg_kmem_cache: flags=0x0
> [  +0.006686]   pwq 430: cpus=215 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006164]     in-flight: 1679:memcg_kmem_cache_create_func
> [  +0.005649]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000046] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087324] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090665] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.138852]   pwq 424: cpus=212 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006164]     in-flight: 1678:memcg_kmem_cache_create_func
> [  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000038] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087473] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090684] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.133351]   pwq 422: cpus=211 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006161]     in-flight: 1675:memcg_kmem_cache_create_func
> [  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000039] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087380] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090542] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.134096]   pwq 420: cpus=210 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006158]     in-flight: 1674:memcg_kmem_cache_create_func
> [  +0.005641]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000042] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089204] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089119] , memcg_kmem_cache_create_func
> [  +0.007636] watchdog: BUG: soft lockup - CPU#216 stuck for 22s! [migration/216:1295]
> [  +0.081071] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000052] , memcg_kmem_cache_create_func
> [  +0.004076] Modules linked in:
> [  +0.009643] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000062] , memcg_kmem_cache_create_func
> [  +0.089190]  vfat
> [  +0.004048] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000067] , memcg_kmem_cache_create_func
> [  +0.003042]  fat
> [  +0.090462] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.004130]  intel_rapl sb_edac x86_pkg_temp_thermal coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_uncore iTCO_wdt iTCO_vendor_support ses joydev intel_rapl_perf enclosure scsi_transport_sas ipmi_si ipmi_devintf pcspkr ipmi_msghandler sg lpc_ich i2c_i801 mei_me mei xfs libcrc32c sd_mod crc32c_intel igb ahci libahci i2c_algo_bit dca libata megaraid_sas wmi dm_mirror dm_region_hash dm_log dm_mod
> [  +0.001959]   pwq 412: cpus=206 node=3 flags=0x0 nice=0 active=1/1
> [  +0.089072] CPU: 216 PID: 1295 Comm: migration/216 Tainted: G             L    4.20.0-rc2+ #4
> [  +0.004073]     in-flight: 1665:memcg_kmem_cache_create_func
> [  +0.001855] Hardware name:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
> [  +0.039783]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000072] , memcg_kmem_cache_create_func
> [  +0.039548] RIP: 0010:multi_cpu_stop+0x42/0xe0
> [  +0.008079] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000063] , memcg_kmem_cache_create_func
> [  +0.008491] Code: 1d f3 71 ea 7e 9c 41 5f 48 8b 47 18 48 85 c0 0f 84 88 00 00 00 89 db 48 0f a3 18 41 0f 92 c6 4c 8d 65 24 31 c0 45 31 ed f3 90 <8b> 5d 20 44 39 eb 74 3c 83 fb 02 74 51 83 fb 03 75 12 45 84 f6 74
> [  +0.005612] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000053] , memcg_kmem_cache_create_func
> [  +0.006231] RSP: 0000:ffffc9000f803e78 EFLAGS: 00000246
> [  +0.086898] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000053] , memcg_kmem_cache_create_func
> [  +0.004074]  ORIG_RAX: ffffffffffffff13
> [  +0.004413] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000066] , memcg_kmem_cache_create_func
> [  +0.090749] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888e7d29c730
> [  +0.004053] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000054] , memcg_kmem_cache_create_func
> [  +0.018694] RDX: ffffc900159dbbf0 RSI: ffffc900159dbbf0 RDI: ffffc900159dbc40
> [  +0.090655] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.004135] RBP: ffffc900159dbc40 R08: 0000028f87366c00 R09: 0000000000000000
> [  +0.005227]   pwq 410: cpus=205 node=3 flags=0x0 nice=0 active=1/1
> [  +0.088661] R10: 00000000aaaaaaa8 R11: 00000000000005b2 R12: ffffc900159dbc64
> [  +0.004067]     in-flight: 1669:memcg_kmem_cache_create_func
> [  +0.003874] R13: 0000000000000001 R14: ffff888e7d29c700 R15: 0000000000000296
> [  +0.090717]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000062] , memcg_kmem_cache_create_func
> [  +0.004080] FS:  0000000000000000(0000) GS:ffff888e7d280000(0000) knlGS:0000000000000000
> [  +0.007083] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000055] , memcg_kmem_cache_create_func
> [  +0.088630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [  +0.004064] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000057] , memcg_kmem_cache_create_func
> [  +0.009125] CR2: 00007ffcee1d5d18 CR3: 0000000daab24001 CR4: 00000000003606e0
> [  +0.032578] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000055] , memcg_kmem_cache_create_func
> [  +0.007090] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [  +0.006143] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000047] , memcg_kmem_cache_create_func
> [  +0.007099] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [  +0.007430] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000060] , memcg_kmem_cache_create_func
> [  +0.007098] Call Trace:
> [  +0.087211] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000052] , memcg_kmem_cache_create_func
> [  +0.004144]  ? __schedule+0x256/0x880
> [  +0.007978] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000070] , memcg_kmem_cache_create_func
> [  +0.090319]  ? cpu_stop_queue_work+0xc0/0xc0
> [  +0.004025] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000047] , memcg_kmem_cache_create_func
> [  +0.005767]  cpu_stopper_thread+0x7a/0x100
> [  +0.088708] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.004175]  ? sort_range+0x20/0x20
> [  +0.007081]   pwq 408: cpus=204 node=3 flags=0x0 nice=0 active=1/1
> [  +0.091040]  smpboot_thread_fn+0xc5/0x160
> [  +0.004033]     in-flight: 1672:memcg_kmem_cache_create_func
> [  +0.007193]  kthread+0x112/0x130
> [  +0.088976]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000059] , memcg_kmem_cache_create_func
> [  +0.005696]  ? kthread_park+0x80/0x80
> [  +0.007048] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000059] , memcg_kmem_cache_create_func
> [  +0.089369]  ret_from_fork+0x35/0x40
> [  +0.003759] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.000058] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.646860] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.143377]   pwq 404: cpus=202 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006163]     in-flight: 1662:memcg_kmem_cache_create_func
> [  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000040] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087036] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.113279]   pwq 402: cpus=201 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006156]     in-flight: 1668:memcg_kmem_cache_create_func
> [  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.033033]   pwq 400: cpus=200 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006161]     in-flight: 1664:memcg_kmem_cache_create_func
> [  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000029] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087416] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.100097]   pwq 398: cpus=199 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006159]     in-flight: 1666:memcg_kmem_cache_create_func
> [  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000040] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087134] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.115426]   pwq 396: cpus=198 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006159]     in-flight: 1671:memcg_kmem_cache_create_func
> [  +0.005637]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000043] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088942] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089064] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090497] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089148] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090326] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088847] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089027] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090567] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088955] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090775] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088721] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088816] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090606] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088833] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.091012] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088703] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090772] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088670] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089054] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.177268]   pwq 376: cpus=188 node=2 flags=0x0 nice=0 active=1/1
> [  +0.006161]     in-flight: 1194:memcg_kmem_cache_create_func
> [  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000043] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.160211]   pwq 366: cpus=183 node=2 flags=0x0 nice=0 active=1/1
> [  +0.006160]     in-flight: 1189:memcg_kmem_cache_create_func
> [  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.045635]   pwq 362: cpus=181 node=2 flags=0x0 nice=0 active=1/1
> [  +0.006159]     in-flight: 1187:memcg_kmem_cache_create_func
> [  +0.005700]   pwq 322: cpus=161 node=0 flags=0x0 nice=0 active=1/1
> [  +0.006163]     in-flight: 1167:memcg_kmem_cache_create_func
> [  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.035685]   pwq 140: cpus=70 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006073]     in-flight: 1075:memcg_kmem_cache_create_func
> [  +0.005641]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000035] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087482] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090983] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089024] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090527] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088900] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090691] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089071] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089030] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090884] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088733] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090737] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088813] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089038] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090421] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088668] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090559] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089029] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.091022] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088829] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.115806]   pwq 138: cpus=69 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006072]     in-flight: 1077:memcg_kmem_cache_create_func
> [  +0.005642]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000039] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087318] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.153628]   pwq 136: cpus=68 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006075]     in-flight: 1076:memcg_kmem_cache_create_func
> [  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000042] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.086933] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.091009] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089082] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090688] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088744] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090707] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088657] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088865] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090808] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088731] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090613] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089019] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088799] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090966] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088625] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090831] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.146462]   pwq 132: cpus=66 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006079]     in-flight: 1072:memcg_kmem_cache_create_func
> [  +0.005642]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000037] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089276] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088760] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090860] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089025] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089034] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.141036]   pwq 130: cpus=65 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006076]     in-flight: 1071:memcg_kmem_cache_create_func
> [  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000035] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.132012]   pwq 128: cpus=64 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006072]     in-flight: 1070:memcg_kmem_cache_create_func
> [  +0.005641]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000045] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087330] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090945] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088761] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.115367]   pwq 126: cpus=63 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006074]     in-flight: 1069:memcg_kmem_cache_create_func
> [  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000037] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089299] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.156967]   pwq 124: cpus=62 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006077]     in-flight: 1068:memcg_kmem_cache_create_func
> [  +0.005631]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000046] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089231] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089045] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.091066] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088918] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090714] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089013] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088776] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.090784]   pwq 122: cpus=61 node=3 flags=0x0 nice=0 active=1/1
> [  +0.066499]     in-flight: 4710:memcg_kmem_cache_create_func
> [  +0.005639]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000037] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.087047] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090873] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088924] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090556] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089049] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088946] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090502] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088684] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.091024] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089045] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090371] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088885] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089042] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.091161] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.131196]   pwq 120: cpus=60 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006075]     in-flight: 1066:memcg_kmem_cache_create_func
> [  +0.005641]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000042] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.086989] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090667] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.139362]   pwq 116: cpus=58 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006071]     in-flight: 1063:memcg_kmem_cache_create_func
> [  +0.005640]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000035] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089254] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088871] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090691] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088691] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088597] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090347] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [Nov13 21:30] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.091023] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089035] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088985] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090761] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088992] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090828] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088984] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090659] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088830] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088703] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090620] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088810] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090675] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088913] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090962] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088864] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088947] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090734] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.089132] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.090393] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_cre
 ate_func
> [  +0.088723] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.176744]   pwq 114: cpus=57 node=3 flags=0x0 nice=0 active=1/1
> [  +0.006073]     in-flight: 1062:memcg_kmem_cache_create_func
> [  +0.005642]     delayed: memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.000045] , memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func, memcg_kmem_cache_create_func
> [  +0.165992] workqueue kacpi_hotplug: flags=0xa0002
> [  +0.004793]   pwq 576: cpus=0-287 flags=0x4 nice=0 active=1/1
> [  +0.005731]     in-flight: 8:acpi_hotplug_work_fn
> [  +0.013716] pool 114: cpus=57 node=3 flags=0x0 nice=0 hung=0s workers=3 idle: 7587 4988
> [  +0.007998] pool 116: cpus=58 node=3 flags=0x0 nice=0 hung=288s workers=3 idle: 7576 3913
> [  +0.008170] pool 120: cpus=60 node=3 flags=0x0 nice=0 hung=107s workers=3 idle: 7592 316
> [  +0.008081] pool 122: cpus=61 node=3 flags=0x0 nice=0 hung=16s workers=3 idle: 7603 1067
> [  +0.009773] pool 124: cpus=62 node=3 flags=0x0 nice=0 hung=236s workers=3 idle: 7602 326
> [  +0.008081] pool 126: cpus=63 node=3 flags=0x0 nice=0 hung=293s workers=3 idle: 7590 331
> [  +0.008190] pool 128: cpus=64 node=3 flags=0x0 nice=0 hung=293s workers=3 idle: 7577 5666
> [  +0.008179] pool 130: cpus=65 node=3 flags=0x0 nice=0 hung=292s workers=3 idle: 7579 5665
> [  +0.008177] pool 132: cpus=66 node=3 flags=0x0 nice=0 hung=295s workers=3 idle: 7605 346
> [  +0.008089] pool 136: cpus=68 node=3 flags=0x0 nice=0 hung=107s workers=3 idle: 7604 356
> [  +0.008082] pool 138: cpus=69 node=3 flags=0x0 nice=0 hung=292s workers=3 idle: 7585 361
> [  +0.009689] pool 140: cpus=70 node=3 flags=0x0 nice=0 hung=290s workers=3 idle: 7567 4993
> [  +0.008293] pool 322: cpus=161 node=0 flags=0x0 nice=0 hung=0s workers=3 idle: 7891 825
> [  +0.008018] pool 362: cpus=181 node=2 flags=0x0 nice=0 hung=2s workers=3 idle: 6062 925
> [  +0.007995] pool 366: cpus=183 node=2 flags=0x0 nice=0 hung=0s workers=3 idle: 5862 935
> [  +0.008003] pool 376: cpus=188 node=2 flags=0x0 nice=0 hung=0s workers=3 idle: 6055 960
> [  +0.008017] pool 396: cpus=198 node=3 flags=0x0 nice=0 hung=16s workers=3 idle: 7571 5287
> [  +0.008176] pool 398: cpus=199 node=3 flags=0x0 nice=0 hung=23s workers=3 idle: 7568 3969
> [  +0.008172] pool 400: cpus=200 node=3 flags=0x0 nice=0 hung=22s workers=3 idle: 7569 1217
> [  +0.010158] pool 402: cpus=201 node=3 flags=0x0 nice=0 hung=22s workers=3 idle: 7893 1222
> [  +0.008181] pool 404: cpus=202 node=3 flags=0x0 nice=0 hung=224s workers=3 idle: 7578 4699
> [  +0.008260] pool 408: cpus=204 node=3 flags=0x0 nice=0 hung=223s workers=3 idle: 6051 1237
> [  +0.008253] pool 410: cpus=205 node=3 flags=0x0 nice=0 hung=144s workers=3 idle: 7601 1242
> [  +0.008265] pool 412: cpus=206 node=3 flags=0x0 nice=0 hung=261s workers=3 idle: 7606 1247
> [  +0.008256] pool 420: cpus=210 node=3 flags=0x0 nice=0 hung=220s workers=3 idle: 7607 1267
> [  +0.008251] pool 422: cpus=211 node=3 flags=0x0 nice=0 hung=269s workers=3 idle: 7582 1272
> [  +0.010228] pool 424: cpus=212 node=3 flags=0x0 nice=0 hung=219s workers=3 idle: 7619 1277
> [  +0.008260] pool 430: cpus=215 node=3 flags=0x0 nice=0 hung=217s workers=3 idle: 6050 1292
> [  +0.008377] pool 576: cpus=0-287 flags=0x4 nice=0 hung=2182s workers=2 idle: 1774
> [  +0.007568] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
> [  +0.000009] clocksource: timekeeping watchdog on CPU58: Marking clocksource 'tsc' as unstable because the skew is too large:
> [  +0.000031] rcu: 	58-....: (38973 ticks this GP) idle=156/1/0x4000000000000000 softirq=83053/83053 fqs=54344 
> [  +0.005884] clocksource:                       'hpet' wd_now: 374c60ca wd_last: b4cdce7c mask: ffffffff
> [  +0.011175] rcu: 	(detected by 197, t=288575 jiffies, g=108005, q=261412)
> [  +0.009892] clocksource:                       'tsc' cs_now: 7a398a46bd4 cs_last: 74e27405334 mask: ffffffffffffffff
> [  +0.011301] Sending NMI from CPU 197 to CPUs 58:
> [  +0.000168] NMI backtrace for cpu 58
> [  +0.000002] CPU: 58 PID: 305 Comm: ksoftirqd/58 Tainted: G             L    4.20.0-rc2+ #4
> [  +0.000001] Hardware name:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
> [  +0.000001] RIP: 0010:vprintk_emit+0x1d2/0x230
> [  +0.000002] Code: 01 c6 07 00 0f 1f 40 00 0f b6 05 19 ed 8d 01 48 c7 c2 20 12 9f 82 84 c0 74 09 f3 90 0f b6 02 84 c0 75 f7 e8 e0 0a 00 00 55 9d <e8> 29 ee ff ff e8 e4 fd ff ff e9 5d ff ff ff 80 3d a0 cc 2d 01 00
> [  +0.000001] RSP: 0018:ffffc9000d913ce0 EFLAGS: 00000202
> [  +0.000002] RAX: 0000000000000000 RBX: 0000000000000068 RCX: 0000000000000068
> [  +0.000001] RDX: ffffffff829f1220 RSI: 0000000000000002 RDI: ffffffff829f1230
> [  +0.000001] RBP: 0000000000000202 R08: 0000000000000002 R09: 0000000000021640
> [  +0.000000] R10: 000007a39c812a4c R11: 00000000000a8c14 R12: 0000000000000001
> [  +0.000000] R13: 0000000000000001 R14: 000000000000e5de R15: ffffc9000d913d38
> [  +0.000001] FS:  0000000000000000(0000) GS:ffff888e7d900000(0000) knlGS:0000000000000000
> [  +0.000001] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [  +0.000000] CR2: 00007f7e8c212b1e CR3: 0000000e474ae006 CR4: 00000000003606e0
> [  +0.000001] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [  +0.000000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [  +0.000000] Call Trace:
> [  +0.000001]  printk+0x58/0x6f
> [  +0.000000]  ? __switch_to_asm+0x40/0x70
> [  +0.000000]  clocksource_watchdog+0x2da/0x2f0
> [  +0.000001]  ? __clocksource_unstable+0x60/0x60
> [  +0.000000]  call_timer_fn+0x2b/0x130
> [  +0.000000]  run_timer_softirq+0x3b9/0x3f0
> [  +0.000001]  ? __switch_to_asm+0x40/0x70
> [  +0.000000]  ? __switch_to_asm+0x34/0x70
> [  +0.000000]  ? __switch_to_asm+0x40/0x70
> [  +0.000000]  ? __switch_to_asm+0x34/0x70
> [  +0.000001]  ? __switch_to_asm+0x40/0x70
> [  +0.000000]  ? __switch_to_asm+0x40/0x70
> [  +0.000000]  __do_softirq+0xdd/0x2fe
> [  +0.000023]  ? sort_range+0x20/0x20
> [  +0.000000]  run_ksoftirqd+0x1a/0x20
> [  +0.000001]  smpboot_thread_fn+0xc5/0x160
> [  +0.000000]  kthread+0x112/0x130
> [  +0.000001]  ? kthread_park+0x80/0x80
> [  +0.000004]  ret_from_fork+0x35/0x40
> [  +0.219060] tsc: Marking TSC unstable due to clocksource watchdog
> [  +0.006381] TSC found unstable after boot, most likely due to broken BIOS. Use 'tsc=unstable'.
> [  +0.008594] sched_clock: Marking unstable (3065928264139, 4859457120)<-(3073001951393, -2214749450)
> [  +0.027388] clocksource: Switched to clocksource hpet
> [Nov13 21:33] perf: interrupt took too long (63348 > 53803), lowering kernel.perf_event_max_sample_rate to 3000
> [Nov13 21:36] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.130 msecs
> [Nov13 21:51] hrtimer: interrupt took 2022824 ns


^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  7:09 Memory hotplug softlock issue Baoquan He
  2018-11-14  7:16 ` Baoquan He
@ 2018-11-14  8:18 ` David Hildenbrand
  2018-11-14  9:00   ` Baoquan He
  2018-11-14  9:01   ` Michal Hocko
  2018-11-14 10:00 ` Michal Hocko
  2 siblings, 2 replies; 54+ messages in thread
From: David Hildenbrand @ 2018-11-14  8:18 UTC (permalink / raw)
  To: Baoquan He, linux-mm; +Cc: linux-kernel, mhocko, akpm, aarcange

On 14.11.18 08:09, Baoquan He wrote:
> Hi,
> 
> Tested memory hotplug on a bare metal system, hot removing always
> trigger a lock. Usually need hot plug/unplug several times, then the hot
> removing will hang there at the last block. Surely with memory pressure
> added by executing "stress -m 200".
> 
> Will attach the log partly. Any idea or suggestion, appreciated. 
> 
> Thanks
> Baoquan
> 

Code seems to be waiting for the mem_hotplug_lock in read.
We hold mem_hotplug_lock in write whenever we online/offline/add/remove
memory. There are two ways to trigger offlining of memory:

1. Offlining via "cat offline > /sys/devices/system/memory/memory0/state"

This always properly took the mem_hotplug_lock. Nothing changed

2. Offlining via "cat 0 > /sys/devices/system/memory/memory0/online"

This didn't take the mem_hotplug_lock and I fixed that for this release.

So if you were testing with 1., you should have seen the same error
before this release (unless there is something else now broken in this
release).


The real question is, however, why offlining of the last block doesn't
succeed. In __offline_pages() we basically have an endless loop (while
holding the mem_hotplug_lock in write). Now I consider this piece of
code very problematic (we should automatically fail after X
attempts/after X seconds, we should not ignore -ENOMEM), and we've had
other BUGs whereby we would run into an endless loop here (e.g. related
to hugepages I guess).

You mentioned memory pressure, if our host is under memory pressure we
can easily trigger running into an endless loop there, because we
basically ignore -ENOMEM e.g. when we cannot get a page to migrate some
memory to be offlined. I assume this is the case here.
do_migrate_range() could be the bad boy if it keeps failing forever and
we keep retrying.

-- 

Thanks,

David / dhildenb

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  8:18 ` David Hildenbrand
@ 2018-11-14  9:00   ` Baoquan He
  2018-11-14  9:25     ` David Hildenbrand
  2018-11-14  9:01   ` Michal Hocko
  1 sibling, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-14  9:00 UTC (permalink / raw)
  To: David Hildenbrand; +Cc: linux-mm, linux-kernel, mhocko, akpm, aarcange

Hi David,

On 11/14/18 at 09:18am, David Hildenbrand wrote:
> Code seems to be waiting for the mem_hotplug_lock in read.
> We hold mem_hotplug_lock in write whenever we online/offline/add/remove
> memory. There are two ways to trigger offlining of memory:
> 
> 1. Offlining via "cat offline > /sys/devices/system/memory/memory0/state"
> 
> This always properly took the mem_hotplug_lock. Nothing changed
> 
> 2. Offlining via "cat 0 > /sys/devices/system/memory/memory0/online"
> 
> This didn't take the mem_hotplug_lock and I fixed that for this release.
> 
> So if you were testing with 1., you should have seen the same error
> before this release (unless there is something else now broken in this
> release).

Thanks a lot for looking into this.

I triggered sysrq+t to check threads' state. You can see that we use
firmware to trigger ACPI event to go to acpi_bus_offline(), it truly
didn't take mem_hotplug_lock() and has taken it with your fix in
commit 381eab4a6ee mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock

[  +0.007062] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
[  +0.005398] Call Trace:
[  +0.002476]  ? page_vma_mapped_walk+0x307/0x710
[  +0.004538]  ? page_remove_rmap+0xa2/0x340
[  +0.004104]  ? ptep_clear_flush+0x54/0x60
[  +0.004027]  ? enqueue_entity+0x11c/0x620
[  +0.005904]  ? schedule+0x28/0x80
[  +0.003336]  ? rmap_walk_file+0xf9/0x270
[  +0.003940]  ? try_to_unmap+0x9c/0xf0
[  +0.003695]  ? migrate_pages+0x2b0/0xb90
[  +0.003959]  ? try_offline_node+0x160/0x160
[  +0.004214]  ? __offline_pages+0x6ce/0x8e0
[  +0.004134]  ? memory_subsys_offline+0x40/0x60
[  +0.004474]  ? device_offline+0x81/0xb0
[  +0.003867]  ? acpi_bus_offline+0xdb/0x140
[  +0.004117]  ? acpi_device_hotplug+0x21c/0x460
[  +0.004458]  ? acpi_hotplug_work_fn+0x1a/0x30
[  +0.004372]  ? process_one_work+0x1a1/0x3a0
[  +0.004195]  ? worker_thread+0x30/0x380
[  +0.003851]  ? drain_workqueue+0x120/0x120
[  +0.004117]  ? kthread+0x112/0x130
[  +0.003411]  ? kthread_park+0x80/0x80
[  +0.005325]  ? ret_from_fork+0x35/0x40


> 
> 
> The real question is, however, why offlining of the last block doesn't
> succeed. In __offline_pages() we basically have an endless loop (while
> holding the mem_hotplug_lock in write). Now I consider this piece of
> code very problematic (we should automatically fail after X
> attempts/after X seconds, we should not ignore -ENOMEM), and we've had
> other BUGs whereby we would run into an endless loop here (e.g. related
> to hugepages I guess).

Hmm, even though memory hotplug stalled there, there are still much
memory. E.g in this system, it has 8 nodes and each node has 64 GB
memory, it's 512 GB in all. Now I run "stress -m 200" to trigger 200
processes to malloc then free 256 MB contiously, and it's eating 50 GB
in all. In theory, it still has much memory for migrating to.

> 
> You mentioned memory pressure, if our host is under memory pressure we
> can easily trigger running into an endless loop there, because we
> basically ignore -ENOMEM e.g. when we cannot get a page to migrate some
> memory to be offlined. I assume this is the case here.
> do_migrate_range() could be the bad boy if it keeps failing forever and
> we keep retrying.

Not sure what other people think about this. If failed the memory removing
when still much free memory left, I worry customer will complain.

Yeah, it stoped at do_migrate_range() when try to migrate the last
memory block. And each time it's the last memory block which can't be
offlined and hang.

If any message or information needed, I can provide.

Thanks
Baoquan

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  8:18 ` David Hildenbrand
  2018-11-14  9:00   ` Baoquan He
@ 2018-11-14  9:01   ` Michal Hocko
  2018-11-14  9:22     ` David Hildenbrand
  2018-11-14 14:52     ` Baoquan He
  1 sibling, 2 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-14  9:01 UTC (permalink / raw)
  To: David Hildenbrand; +Cc: Baoquan He, linux-mm, linux-kernel, akpm, aarcange

On Wed 14-11-18 09:18:09, David Hildenbrand wrote:
> On 14.11.18 08:09, Baoquan He wrote:
> > Hi,
> > 
> > Tested memory hotplug on a bare metal system, hot removing always
> > trigger a lock. Usually need hot plug/unplug several times, then the hot
> > removing will hang there at the last block. Surely with memory pressure
> > added by executing "stress -m 200".
> > 
> > Will attach the log partly. Any idea or suggestion, appreciated. 
> > 
> > Thanks
> > Baoquan
> > 
> 
> Code seems to be waiting for the mem_hotplug_lock in read.
> We hold mem_hotplug_lock in write whenever we online/offline/add/remove
> memory. There are two ways to trigger offlining of memory:
> 
> 1. Offlining via "cat offline > /sys/devices/system/memory/memory0/state"
> 
> This always properly took the mem_hotplug_lock. Nothing changed
> 
> 2. Offlining via "cat 0 > /sys/devices/system/memory/memory0/online"
> 
> This didn't take the mem_hotplug_lock and I fixed that for this release.

This discrepancy should go.

> So if you were testing with 1., you should have seen the same error
> before this release (unless there is something else now broken in this
> release).
> 
> 
> The real question is, however, why offlining of the last block doesn't
> succeed. In __offline_pages() we basically have an endless loop (while
> holding the mem_hotplug_lock in write). Now I consider this piece of
> code very problematic (we should automatically fail after X
> attempts/after X seconds, we should not ignore -ENOMEM), and we've had
> other BUGs whereby we would run into an endless loop here (e.g. related
> to hugepages I guess).

We used to have number of retries previous and it was too fragile. If
you need a timeout then you can easily do that from userspace. Just do
timeout $TIME echo 0 > $MEM_PATH/online

I have seen an issue when the migration cannot make a forward progress
because of a glibc page with a reference count bumping up and down. Most
probable explanation is the faultaround code. I am working on this and
will post a patch soon. In any case the migration should converge and if
it doesn't do then there is a bug lurking somewhere.

Failing on ENOMEM is a questionable thing. I haven't seen that happening
wildly but if it is a case then I wouldn't be opposed.

> You mentioned memory pressure, if our host is under memory pressure we
> can easily trigger running into an endless loop there, because we
> basically ignore -ENOMEM e.g. when we cannot get a page to migrate some
> memory to be offlined. I assume this is the case here.
> do_migrate_range() could be the bad boy if it keeps failing forever and
> we keep retrying.

My hotplug debugging patches [1] should help to tell us.

[1] http://lkml.kernel.org/r/20181107101830.17405-1-mhocko@kernel.org
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  9:01   ` Michal Hocko
@ 2018-11-14  9:22     ` David Hildenbrand
  2018-11-14  9:37       ` Michal Hocko
  2018-11-14 14:52     ` Baoquan He
  1 sibling, 1 reply; 54+ messages in thread
From: David Hildenbrand @ 2018-11-14  9:22 UTC (permalink / raw)
  To: Michal Hocko; +Cc: Baoquan He, linux-mm, linux-kernel, akpm, aarcange

>>
>> The real question is, however, why offlining of the last block doesn't
>> succeed. In __offline_pages() we basically have an endless loop (while
>> holding the mem_hotplug_lock in write). Now I consider this piece of
>> code very problematic (we should automatically fail after X
>> attempts/after X seconds, we should not ignore -ENOMEM), and we've had
>> other BUGs whereby we would run into an endless loop here (e.g. related
>> to hugepages I guess).
> 
> We used to have number of retries previous and it was too fragile. If
> you need a timeout then you can easily do that from userspace. Just do
> timeout $TIME echo 0 > $MEM_PATH/online

I agree that number of retries is not a good measure.

But as far as I can see this happens from the kernel via an ACPI event.
E.g. failing to offline a block after X seconds would still make sense.
(if something takes 120seconds to offline 128MB/2G there is something
very bad going on, we could set the default limit to e.g. 30seconds),
however ...

> 
> I have seen an issue when the migration cannot make a forward progress
> because of a glibc page with a reference count bumping up and down. Most
> probable explanation is the faultaround code. I am working on this and
> will post a patch soon. In any case the migration should converge and if
> it doesn't do then there is a bug lurking somewhere.

... I also agree that this should converge. And if we detect a serious
issue that we can't handle/where we can't converge (e.g. -ENOMEM) we
should abort.

> 
> Failing on ENOMEM is a questionable thing. I haven't seen that happening
> wildly but if it is a case then I wouldn't be opposed.
> 
>> You mentioned memory pressure, if our host is under memory pressure we
>> can easily trigger running into an endless loop there, because we
>> basically ignore -ENOMEM e.g. when we cannot get a page to migrate some
>> memory to be offlined. I assume this is the case here.
>> do_migrate_range() could be the bad boy if it keeps failing forever and
>> we keep retrying.

I've seen quite some issues while playing with virtio-mem, but didn't
have the time to look into the details. Still on my long list of things
to look into.

> 
> My hotplug debugging patches [1] should help to tell us.
> 
> [1] http://lkml.kernel.org/r/20181107101830.17405-1-mhocko@kernel.org
> 


-- 

Thanks,

David / dhildenb

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  9:00   ` Baoquan He
@ 2018-11-14  9:25     ` David Hildenbrand
  2018-11-14  9:41       ` Michal Hocko
  0 siblings, 1 reply; 54+ messages in thread
From: David Hildenbrand @ 2018-11-14  9:25 UTC (permalink / raw)
  To: Baoquan He; +Cc: linux-mm, linux-kernel, mhocko, akpm, aarcange

On 14.11.18 10:00, Baoquan He wrote:
> Hi David,
> 
> On 11/14/18 at 09:18am, David Hildenbrand wrote:
>> Code seems to be waiting for the mem_hotplug_lock in read.
>> We hold mem_hotplug_lock in write whenever we online/offline/add/remove
>> memory. There are two ways to trigger offlining of memory:
>>
>> 1. Offlining via "cat offline > /sys/devices/system/memory/memory0/state"
>>
>> This always properly took the mem_hotplug_lock. Nothing changed
>>
>> 2. Offlining via "cat 0 > /sys/devices/system/memory/memory0/online"
>>
>> This didn't take the mem_hotplug_lock and I fixed that for this release.
>>
>> So if you were testing with 1., you should have seen the same error
>> before this release (unless there is something else now broken in this
>> release).
> 
> Thanks a lot for looking into this.
> 
> I triggered sysrq+t to check threads' state. You can see that we use
> firmware to trigger ACPI event to go to acpi_bus_offline(), it truly
> didn't take mem_hotplug_lock() and has taken it with your fix in
> commit 381eab4a6ee mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock
> 
> [  +0.007062] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
> [  +0.005398] Call Trace:
> [  +0.002476]  ? page_vma_mapped_walk+0x307/0x710
> [  +0.004538]  ? page_remove_rmap+0xa2/0x340
> [  +0.004104]  ? ptep_clear_flush+0x54/0x60
> [  +0.004027]  ? enqueue_entity+0x11c/0x620
> [  +0.005904]  ? schedule+0x28/0x80
> [  +0.003336]  ? rmap_walk_file+0xf9/0x270
> [  +0.003940]  ? try_to_unmap+0x9c/0xf0
> [  +0.003695]  ? migrate_pages+0x2b0/0xb90
> [  +0.003959]  ? try_offline_node+0x160/0x160
> [  +0.004214]  ? __offline_pages+0x6ce/0x8e0
> [  +0.004134]  ? memory_subsys_offline+0x40/0x60
> [  +0.004474]  ? device_offline+0x81/0xb0
> [  +0.003867]  ? acpi_bus_offline+0xdb/0x140
> [  +0.004117]  ? acpi_device_hotplug+0x21c/0x460
> [  +0.004458]  ? acpi_hotplug_work_fn+0x1a/0x30
> [  +0.004372]  ? process_one_work+0x1a1/0x3a0
> [  +0.004195]  ? worker_thread+0x30/0x380
> [  +0.003851]  ? drain_workqueue+0x120/0x120
> [  +0.004117]  ? kthread+0x112/0x130
> [  +0.003411]  ? kthread_park+0x80/0x80
> [  +0.005325]  ? ret_from_fork+0x35/0x40
> 

Yes, this is indeed another code path that was fixed (and I didn't
actually realize it ;) ). Thanks for the callchain. Before my fix
hotplug still would have never succeeded (offline_pages would have
silently looped forever) as far as I can tell.

> 
>>
>>
>> The real question is, however, why offlining of the last block doesn't
>> succeed. In __offline_pages() we basically have an endless loop (while
>> holding the mem_hotplug_lock in write). Now I consider this piece of
>> code very problematic (we should automatically fail after X
>> attempts/after X seconds, we should not ignore -ENOMEM), and we've had
>> other BUGs whereby we would run into an endless loop here (e.g. related
>> to hugepages I guess).
> 
> Hmm, even though memory hotplug stalled there, there are still much
> memory. E.g in this system, it has 8 nodes and each node has 64 GB
> memory, it's 512 GB in all. Now I run "stress -m 200" to trigger 200
> processes to malloc then free 256 MB contiously, and it's eating 50 GB
> in all. In theory, it still has much memory for migrating to.

Maybe a NUMA issue? But I am just making wild guesses. Maybe it is not
-ENOMEM but just some other migration condition that is not properly
handled (see Michals reply).

> 
>>
>> You mentioned memory pressure, if our host is under memory pressure we
>> can easily trigger running into an endless loop there, because we
>> basically ignore -ENOMEM e.g. when we cannot get a page to migrate some
>> memory to be offlined. I assume this is the case here.
>> do_migrate_range() could be the bad boy if it keeps failing forever and
>> we keep retrying.
> 
> Not sure what other people think about this. If failed the memory removing
> when still much free memory left, I worry customer will complain.

Indeed, we have to look into this.

> 
> Yeah, it stoped at do_migrate_range() when try to migrate the last
> memory block. And each time it's the last memory block which can't be
> offlined and hang.

It would be interesting to see which error message we keep getting.

> 
> If any message or information needed, I can provide.
> 
> Thanks
> Baoquan
> 


-- 

Thanks,

David / dhildenb

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  9:22     ` David Hildenbrand
@ 2018-11-14  9:37       ` Michal Hocko
  2018-11-14  9:39         ` David Hildenbrand
  0 siblings, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-14  9:37 UTC (permalink / raw)
  To: David Hildenbrand; +Cc: Baoquan He, linux-mm, linux-kernel, akpm, aarcange

On Wed 14-11-18 10:22:31, David Hildenbrand wrote:
> >>
> >> The real question is, however, why offlining of the last block doesn't
> >> succeed. In __offline_pages() we basically have an endless loop (while
> >> holding the mem_hotplug_lock in write). Now I consider this piece of
> >> code very problematic (we should automatically fail after X
> >> attempts/after X seconds, we should not ignore -ENOMEM), and we've had
> >> other BUGs whereby we would run into an endless loop here (e.g. related
> >> to hugepages I guess).
> > 
> > We used to have number of retries previous and it was too fragile. If
> > you need a timeout then you can easily do that from userspace. Just do
> > timeout $TIME echo 0 > $MEM_PATH/online
> 
> I agree that number of retries is not a good measure.
> 
> But as far as I can see this happens from the kernel via an ACPI event.
> E.g. failing to offline a block after X seconds would still make sense.
> (if something takes 120seconds to offline 128MB/2G there is something
> very bad going on, we could set the default limit to e.g. 30seconds),
> however ...

I disagree. THis is pulling policy into the kernel and that just
generates problems. What might look like a reasonable timeout to some
workloads might be wrong for others.

> > I have seen an issue when the migration cannot make a forward progress
> > because of a glibc page with a reference count bumping up and down. Most
> > probable explanation is the faultaround code. I am working on this and
> > will post a patch soon. In any case the migration should converge and if
> > it doesn't do then there is a bug lurking somewhere.
> 
> ... I also agree that this should converge. And if we detect a serious
> issue that we can't handle/where we can't converge (e.g. -ENOMEM) we
> should abort.

As I've said ENOMEM can be considered a hard failure. We do not trigger
OOM killer when allocating migration target so we only rely on somebody
esle making a forward progress for us and that is suboptimal. Yet I
haven't seen this happening in hotplug scenarios so far. Making
hotremove while the memory is really under pressure is a bad idea in the
first place most of the time. It is quite likely that somebody else just
triggers the oom killer and the offlining part will eventually make a
forward progress.
> 
> > 
> > Failing on ENOMEM is a questionable thing. I haven't seen that happening
> > wildly but if it is a case then I wouldn't be opposed.
> > 
> >> You mentioned memory pressure, if our host is under memory pressure we
> >> can easily trigger running into an endless loop there, because we
> >> basically ignore -ENOMEM e.g. when we cannot get a page to migrate some
> >> memory to be offlined. I assume this is the case here.
> >> do_migrate_range() could be the bad boy if it keeps failing forever and
> >> we keep retrying.
> 
> I've seen quite some issues while playing with virtio-mem, but didn't
> have the time to look into the details. Still on my long list of things
> to look into.

Memory hotplug is really far away from being optimal and robust. This
has always been the case. Issues used to be workaround by retry limits
etc. If we ever want to make it more robust we have to bite a bullet and
actually chase all the issues that might be basically anywhere and fix
them. This is just a nature of a pony that memory hotplug is.
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  9:37       ` Michal Hocko
@ 2018-11-14  9:39         ` David Hildenbrand
  0 siblings, 0 replies; 54+ messages in thread
From: David Hildenbrand @ 2018-11-14  9:39 UTC (permalink / raw)
  To: Michal Hocko; +Cc: Baoquan He, linux-mm, linux-kernel, akpm, aarcange

>>> Failing on ENOMEM is a questionable thing. I haven't seen that happening
>>> wildly but if it is a case then I wouldn't be opposed.
>>>
>>>> You mentioned memory pressure, if our host is under memory pressure we
>>>> can easily trigger running into an endless loop there, because we
>>>> basically ignore -ENOMEM e.g. when we cannot get a page to migrate some
>>>> memory to be offlined. I assume this is the case here.
>>>> do_migrate_range() could be the bad boy if it keeps failing forever and
>>>> we keep retrying.
>>
>> I've seen quite some issues while playing with virtio-mem, but didn't
>> have the time to look into the details. Still on my long list of things
>> to look into.
> 
> Memory hotplug is really far away from being optimal and robust. This
> has always been the case. Issues used to be workaround by retry limits
> etc. If we ever want to make it more robust we have to bite a bullet and
> actually chase all the issues that might be basically anywhere and fix
> them. This is just a nature of a pony that memory hotplug is.
> 

Yes I agree, no more workarounds.

-- 

Thanks,

David / dhildenb

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  9:25     ` David Hildenbrand
@ 2018-11-14  9:41       ` Michal Hocko
  2018-11-14  9:48         ` David Hildenbrand
  0 siblings, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-14  9:41 UTC (permalink / raw)
  To: David Hildenbrand; +Cc: Baoquan He, linux-mm, linux-kernel, akpm, aarcange

On Wed 14-11-18 10:25:57, David Hildenbrand wrote:
> On 14.11.18 10:00, Baoquan He wrote:
> > Hi David,
> > 
> > On 11/14/18 at 09:18am, David Hildenbrand wrote:
> >> Code seems to be waiting for the mem_hotplug_lock in read.
> >> We hold mem_hotplug_lock in write whenever we online/offline/add/remove
> >> memory. There are two ways to trigger offlining of memory:
> >>
> >> 1. Offlining via "cat offline > /sys/devices/system/memory/memory0/state"
> >>
> >> This always properly took the mem_hotplug_lock. Nothing changed
> >>
> >> 2. Offlining via "cat 0 > /sys/devices/system/memory/memory0/online"
> >>
> >> This didn't take the mem_hotplug_lock and I fixed that for this release.
> >>
> >> So if you were testing with 1., you should have seen the same error
> >> before this release (unless there is something else now broken in this
> >> release).
> > 
> > Thanks a lot for looking into this.
> > 
> > I triggered sysrq+t to check threads' state. You can see that we use
> > firmware to trigger ACPI event to go to acpi_bus_offline(), it truly
> > didn't take mem_hotplug_lock() and has taken it with your fix in
> > commit 381eab4a6ee mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock
> > 
> > [  +0.007062] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
> > [  +0.005398] Call Trace:
> > [  +0.002476]  ? page_vma_mapped_walk+0x307/0x710
> > [  +0.004538]  ? page_remove_rmap+0xa2/0x340
> > [  +0.004104]  ? ptep_clear_flush+0x54/0x60
> > [  +0.004027]  ? enqueue_entity+0x11c/0x620
> > [  +0.005904]  ? schedule+0x28/0x80
> > [  +0.003336]  ? rmap_walk_file+0xf9/0x270
> > [  +0.003940]  ? try_to_unmap+0x9c/0xf0
> > [  +0.003695]  ? migrate_pages+0x2b0/0xb90
> > [  +0.003959]  ? try_offline_node+0x160/0x160
> > [  +0.004214]  ? __offline_pages+0x6ce/0x8e0
> > [  +0.004134]  ? memory_subsys_offline+0x40/0x60
> > [  +0.004474]  ? device_offline+0x81/0xb0
> > [  +0.003867]  ? acpi_bus_offline+0xdb/0x140
> > [  +0.004117]  ? acpi_device_hotplug+0x21c/0x460
> > [  +0.004458]  ? acpi_hotplug_work_fn+0x1a/0x30
> > [  +0.004372]  ? process_one_work+0x1a1/0x3a0
> > [  +0.004195]  ? worker_thread+0x30/0x380
> > [  +0.003851]  ? drain_workqueue+0x120/0x120
> > [  +0.004117]  ? kthread+0x112/0x130
> > [  +0.003411]  ? kthread_park+0x80/0x80
> > [  +0.005325]  ? ret_from_fork+0x35/0x40
> > 
> 
> Yes, this is indeed another code path that was fixed (and I didn't
> actually realize it ;) ). Thanks for the callchain. Before my fix
> hotplug still would have never succeeded (offline_pages would have
> silently looped forever) as far as I can tell.

I haven't studied your patch yet so I am not really sure why you have
added the lock into this path. The memory hotplug locking is certainly
far from great but I believe we should really rething the scope of the
lock. There shouldn't be any fundamental reason to use the global lock
for the full offlining. So rather than moving the lock from one place to
another we need a range locking I believe.

-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  9:41       ` Michal Hocko
@ 2018-11-14  9:48         ` David Hildenbrand
  2018-11-14 10:04           ` Michal Hocko
  0 siblings, 1 reply; 54+ messages in thread
From: David Hildenbrand @ 2018-11-14  9:48 UTC (permalink / raw)
  To: Michal Hocko; +Cc: Baoquan He, linux-mm, linux-kernel, akpm, aarcange

On 14.11.18 10:41, Michal Hocko wrote:
> On Wed 14-11-18 10:25:57, David Hildenbrand wrote:
>> On 14.11.18 10:00, Baoquan He wrote:
>>> Hi David,
>>>
>>> On 11/14/18 at 09:18am, David Hildenbrand wrote:
>>>> Code seems to be waiting for the mem_hotplug_lock in read.
>>>> We hold mem_hotplug_lock in write whenever we online/offline/add/remove
>>>> memory. There are two ways to trigger offlining of memory:
>>>>
>>>> 1. Offlining via "cat offline > /sys/devices/system/memory/memory0/state"
>>>>
>>>> This always properly took the mem_hotplug_lock. Nothing changed
>>>>
>>>> 2. Offlining via "cat 0 > /sys/devices/system/memory/memory0/online"
>>>>
>>>> This didn't take the mem_hotplug_lock and I fixed that for this release.
>>>>
>>>> So if you were testing with 1., you should have seen the same error
>>>> before this release (unless there is something else now broken in this
>>>> release).
>>>
>>> Thanks a lot for looking into this.
>>>
>>> I triggered sysrq+t to check threads' state. You can see that we use
>>> firmware to trigger ACPI event to go to acpi_bus_offline(), it truly
>>> didn't take mem_hotplug_lock() and has taken it with your fix in
>>> commit 381eab4a6ee mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock
>>>
>>> [  +0.007062] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
>>> [  +0.005398] Call Trace:
>>> [  +0.002476]  ? page_vma_mapped_walk+0x307/0x710
>>> [  +0.004538]  ? page_remove_rmap+0xa2/0x340
>>> [  +0.004104]  ? ptep_clear_flush+0x54/0x60
>>> [  +0.004027]  ? enqueue_entity+0x11c/0x620
>>> [  +0.005904]  ? schedule+0x28/0x80
>>> [  +0.003336]  ? rmap_walk_file+0xf9/0x270
>>> [  +0.003940]  ? try_to_unmap+0x9c/0xf0
>>> [  +0.003695]  ? migrate_pages+0x2b0/0xb90
>>> [  +0.003959]  ? try_offline_node+0x160/0x160
>>> [  +0.004214]  ? __offline_pages+0x6ce/0x8e0
>>> [  +0.004134]  ? memory_subsys_offline+0x40/0x60
>>> [  +0.004474]  ? device_offline+0x81/0xb0
>>> [  +0.003867]  ? acpi_bus_offline+0xdb/0x140
>>> [  +0.004117]  ? acpi_device_hotplug+0x21c/0x460
>>> [  +0.004458]  ? acpi_hotplug_work_fn+0x1a/0x30
>>> [  +0.004372]  ? process_one_work+0x1a1/0x3a0
>>> [  +0.004195]  ? worker_thread+0x30/0x380
>>> [  +0.003851]  ? drain_workqueue+0x120/0x120
>>> [  +0.004117]  ? kthread+0x112/0x130
>>> [  +0.003411]  ? kthread_park+0x80/0x80
>>> [  +0.005325]  ? ret_from_fork+0x35/0x40
>>>
>>
>> Yes, this is indeed another code path that was fixed (and I didn't
>> actually realize it ;) ). Thanks for the callchain. Before my fix
>> hotplug still would have never succeeded (offline_pages would have
>> silently looped forever) as far as I can tell.
> 
> I haven't studied your patch yet so I am not really sure why you have
> added the lock into this path. The memory hotplug locking is certainly
> far from great but I believe we should really rething the scope of the
> lock. There shouldn't be any fundamental reason to use the global lock
> for the full offlining. So rather than moving the lock from one place to
> another we need a range locking I believe.
See the patches for details, the lock was removed on this path by
mistake not by design.

Replacing the lock by some range lock can now be done. The tricky part
will be get_online_mems(), we'll have to indicate a range somehow. For
online/offline/add/remove, we have the range.

-- 

Thanks,

David / dhildenb

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  7:09 Memory hotplug softlock issue Baoquan He
  2018-11-14  7:16 ` Baoquan He
  2018-11-14  8:18 ` David Hildenbrand
@ 2018-11-14 10:00 ` Michal Hocko
  2 siblings, 0 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-14 10:00 UTC (permalink / raw)
  To: Baoquan He
  Cc: linux-mm, linux-kernel, akpm, aarcange, david, Vladimir Davydov

[Cc Vladimir]

On Wed 14-11-18 15:09:09, Baoquan He wrote:
> Hi,
> 
> Tested memory hotplug on a bare metal system, hot removing always
> trigger a lock. Usually need hot plug/unplug several times, then the hot
> removing will hang there at the last block. Surely with memory pressure
> added by executing "stress -m 200".
> 
> Will attach the log partly. Any idea or suggestion, appreciated. 
> 
[...]
> [  +0.007169]       Not tainted 4.20.0-rc2+ #4
> [  +0.004630] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [  +0.008001] kworker/181:1   D    0  1187      2 0x80000000
> [  +0.005711] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
> [  +0.006467] Call Trace:
> [  +0.002591]  ? __schedule+0x24e/0x880
> [  +0.004995]  schedule+0x28/0x80
> [  +0.003380]  rwsem_down_read_failed+0x103/0x190
> [  +0.006528]  call_rwsem_down_read_failed+0x14/0x30
> [  +0.004937]  __percpu_down_read+0x4f/0x80
> [  +0.004204]  get_online_mems+0x2d/0x30
> [  +0.003871]  memcg_create_kmem_cache+0x1b/0x120
> [  +0.004740]  memcg_kmem_cache_create_func+0x1b/0x60
> [  +0.004986]  process_one_work+0x1a1/0x3a0
> [  +0.004255]  worker_thread+0x30/0x380
> [  +0.003764]  ? drain_workqueue+0x120/0x120
> [  +0.004238]  kthread+0x112/0x130
> [  +0.003320]  ? kthread_park+0x80/0x80
> [  +0.003796]  ret_from_fork+0x35/0x40

For a quick context. We do hold the exclusive mem hotplug lock
throughout the whole offlining and that can take quite some time.
So I am wondering whether we absolutely have to take the shared lock
in this path (introduced by 03afc0e25f7f ("slab: get_online_mems for
kmem_cache_{create,destroy,shrink}")). Is there any way to relax this
requirement? E.g. nodes stay around even when they are completely
offline. Does that help?
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  9:48         ` David Hildenbrand
@ 2018-11-14 10:04           ` Michal Hocko
  0 siblings, 0 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-14 10:04 UTC (permalink / raw)
  To: David Hildenbrand; +Cc: Baoquan He, linux-mm, linux-kernel, akpm, aarcange

On Wed 14-11-18 10:48:09, David Hildenbrand wrote:
> On 14.11.18 10:41, Michal Hocko wrote:
> > On Wed 14-11-18 10:25:57, David Hildenbrand wrote:
> >> On 14.11.18 10:00, Baoquan He wrote:
> >>> Hi David,
> >>>
> >>> On 11/14/18 at 09:18am, David Hildenbrand wrote:
> >>>> Code seems to be waiting for the mem_hotplug_lock in read.
> >>>> We hold mem_hotplug_lock in write whenever we online/offline/add/remove
> >>>> memory. There are two ways to trigger offlining of memory:
> >>>>
> >>>> 1. Offlining via "cat offline > /sys/devices/system/memory/memory0/state"
> >>>>
> >>>> This always properly took the mem_hotplug_lock. Nothing changed
> >>>>
> >>>> 2. Offlining via "cat 0 > /sys/devices/system/memory/memory0/online"
> >>>>
> >>>> This didn't take the mem_hotplug_lock and I fixed that for this release.
> >>>>
> >>>> So if you were testing with 1., you should have seen the same error
> >>>> before this release (unless there is something else now broken in this
> >>>> release).
> >>>
> >>> Thanks a lot for looking into this.
> >>>
> >>> I triggered sysrq+t to check threads' state. You can see that we use
> >>> firmware to trigger ACPI event to go to acpi_bus_offline(), it truly
> >>> didn't take mem_hotplug_lock() and has taken it with your fix in
> >>> commit 381eab4a6ee mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock
> >>>
> >>> [  +0.007062] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
> >>> [  +0.005398] Call Trace:
> >>> [  +0.002476]  ? page_vma_mapped_walk+0x307/0x710
> >>> [  +0.004538]  ? page_remove_rmap+0xa2/0x340
> >>> [  +0.004104]  ? ptep_clear_flush+0x54/0x60
> >>> [  +0.004027]  ? enqueue_entity+0x11c/0x620
> >>> [  +0.005904]  ? schedule+0x28/0x80
> >>> [  +0.003336]  ? rmap_walk_file+0xf9/0x270
> >>> [  +0.003940]  ? try_to_unmap+0x9c/0xf0
> >>> [  +0.003695]  ? migrate_pages+0x2b0/0xb90
> >>> [  +0.003959]  ? try_offline_node+0x160/0x160
> >>> [  +0.004214]  ? __offline_pages+0x6ce/0x8e0
> >>> [  +0.004134]  ? memory_subsys_offline+0x40/0x60
> >>> [  +0.004474]  ? device_offline+0x81/0xb0
> >>> [  +0.003867]  ? acpi_bus_offline+0xdb/0x140
> >>> [  +0.004117]  ? acpi_device_hotplug+0x21c/0x460
> >>> [  +0.004458]  ? acpi_hotplug_work_fn+0x1a/0x30
> >>> [  +0.004372]  ? process_one_work+0x1a1/0x3a0
> >>> [  +0.004195]  ? worker_thread+0x30/0x380
> >>> [  +0.003851]  ? drain_workqueue+0x120/0x120
> >>> [  +0.004117]  ? kthread+0x112/0x130
> >>> [  +0.003411]  ? kthread_park+0x80/0x80
> >>> [  +0.005325]  ? ret_from_fork+0x35/0x40
> >>>
> >>
> >> Yes, this is indeed another code path that was fixed (and I didn't
> >> actually realize it ;) ). Thanks for the callchain. Before my fix
> >> hotplug still would have never succeeded (offline_pages would have
> >> silently looped forever) as far as I can tell.
> > 
> > I haven't studied your patch yet so I am not really sure why you have
> > added the lock into this path. The memory hotplug locking is certainly
> > far from great but I believe we should really rething the scope of the
> > lock. There shouldn't be any fundamental reason to use the global lock
> > for the full offlining. So rather than moving the lock from one place to
> > another we need a range locking I believe.
> See the patches for details, the lock was removed on this path by
> mistake not by design.

OK, so I guess we should plug that hole first I guess.

> Replacing the lock by some range lock can now be done. The tricky part
> will be get_online_mems(), we'll have to indicate a range somehow. For
> online/offline/add/remove, we have the range.

I would argue that get_online_mems() needs some rethinking. Callers
shouldn't really care that a node went offline. If they care about the
specific pfn range of the node to not go away then the range locking
should work just fine for them.
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14  9:01   ` Michal Hocko
  2018-11-14  9:22     ` David Hildenbrand
@ 2018-11-14 14:52     ` Baoquan He
  2018-11-14 15:00       ` Michal Hocko
  1 sibling, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-14 14:52 UTC (permalink / raw)
  To: Michal Hocko; +Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On 11/14/18 at 10:01am, Michal Hocko wrote:
> I have seen an issue when the migration cannot make a forward progress
> because of a glibc page with a reference count bumping up and down. Most
> probable explanation is the faultaround code. I am working on this and
> will post a patch soon. In any case the migration should converge and if
> it doesn't do then there is a bug lurking somewhere.
> 
> Failing on ENOMEM is a questionable thing. I haven't seen that happening
> wildly but if it is a case then I wouldn't be opposed.

Applied your debugging patches, it helps a lot to printing message.

Below is the dmesg log about the migrating failure. It can't pass
migrate_pages() and loop forever.

[  +0.083841] migrating pfn 10fff7d0 failed 
[  +0.000005] page:ffffea043ffdf400 count:208 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
[  +0.012689] xfs_address_space_operations [xfs] 
[  +0.000030] name:"stress" 
[  +0.004556] flags: 0x5fffffc0000004(uptodate)
[  +0.007339] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
[  +0.009488] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
[  +0.007726] page->mem_cgroup:ffff888e7353d000
[  +0.084538] migrating pfn 10fff7d0 failed 
[  +0.000006] page:ffffea043ffdf400 count:210 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
[  +0.012798] xfs_address_space_operations [xfs] 
[  +0.000034] name:"stress" 
[  +0.004524] flags: 0x5fffffc0000004(uptodate)
[  +0.007068] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
[  +0.009359] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
[  +0.007728] page->mem_cgroup:ffff888e7353d000

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This is numactl -H, the last memory block of node1 can't be migrated.

[root@~]# numactl -H
available: 8 nodes (0-7)
node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
node 0 size: 58793 MB
node 0 free: 50374 MB
node 1 cpus: 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179
node 1 size: 2048 MB
node 1 free: 0 MB
node 2 cpus: 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197
node 2 size: 65536 MB
node 2 free: 60102 MB
node 3 cpus: 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215
node 3 size: 65536 MB
node 3 free: 61237 MB
node 4 cpus: 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
node 4 size: 65536 MB
node 4 free: 63057 MB
node 5 cpus: 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251
node 5 size: 65536 MB
node 5 free: 62507 MB
node 6 cpus: 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269
node 6 size: 65536 MB
node 6 free: 62688 MB
node 7 cpus: 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287
node 7 size: 65536 MB
node 7 free: 61775 MB
node distances:
node   0   1   2   3   4   5   6   7 
  0:  10  21  31  21  41  41  51  51 
  1:  21  10  21  31  41  41  51  51 
  2:  31  21  10  21  51  51  41  41 
  3:  21  31  21  10  51  51  41  41 
  4:  41  41  51  51  10  21  31  21 
  5:  41  41  51  51  21  10  21  31 
  6:  51  51  41  41  31  21  10  21 
  7:  51  51  41  41  21  31  21  10

> 
> > You mentioned memory pressure, if our host is under memory pressure we
> > can easily trigger running into an endless loop there, because we
> > basically ignore -ENOMEM e.g. when we cannot get a page to migrate some
> > memory to be offlined. I assume this is the case here.
> > do_migrate_range() could be the bad boy if it keeps failing forever and
> > we keep retrying.
> 
> My hotplug debugging patches [1] should help to tell us.
> 
> [1] http://lkml.kernel.org/r/20181107101830.17405-1-mhocko@kernel.org
> -- 
> Michal Hocko
> SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14 14:52     ` Baoquan He
@ 2018-11-14 15:00       ` Michal Hocko
  2018-11-15  5:10         ` Baoquan He
  0 siblings, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-14 15:00 UTC (permalink / raw)
  To: Baoquan He; +Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On Wed 14-11-18 22:52:50, Baoquan He wrote:
> On 11/14/18 at 10:01am, Michal Hocko wrote:
> > I have seen an issue when the migration cannot make a forward progress
> > because of a glibc page with a reference count bumping up and down. Most
> > probable explanation is the faultaround code. I am working on this and
> > will post a patch soon. In any case the migration should converge and if
> > it doesn't do then there is a bug lurking somewhere.
> > 
> > Failing on ENOMEM is a questionable thing. I haven't seen that happening
> > wildly but if it is a case then I wouldn't be opposed.
> 
> Applied your debugging patches, it helps a lot to printing message.
> 
> Below is the dmesg log about the migrating failure. It can't pass
> migrate_pages() and loop forever.
> 
> [  +0.083841] migrating pfn 10fff7d0 failed 
> [  +0.000005] page:ffffea043ffdf400 count:208 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> [  +0.012689] xfs_address_space_operations [xfs] 
> [  +0.000030] name:"stress" 
> [  +0.004556] flags: 0x5fffffc0000004(uptodate)
> [  +0.007339] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> [  +0.009488] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> [  +0.007726] page->mem_cgroup:ffff888e7353d000
> [  +0.084538] migrating pfn 10fff7d0 failed 
> [  +0.000006] page:ffffea043ffdf400 count:210 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> [  +0.012798] xfs_address_space_operations [xfs] 
> [  +0.000034] name:"stress" 
> [  +0.004524] flags: 0x5fffffc0000004(uptodate)
> [  +0.007068] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> [  +0.009359] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> [  +0.007728] page->mem_cgroup:ffff888e7353d000

I wouldn't be surprised if this was a similar/same issue I've been
chasing recently. Could you try to disable faultaround to see if that
helps. It seems that it helped in my particular case but I am still
waiting for the final good-to-go to post the patch as I do not own the
workload which triggered that issue.
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-14 15:00       ` Michal Hocko
@ 2018-11-15  5:10         ` Baoquan He
  2018-11-15  7:30           ` Michal Hocko
  0 siblings, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-15  5:10 UTC (permalink / raw)
  To: Michal Hocko; +Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On 11/14/18 at 04:00pm, Michal Hocko wrote:
> On Wed 14-11-18 22:52:50, Baoquan He wrote:
> > On 11/14/18 at 10:01am, Michal Hocko wrote:
> > > I have seen an issue when the migration cannot make a forward progress
> > > because of a glibc page with a reference count bumping up and down. Most
> > > probable explanation is the faultaround code. I am working on this and
> > > will post a patch soon. In any case the migration should converge and if
> > > it doesn't do then there is a bug lurking somewhere.
> > > 
> > > Failing on ENOMEM is a questionable thing. I haven't seen that happening
> > > wildly but if it is a case then I wouldn't be opposed.
> > 
> > Applied your debugging patches, it helps a lot to printing message.
> > 
> > Below is the dmesg log about the migrating failure. It can't pass
> > migrate_pages() and loop forever.
> > 
> > [  +0.083841] migrating pfn 10fff7d0 failed 
> > [  +0.000005] page:ffffea043ffdf400 count:208 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > [  +0.012689] xfs_address_space_operations [xfs] 
> > [  +0.000030] name:"stress" 
> > [  +0.004556] flags: 0x5fffffc0000004(uptodate)
> > [  +0.007339] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > [  +0.009488] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > [  +0.007726] page->mem_cgroup:ffff888e7353d000
> > [  +0.084538] migrating pfn 10fff7d0 failed 
> > [  +0.000006] page:ffffea043ffdf400 count:210 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > [  +0.012798] xfs_address_space_operations [xfs] 
> > [  +0.000034] name:"stress" 
> > [  +0.004524] flags: 0x5fffffc0000004(uptodate)
> > [  +0.007068] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > [  +0.009359] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > [  +0.007728] page->mem_cgroup:ffff888e7353d000
> 
> I wouldn't be surprised if this was a similar/same issue I've been
> chasing recently. Could you try to disable faultaround to see if that
> helps. It seems that it helped in my particular case but I am still
> waiting for the final good-to-go to post the patch as I do not own the
> workload which triggered that issue.

Tried, still stuck in last block sometime. Usually after several times
of hotplug/unplug. If stop stress program, the last block will be
offlined immediately.

[root@ ~]# cat /sys/kernel/debug/fault_around_bytes 
4096

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15  5:10         ` Baoquan He
@ 2018-11-15  7:30           ` Michal Hocko
  2018-11-15  7:53             ` Baoquan He
  0 siblings, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-15  7:30 UTC (permalink / raw)
  To: Baoquan He; +Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On Thu 15-11-18 13:10:34, Baoquan He wrote:
> On 11/14/18 at 04:00pm, Michal Hocko wrote:
> > On Wed 14-11-18 22:52:50, Baoquan He wrote:
> > > On 11/14/18 at 10:01am, Michal Hocko wrote:
> > > > I have seen an issue when the migration cannot make a forward progress
> > > > because of a glibc page with a reference count bumping up and down. Most
> > > > probable explanation is the faultaround code. I am working on this and
> > > > will post a patch soon. In any case the migration should converge and if
> > > > it doesn't do then there is a bug lurking somewhere.
> > > > 
> > > > Failing on ENOMEM is a questionable thing. I haven't seen that happening
> > > > wildly but if it is a case then I wouldn't be opposed.
> > > 
> > > Applied your debugging patches, it helps a lot to printing message.
> > > 
> > > Below is the dmesg log about the migrating failure. It can't pass
> > > migrate_pages() and loop forever.
> > > 
> > > [  +0.083841] migrating pfn 10fff7d0 failed 
> > > [  +0.000005] page:ffffea043ffdf400 count:208 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > > [  +0.012689] xfs_address_space_operations [xfs] 
> > > [  +0.000030] name:"stress" 
> > > [  +0.004556] flags: 0x5fffffc0000004(uptodate)
> > > [  +0.007339] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > > [  +0.009488] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > > [  +0.007726] page->mem_cgroup:ffff888e7353d000
> > > [  +0.084538] migrating pfn 10fff7d0 failed 
> > > [  +0.000006] page:ffffea043ffdf400 count:210 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > > [  +0.012798] xfs_address_space_operations [xfs] 
> > > [  +0.000034] name:"stress" 
> > > [  +0.004524] flags: 0x5fffffc0000004(uptodate)
> > > [  +0.007068] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > > [  +0.009359] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > > [  +0.007728] page->mem_cgroup:ffff888e7353d000
> > 
> > I wouldn't be surprised if this was a similar/same issue I've been
> > chasing recently. Could you try to disable faultaround to see if that
> > helps. It seems that it helped in my particular case but I am still
> > waiting for the final good-to-go to post the patch as I do not own the
> > workload which triggered that issue.
> 
> Tried, still stuck in last block sometime. Usually after several times
> of hotplug/unplug. If stop stress program, the last block will be
> offlined immediately.

Is the pattern still the same? I mean failing over few pages with
reference count jumping up and down between attempts?

> [root@ ~]# cat /sys/kernel/debug/fault_around_bytes 
> 4096

Can you make it 0?

-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15  7:30           ` Michal Hocko
@ 2018-11-15  7:53             ` Baoquan He
  2018-11-15  8:30               ` Michal Hocko
  0 siblings, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-15  7:53 UTC (permalink / raw)
  To: Michal Hocko; +Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On 11/15/18 at 08:30am, Michal Hocko wrote:
> On Thu 15-11-18 13:10:34, Baoquan He wrote:
> > On 11/14/18 at 04:00pm, Michal Hocko wrote:
> > > On Wed 14-11-18 22:52:50, Baoquan He wrote:
> > > > On 11/14/18 at 10:01am, Michal Hocko wrote:
> > > > > I have seen an issue when the migration cannot make a forward progress
> > > > > because of a glibc page with a reference count bumping up and down. Most
> > > > > probable explanation is the faultaround code. I am working on this and
> > > > > will post a patch soon. In any case the migration should converge and if
> > > > > it doesn't do then there is a bug lurking somewhere.
> > > > > 
> > > > > Failing on ENOMEM is a questionable thing. I haven't seen that happening
> > > > > wildly but if it is a case then I wouldn't be opposed.
> > > > 
> > > > Applied your debugging patches, it helps a lot to printing message.
> > > > 
> > > > Below is the dmesg log about the migrating failure. It can't pass
> > > > migrate_pages() and loop forever.
> > > > 
> > > > [  +0.083841] migrating pfn 10fff7d0 failed 
> > > > [  +0.000005] page:ffffea043ffdf400 count:208 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > > > [  +0.012689] xfs_address_space_operations [xfs] 
> > > > [  +0.000030] name:"stress" 
> > > > [  +0.004556] flags: 0x5fffffc0000004(uptodate)
> > > > [  +0.007339] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > > > [  +0.009488] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > > > [  +0.007726] page->mem_cgroup:ffff888e7353d000
> > > > [  +0.084538] migrating pfn 10fff7d0 failed 
> > > > [  +0.000006] page:ffffea043ffdf400 count:210 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > > > [  +0.012798] xfs_address_space_operations [xfs] 
> > > > [  +0.000034] name:"stress" 
> > > > [  +0.004524] flags: 0x5fffffc0000004(uptodate)
> > > > [  +0.007068] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > > > [  +0.009359] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > > > [  +0.007728] page->mem_cgroup:ffff888e7353d000
> > > 
> > > I wouldn't be surprised if this was a similar/same issue I've been
> > > chasing recently. Could you try to disable faultaround to see if that
> > > helps. It seems that it helped in my particular case but I am still
> > > waiting for the final good-to-go to post the patch as I do not own the
> > > workload which triggered that issue.
> > 
> > Tried, still stuck in last block sometime. Usually after several times
> > of hotplug/unplug. If stop stress program, the last block will be
> > offlined immediately.
> 
> Is the pattern still the same? I mean failing over few pages with
> reference count jumping up and down between attempts?

->count jumping up and down, mapcount stays the same value.

> 
> > [root@ ~]# cat /sys/kernel/debug/fault_around_bytes 
> > 4096
> 
> Can you make it 0?

I executed 'echo 0 > fault_around_bytes', value less than one page size
will round up to one page.

/*
 * fault_around_bytes must be rounded down to the nearest page order as it's
 * what do_fault_around() expects to see.
 */
static int fault_around_bytes_set(void *data, u64 val)
{
        if (val / PAGE_SIZE > PTRS_PER_PTE)
                return -EINVAL;
        if (val > PAGE_SIZE)
                fault_around_bytes = rounddown_pow_of_two(val);
        else
                fault_around_bytes = PAGE_SIZE; /* rounddown_pow_of_two(0) is undefined */
        return 0;
}


^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15  7:53             ` Baoquan He
@ 2018-11-15  8:30               ` Michal Hocko
  2018-11-15  9:42                 ` David Hildenbrand
  2018-11-15 13:12                 ` Baoquan He
  0 siblings, 2 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-15  8:30 UTC (permalink / raw)
  To: Baoquan He; +Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On Thu 15-11-18 15:53:56, Baoquan He wrote:
> On 11/15/18 at 08:30am, Michal Hocko wrote:
> > On Thu 15-11-18 13:10:34, Baoquan He wrote:
> > > On 11/14/18 at 04:00pm, Michal Hocko wrote:
> > > > On Wed 14-11-18 22:52:50, Baoquan He wrote:
> > > > > On 11/14/18 at 10:01am, Michal Hocko wrote:
> > > > > > I have seen an issue when the migration cannot make a forward progress
> > > > > > because of a glibc page with a reference count bumping up and down. Most
> > > > > > probable explanation is the faultaround code. I am working on this and
> > > > > > will post a patch soon. In any case the migration should converge and if
> > > > > > it doesn't do then there is a bug lurking somewhere.
> > > > > > 
> > > > > > Failing on ENOMEM is a questionable thing. I haven't seen that happening
> > > > > > wildly but if it is a case then I wouldn't be opposed.
> > > > > 
> > > > > Applied your debugging patches, it helps a lot to printing message.
> > > > > 
> > > > > Below is the dmesg log about the migrating failure. It can't pass
> > > > > migrate_pages() and loop forever.
> > > > > 
> > > > > [  +0.083841] migrating pfn 10fff7d0 failed 
> > > > > [  +0.000005] page:ffffea043ffdf400 count:208 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > > > > [  +0.012689] xfs_address_space_operations [xfs] 
> > > > > [  +0.000030] name:"stress" 
> > > > > [  +0.004556] flags: 0x5fffffc0000004(uptodate)
> > > > > [  +0.007339] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > > > > [  +0.009488] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > > > > [  +0.007726] page->mem_cgroup:ffff888e7353d000
> > > > > [  +0.084538] migrating pfn 10fff7d0 failed 
> > > > > [  +0.000006] page:ffffea043ffdf400 count:210 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > > > > [  +0.012798] xfs_address_space_operations [xfs] 
> > > > > [  +0.000034] name:"stress" 
> > > > > [  +0.004524] flags: 0x5fffffc0000004(uptodate)
> > > > > [  +0.007068] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > > > > [  +0.009359] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > > > > [  +0.007728] page->mem_cgroup:ffff888e7353d000
> > > > 
> > > > I wouldn't be surprised if this was a similar/same issue I've been
> > > > chasing recently. Could you try to disable faultaround to see if that
> > > > helps. It seems that it helped in my particular case but I am still
> > > > waiting for the final good-to-go to post the patch as I do not own the
> > > > workload which triggered that issue.
> > > 
> > > Tried, still stuck in last block sometime. Usually after several times
> > > of hotplug/unplug. If stop stress program, the last block will be
> > > offlined immediately.
> > 
> > Is the pattern still the same? I mean failing over few pages with
> > reference count jumping up and down between attempts?
> 
> ->count jumping up and down, mapcount stays the same value.
> 
> > 
> > > [root@ ~]# cat /sys/kernel/debug/fault_around_bytes 
> > > 4096
> > 
> > Can you make it 0?
> 
> I executed 'echo 0 > fault_around_bytes', value less than one page size
> will round up to one page.

OK, I have missed that. So then there must be a different source of the
page count volatility. Is it always the same file?

I think we can rule out memory reclaim because that depends on the page
lock. Is the stress test hitting on memory compaction? In other words,
are
grep compact /proc/vmstat
counters changing during the offline test heavily? I am asking because I
do not see compaction pfn walkers skipping over MIGRATE_ISOLATE
pageblocks. But I might be missing something easily.

It would be also good to find out whether this is fs specific. E.g. does
it make any difference if you use a different one for your stress
testing?
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15  8:30               ` Michal Hocko
@ 2018-11-15  9:42                 ` David Hildenbrand
  2018-11-15  9:52                   ` Baoquan He
  2018-11-15 13:12                 ` Baoquan He
  1 sibling, 1 reply; 54+ messages in thread
From: David Hildenbrand @ 2018-11-15  9:42 UTC (permalink / raw)
  To: Michal Hocko, Baoquan He; +Cc: linux-mm, linux-kernel, akpm, aarcange

On 15.11.18 09:30, Michal Hocko wrote:
> On Thu 15-11-18 15:53:56, Baoquan He wrote:
>> On 11/15/18 at 08:30am, Michal Hocko wrote:
>>> On Thu 15-11-18 13:10:34, Baoquan He wrote:
>>>> On 11/14/18 at 04:00pm, Michal Hocko wrote:
>>>>> On Wed 14-11-18 22:52:50, Baoquan He wrote:
>>>>>> On 11/14/18 at 10:01am, Michal Hocko wrote:
>>>>>>> I have seen an issue when the migration cannot make a forward progress
>>>>>>> because of a glibc page with a reference count bumping up and down. Most
>>>>>>> probable explanation is the faultaround code. I am working on this and
>>>>>>> will post a patch soon. In any case the migration should converge and if
>>>>>>> it doesn't do then there is a bug lurking somewhere.
>>>>>>>
>>>>>>> Failing on ENOMEM is a questionable thing. I haven't seen that happening
>>>>>>> wildly but if it is a case then I wouldn't be opposed.
>>>>>>
>>>>>> Applied your debugging patches, it helps a lot to printing message.
>>>>>>
>>>>>> Below is the dmesg log about the migrating failure. It can't pass
>>>>>> migrate_pages() and loop forever.
>>>>>>
>>>>>> [  +0.083841] migrating pfn 10fff7d0 failed 
>>>>>> [  +0.000005] page:ffffea043ffdf400 count:208 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
>>>>>> [  +0.012689] xfs_address_space_operations [xfs] 
>>>>>> [  +0.000030] name:"stress" 
>>>>>> [  +0.004556] flags: 0x5fffffc0000004(uptodate)
>>>>>> [  +0.007339] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
>>>>>> [  +0.009488] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
>>>>>> [  +0.007726] page->mem_cgroup:ffff888e7353d000
>>>>>> [  +0.084538] migrating pfn 10fff7d0 failed 
>>>>>> [  +0.000006] page:ffffea043ffdf400 count:210 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
>>>>>> [  +0.012798] xfs_address_space_operations [xfs] 
>>>>>> [  +0.000034] name:"stress" 
>>>>>> [  +0.004524] flags: 0x5fffffc0000004(uptodate)
>>>>>> [  +0.007068] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
>>>>>> [  +0.009359] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
>>>>>> [  +0.007728] page->mem_cgroup:ffff888e7353d000
>>>>>
>>>>> I wouldn't be surprised if this was a similar/same issue I've been
>>>>> chasing recently. Could you try to disable faultaround to see if that
>>>>> helps. It seems that it helped in my particular case but I am still
>>>>> waiting for the final good-to-go to post the patch as I do not own the
>>>>> workload which triggered that issue.
>>>>
>>>> Tried, still stuck in last block sometime. Usually after several times
>>>> of hotplug/unplug. If stop stress program, the last block will be
>>>> offlined immediately.
>>>
>>> Is the pattern still the same? I mean failing over few pages with
>>> reference count jumping up and down between attempts?
>>
>> ->count jumping up and down, mapcount stays the same value.
>>
>>>
>>>> [root@ ~]# cat /sys/kernel/debug/fault_around_bytes 
>>>> 4096
>>>
>>> Can you make it 0?
>>
>> I executed 'echo 0 > fault_around_bytes', value less than one page size
>> will round up to one page.
> 
> OK, I have missed that. So then there must be a different source of the
> page count volatility. Is it always the same file?
> 
> I think we can rule out memory reclaim because that depends on the page
> lock. Is the stress test hitting on memory compaction? In other words,
> are
> grep compact /proc/vmstat
> counters changing during the offline test heavily? I am asking because I
> do not see compaction pfn walkers skipping over MIGRATE_ISOLATE
> pageblocks. But I might be missing something easily.
> 
> It would be also good to find out whether this is fs specific. E.g. does
> it make any difference if you use a different one for your stress
> testing?
> 

I am wondering why it is always the last memory block of that device
(and even that node). Coincidence?

-- 

Thanks,

David / dhildenb

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15  9:42                 ` David Hildenbrand
@ 2018-11-15  9:52                   ` Baoquan He
  2018-11-15  9:53                     ` David Hildenbrand
  0 siblings, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-15  9:52 UTC (permalink / raw)
  To: David Hildenbrand; +Cc: Michal Hocko, linux-mm, linux-kernel, akpm, aarcange

On 11/15/18 at 10:42am, David Hildenbrand wrote:
> I am wondering why it is always the last memory block of that device
> (and even that node). Coincidence?

I remember one or two times it's the last 6G or 4G which stall there,
the size of memory block is 2G. But most of time it's the last memory
block. And from the debug printing added by Michal's patch, it's the
stress program itself which owns the migrating page and loop forvever
there.

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15  9:52                   ` Baoquan He
@ 2018-11-15  9:53                     ` David Hildenbrand
  0 siblings, 0 replies; 54+ messages in thread
From: David Hildenbrand @ 2018-11-15  9:53 UTC (permalink / raw)
  To: Baoquan He; +Cc: Michal Hocko, linux-mm, linux-kernel, akpm, aarcange

On 15.11.18 10:52, Baoquan He wrote:
> On 11/15/18 at 10:42am, David Hildenbrand wrote:
>> I am wondering why it is always the last memory block of that device
>> (and even that node). Coincidence?
> 
> I remember one or two times it's the last 6G or 4G which stall there,
> the size of memory block is 2G. But most of time it's the last memory
> block. And from the debug printing added by Michal's patch, it's the
> stress program itself which owns the migrating page and loop forvever
> there.
> 

Alright, seems like you found a very good reproducer for an existing
problem :)

-- 

Thanks,

David / dhildenb

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15  8:30               ` Michal Hocko
  2018-11-15  9:42                 ` David Hildenbrand
@ 2018-11-15 13:12                 ` Baoquan He
  2018-11-15 13:19                   ` Michal Hocko
  1 sibling, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-15 13:12 UTC (permalink / raw)
  To: Michal Hocko; +Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On 11/15/18 at 09:30am, Michal Hocko wrote:
> On Thu 15-11-18 15:53:56, Baoquan He wrote:
> > On 11/15/18 at 08:30am, Michal Hocko wrote:
> > > On Thu 15-11-18 13:10:34, Baoquan He wrote:
> > > > On 11/14/18 at 04:00pm, Michal Hocko wrote:
> > > > > On Wed 14-11-18 22:52:50, Baoquan He wrote:
> > > > > > On 11/14/18 at 10:01am, Michal Hocko wrote:
> > > > > > > I have seen an issue when the migration cannot make a forward progress
> > > > > > > because of a glibc page with a reference count bumping up and down. Most
> > > > > > > probable explanation is the faultaround code. I am working on this and
> > > > > > > will post a patch soon. In any case the migration should converge and if
> > > > > > > it doesn't do then there is a bug lurking somewhere.
> > > > > > > 
> > > > > > > Failing on ENOMEM is a questionable thing. I haven't seen that happening
> > > > > > > wildly but if it is a case then I wouldn't be opposed.
> > > > > > 
> > > > > > Applied your debugging patches, it helps a lot to printing message.
> > > > > > 
> > > > > > Below is the dmesg log about the migrating failure. It can't pass
> > > > > > migrate_pages() and loop forever.
> > > > > > 
> > > > > > [  +0.083841] migrating pfn 10fff7d0 failed 
> > > > > > [  +0.000005] page:ffffea043ffdf400 count:208 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > > > > > [  +0.012689] xfs_address_space_operations [xfs] 
> > > > > > [  +0.000030] name:"stress" 
> > > > > > [  +0.004556] flags: 0x5fffffc0000004(uptodate)
> > > > > > [  +0.007339] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > > > > > [  +0.009488] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > > > > > [  +0.007726] page->mem_cgroup:ffff888e7353d000
> > > > > > [  +0.084538] migrating pfn 10fff7d0 failed 
> > > > > > [  +0.000006] page:ffffea043ffdf400 count:210 mapcount:201 mapping:ffff888dff4bdda8 index:0x2
> > > > > > [  +0.012798] xfs_address_space_operations [xfs] 
> > > > > > [  +0.000034] name:"stress" 
> > > > > > [  +0.004524] flags: 0x5fffffc0000004(uptodate)
> > > > > > [  +0.007068] raw: 005fffffc0000004 ffffc900000e3d80 ffffc900000e3d80 ffff888dff4bdda8
> > > > > > [  +0.009359] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e7353d000
> > > > > > [  +0.007728] page->mem_cgroup:ffff888e7353d000
> > > > > 
> > > > > I wouldn't be surprised if this was a similar/same issue I've been
> > > > > chasing recently. Could you try to disable faultaround to see if that
> > > > > helps. It seems that it helped in my particular case but I am still
> > > > > waiting for the final good-to-go to post the patch as I do not own the
> > > > > workload which triggered that issue.
> > > > 
> > > > Tried, still stuck in last block sometime. Usually after several times
> > > > of hotplug/unplug. If stop stress program, the last block will be
> > > > offlined immediately.
> > > 
> > > Is the pattern still the same? I mean failing over few pages with
> > > reference count jumping up and down between attempts?
> > 
> > ->count jumping up and down, mapcount stays the same value.
> > 
> > > 
> > > > [root@ ~]# cat /sys/kernel/debug/fault_around_bytes 
> > > > 4096
> > > 
> > > Can you make it 0?
> > 
> > I executed 'echo 0 > fault_around_bytes', value less than one page size
> > will round up to one page.
> 
> OK, I have missed that. So then there must be a different source of the
> page count volatility. Is it always the same file?
> 
> I think we can rule out memory reclaim because that depends on the page
> lock. Is the stress test hitting on memory compaction? In other words,
> are
> grep compact /proc/vmstat
> counters changing during the offline test heavily? I am asking because I
> do not see compaction pfn walkers skipping over MIGRATE_ISOLATE
> pageblocks. But I might be missing something easily.
> 
> It would be also good to find out whether this is fs specific. E.g. does
> it make any difference if you use a different one for your stress
> testing?

Created a ramdisk and put stress bin there, then run stress -m 200, now
seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
is a big suspect. At bottom I paste numactl printing, you can see that it's
the last 4G.

Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
access and activate it.

[ 5055.461652] migrating pfn 190f4fb3e failed 
[ 5055.461671] page:ffffea643d3ecf80 count:257 mapcount:251 mapping:ffff888e7a6ac528 index:0x85
[ 5055.474734] xfs_address_space_operations [xfs] 
[ 5055.474742] name:"libc-2.28.so" 
[ 5055.481070] flags: 0x1dfffffc0000026(referenced|uptodate|active)
[ 5055.490329] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
[ 5055.498080] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
[ 5055.505823] page->mem_cgroup:ffff88810a8f2000
[ 5056.335970] migrating pfn 190f4fb3e failed 
[ 5056.335990] page:ffffea643d3ecf80 count:255 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
[ 5056.348994] xfs_address_space_operations [xfs] 
[ 5056.348998] name:"libc-2.28.so" 
[ 5056.353555] flags: 0x1dfffffc0000026(referenced|uptodate|active)
[ 5056.364680] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
[ 5056.372428] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
[ 5056.380172] page->mem_cgroup:ffff88810a8f2000
[ 5057.332806] migrating pfn 190f4fb3e failed 
[ 5057.332821] page:ffffea643d3ecf80 count:261 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
[ 5057.345889] xfs_address_space_operations [xfs] 
[ 5057.345900] name:"libc-2.28.so" 
[ 5057.350451] flags: 0x1dfffffc0000026(referenced|uptodate|active)
[ 5057.359707] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
[ 5057.369285] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
[ 5057.377030] page->mem_cgroup:ffff88810a8f2000
[ 5058.285457] migrating pfn 190f4fb3e failed 
[ 5058.285489] page:ffffea643d3ecf80 count:257 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
[ 5058.298544] xfs_address_space_operations [xfs] 
[ 5058.298556] name:"libc-2.28.so" 
[ 5058.303092] flags: 0x1dfffffc0000026(referenced|uptodate|active)
[ 5058.314358] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
[ 5058.322109] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
[ 5058.329848] page->mem_cgroup:ffff88810a8f2000


[root@~]# numactl -H
available: 8 nodes (0-7)
node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
node 0 size: 59817 MB
node 0 free: 54253 MB
node 1 cpus: 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179
node 1 size: 65536 MB
node 1 free: 61158 MB
node 2 cpus: 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197
node 2 size: 65536 MB
node 2 free: 62752 MB
node 3 cpus: 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215
node 3 size: 65536 MB
node 3 free: 62708 MB
node 4 cpus: 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
node 4 size: 34816 MB
node 4 free: 24141 MB
node 5 cpus: 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251
node 5 size: 0 MB
node 5 free: 0 MB
node 6 cpus: 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269
node 6 size: 0 MB
node 6 free: 0 MB
node 7 cpus: 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287
node 7 size: 4096 MB
node 7 free: 6 MB
node distances:
node   0   1   2   3   4   5   6   7 
  0:  10  21  31  21  41  41  51  51 
  1:  21  10  21  31  41  41  51  51 
  2:  31  21  10  21  51  51  41  41 
  3:  21  31  21  10  51  51  41  41 
  4:  41  41  51  51  10  21  31  21 
  5:  41  41  51  51  21  10  21  31 
  6:  51  51  41  41  31  21  10  21 
  7:  51  51  41  41  21  31  21  10


^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15 13:12                 ` Baoquan He
@ 2018-11-15 13:19                   ` Michal Hocko
  2018-11-15 13:23                     ` Baoquan He
  2018-11-15 13:38                     ` Baoquan He
  0 siblings, 2 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-15 13:19 UTC (permalink / raw)
  To: Baoquan He; +Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On Thu 15-11-18 21:12:11, Baoquan He wrote:
> On 11/15/18 at 09:30am, Michal Hocko wrote:
[...]
> > It would be also good to find out whether this is fs specific. E.g. does
> > it make any difference if you use a different one for your stress
> > testing?
> 
> Created a ramdisk and put stress bin there, then run stress -m 200, now
> seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
> is a big suspect. At bottom I paste numactl printing, you can see that it's
> the last 4G.
> 
> Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
> access and activate it.

Is this still with faultaround disabled? I have seen exactly same
pattern in the bug I am working on. It was ext4 though.

> [ 5055.461652] migrating pfn 190f4fb3e failed 
> [ 5055.461671] page:ffffea643d3ecf80 count:257 mapcount:251 mapping:ffff888e7a6ac528 index:0x85
> [ 5055.474734] xfs_address_space_operations [xfs] 
> [ 5055.474742] name:"libc-2.28.so" 
> [ 5055.481070] flags: 0x1dfffffc0000026(referenced|uptodate|active)
> [ 5055.490329] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
> [ 5055.498080] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
> [ 5055.505823] page->mem_cgroup:ffff88810a8f2000
> [ 5056.335970] migrating pfn 190f4fb3e failed 
> [ 5056.335990] page:ffffea643d3ecf80 count:255 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
> [ 5056.348994] xfs_address_space_operations [xfs] 
> [ 5056.348998] name:"libc-2.28.so" 
> [ 5056.353555] flags: 0x1dfffffc0000026(referenced|uptodate|active)
> [ 5056.364680] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
> [ 5056.372428] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
> [ 5056.380172] page->mem_cgroup:ffff88810a8f2000
> [ 5057.332806] migrating pfn 190f4fb3e failed 
> [ 5057.332821] page:ffffea643d3ecf80 count:261 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
> [ 5057.345889] xfs_address_space_operations [xfs] 
> [ 5057.345900] name:"libc-2.28.so" 
> [ 5057.350451] flags: 0x1dfffffc0000026(referenced|uptodate|active)
> [ 5057.359707] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
> [ 5057.369285] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
> [ 5057.377030] page->mem_cgroup:ffff88810a8f2000
> [ 5058.285457] migrating pfn 190f4fb3e failed 
> [ 5058.285489] page:ffffea643d3ecf80 count:257 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
> [ 5058.298544] xfs_address_space_operations [xfs] 
> [ 5058.298556] name:"libc-2.28.so" 
> [ 5058.303092] flags: 0x1dfffffc0000026(referenced|uptodate|active)
> [ 5058.314358] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
> [ 5058.322109] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
> [ 5058.329848] page->mem_cgroup:ffff88810a8f2000
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15 13:19                   ` Michal Hocko
@ 2018-11-15 13:23                     ` Baoquan He
  2018-11-15 14:25                       ` Michal Hocko
  2018-11-15 13:38                     ` Baoquan He
  1 sibling, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-15 13:23 UTC (permalink / raw)
  To: Michal Hocko, pifang
  Cc: David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On 11/15/18 at 02:19pm, Michal Hocko wrote:
> On Thu 15-11-18 21:12:11, Baoquan He wrote:
> > On 11/15/18 at 09:30am, Michal Hocko wrote:
> [...]
> > > It would be also good to find out whether this is fs specific. E.g. does
> > > it make any difference if you use a different one for your stress
> > > testing?
> > 
> > Created a ramdisk and put stress bin there, then run stress -m 200, now
> > seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
> > is a big suspect. At bottom I paste numactl printing, you can see that it's
> > the last 4G.
> > 
> > Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
> > access and activate it.
> 
> Is this still with faultaround disabled? I have seen exactly same
> pattern in the bug I am working on. It was ext4 though.

No, forgot disabling faultround after reboot. Do we need to disable it and
retest?

> 
> > [ 5055.461652] migrating pfn 190f4fb3e failed 
> > [ 5055.461671] page:ffffea643d3ecf80 count:257 mapcount:251 mapping:ffff888e7a6ac528 index:0x85
> > [ 5055.474734] xfs_address_space_operations [xfs] 
> > [ 5055.474742] name:"libc-2.28.so" 
> > [ 5055.481070] flags: 0x1dfffffc0000026(referenced|uptodate|active)
> > [ 5055.490329] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
> > [ 5055.498080] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
> > [ 5055.505823] page->mem_cgroup:ffff88810a8f2000
> > [ 5056.335970] migrating pfn 190f4fb3e failed 
> > [ 5056.335990] page:ffffea643d3ecf80 count:255 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
> > [ 5056.348994] xfs_address_space_operations [xfs] 
> > [ 5056.348998] name:"libc-2.28.so" 
> > [ 5056.353555] flags: 0x1dfffffc0000026(referenced|uptodate|active)
> > [ 5056.364680] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
> > [ 5056.372428] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
> > [ 5056.380172] page->mem_cgroup:ffff88810a8f2000
> > [ 5057.332806] migrating pfn 190f4fb3e failed 
> > [ 5057.332821] page:ffffea643d3ecf80 count:261 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
> > [ 5057.345889] xfs_address_space_operations [xfs] 
> > [ 5057.345900] name:"libc-2.28.so" 
> > [ 5057.350451] flags: 0x1dfffffc0000026(referenced|uptodate|active)
> > [ 5057.359707] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
> > [ 5057.369285] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
> > [ 5057.377030] page->mem_cgroup:ffff88810a8f2000
> > [ 5058.285457] migrating pfn 190f4fb3e failed 
> > [ 5058.285489] page:ffffea643d3ecf80 count:257 mapcount:250 mapping:ffff888e7a6ac528 index:0x85
> > [ 5058.298544] xfs_address_space_operations [xfs] 
> > [ 5058.298556] name:"libc-2.28.so" 
> > [ 5058.303092] flags: 0x1dfffffc0000026(referenced|uptodate|active)
> > [ 5058.314358] raw: 01dfffffc0000026 ffffc900000e3d80 ffffc900000e3d80 ffff888e7a6ac528
> > [ 5058.322109] raw: 0000000000000085 0000000000000000 000000fc000000f9 ffff88810a8f2000
> > [ 5058.329848] page->mem_cgroup:ffff88810a8f2000
> -- 
> Michal Hocko
> SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15 13:19                   ` Michal Hocko
  2018-11-15 13:23                     ` Baoquan He
@ 2018-11-15 13:38                     ` Baoquan He
  2018-11-15 14:32                       ` Michal Hocko
  1 sibling, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-15 13:38 UTC (permalink / raw)
  To: Michal Hocko
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm, aarcange

On 11/15/18 at 02:19pm, Michal Hocko wrote:
> On Thu 15-11-18 21:12:11, Baoquan He wrote:
> > On 11/15/18 at 09:30am, Michal Hocko wrote:
> [...]
> > > It would be also good to find out whether this is fs specific. E.g. does
> > > it make any difference if you use a different one for your stress
> > > testing?
> > 
> > Created a ramdisk and put stress bin there, then run stress -m 200, now
> > seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
> > is a big suspect. At bottom I paste numactl printing, you can see that it's
> > the last 4G.
> > 
> > Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
> > access and activate it.
> 
> Is this still with faultaround disabled? I have seen exactly same
> pattern in the bug I am working on. It was ext4 though.

After a long time struggling, the last 2nd block where libc-2.28.so is
located is reclaimed, now it comes to the last memory block, still
stress program itself. swap migration entry has been made and trying to
unmap, now it's looping there.

[  +0.004445] migrating pfn 190ff2bb0 failed 
[  +0.000013] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
[  +0.012809] shmem_aops 
[  +0.000011] name:"stress" 
[  +0.002550] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
[  +0.010715] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
[  +0.007828] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
[  +0.007810] page->mem_cgroup:ffff888e72e92000
[  +0.004466] migrating pfn 190ff2bb1 failed 
[  +0.000013] page:ffffea643fcaec40 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x2
[  +0.014321] shmem_aops 
[  +0.000024] name:"stress" 
[  +0.002535] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
[  +0.010680] raw: 01dfffffc008004e ffffc900000e3d80 ffffea643fcaec08 ffff888dfb268f48
[  +0.007863] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e72e92000
[  +0.007828] page->mem_cgroup:ffff888e72e92000
[  +1.357302] migrating pfn 190ff1c53 failed 
[  +0.000011] page:ffffea643fc714c0 count:202 mapcount:201 mapping:ffff888e5e395109 index:0x28
[  +0.012756] anon 
[  +0.000024] flags: 0x1dfffffc008004c(uptodate|dirty|workingset|swapbacked)
[  +0.008961] raw: 01dfffffc008004c ffffea643fcaec08 ffffc900000e3d80 ffff888e5e395109
[  +0.007847] raw: 0000000000000028 0000000000000000 000000ca000000c8 ffff888e72e92000
[  +0.007844] page->mem_cgroup:ffff888e72e92000
[  +0.004455] migrating pfn 190ff2bb0 failed 
[  +0.000018] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
[  +0.014392] shmem_aops 
[  +0.000010] name:"stress" 
[  +0.002565] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
[  +0.010675] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
[  +0.007819] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
[  +0.007808] page->mem_cgroup:ffff888e72e92000
[  +0.004431] migrating pfn 190ff2bb1 failed 
[  +0.000019] page:ffffea643fcaec40 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x2
[  +0.012688] shmem_aops 
[  +0.000012] name:"stress" 
[  +0.002525] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
[  +0.012385] raw: 01dfffffc008004e ffffc900000e3d80 ffffea643fcaec08 ffff888dfb268f48
[  +0.007840] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e72e92000
[  +0.007832] page->mem_cgroup:ffff888e72e92000


^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15 13:23                     ` Baoquan He
@ 2018-11-15 14:25                       ` Michal Hocko
  0 siblings, 0 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-15 14:25 UTC (permalink / raw)
  To: Baoquan He
  Cc: pifang, David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange

On Thu 15-11-18 21:23:42, Baoquan He wrote:
> On 11/15/18 at 02:19pm, Michal Hocko wrote:
> > On Thu 15-11-18 21:12:11, Baoquan He wrote:
> > > On 11/15/18 at 09:30am, Michal Hocko wrote:
> > [...]
> > > > It would be also good to find out whether this is fs specific. E.g. does
> > > > it make any difference if you use a different one for your stress
> > > > testing?
> > > 
> > > Created a ramdisk and put stress bin there, then run stress -m 200, now
> > > seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
> > > is a big suspect. At bottom I paste numactl printing, you can see that it's
> > > the last 4G.
> > > 
> > > Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
> > > access and activate it.
> > 
> > Is this still with faultaround disabled? I have seen exactly same
> > pattern in the bug I am working on. It was ext4 though.
> 
> No, forgot disabling faultround after reboot. Do we need to disable it and
> retest?

No the faultaround is checked at the time of the fault. The reason why I
am suspecting this path is that it can elevate the reference count
before taking the lock. Normal page fault path should lock the page
first. And we hold the lock while trying to migrate that page.
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15 13:38                     ` Baoquan He
@ 2018-11-15 14:32                       ` Michal Hocko
  2018-11-15 14:34                         ` Baoquan He
  2018-11-16  1:24                         ` Baoquan He
  0 siblings, 2 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-15 14:32 UTC (permalink / raw)
  To: Baoquan He
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm, aarcange

On Thu 15-11-18 21:38:40, Baoquan He wrote:
> On 11/15/18 at 02:19pm, Michal Hocko wrote:
> > On Thu 15-11-18 21:12:11, Baoquan He wrote:
> > > On 11/15/18 at 09:30am, Michal Hocko wrote:
> > [...]
> > > > It would be also good to find out whether this is fs specific. E.g. does
> > > > it make any difference if you use a different one for your stress
> > > > testing?
> > > 
> > > Created a ramdisk and put stress bin there, then run stress -m 200, now
> > > seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
> > > is a big suspect. At bottom I paste numactl printing, you can see that it's
> > > the last 4G.
> > > 
> > > Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
> > > access and activate it.
> > 
> > Is this still with faultaround disabled? I have seen exactly same
> > pattern in the bug I am working on. It was ext4 though.
> 
> After a long time struggling, the last 2nd block where libc-2.28.so is
> located is reclaimed, now it comes to the last memory block, still
> stress program itself. swap migration entry has been made and trying to
> unmap, now it's looping there.
> 
> [  +0.004445] migrating pfn 190ff2bb0 failed 
> [  +0.000013] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
> [  +0.012809] shmem_aops 
> [  +0.000011] name:"stress" 
> [  +0.002550] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
> [  +0.010715] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
> [  +0.007828] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
> [  +0.007810] page->mem_cgroup:ffff888e72e92000
[...]
> [  +0.004455] migrating pfn 190ff2bb0 failed 
> [  +0.000018] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
> [  +0.014392] shmem_aops 
> [  +0.000010] name:"stress" 
> [  +0.002565] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
> [  +0.010675] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
> [  +0.007819] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
> [  +0.007808] page->mem_cgroup:ffff888e72e92000

OK, so this is tmpfs backed code of your stree test. This just tells us
that this is not fs specific. Reference count is 2 more than the map
count which is the expected state. So the reference count must have been
elevated at the time when the migration was attempted. Shmem supports
fault around so this might be still possible (assuming it is enabled).
If not we really need to dig deeper. I will think of a debugging patch.
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15 14:32                       ` Michal Hocko
@ 2018-11-15 14:34                         ` Baoquan He
  2018-11-16  1:24                         ` Baoquan He
  1 sibling, 0 replies; 54+ messages in thread
From: Baoquan He @ 2018-11-15 14:34 UTC (permalink / raw)
  To: Michal Hocko
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm, aarcange

On 11/15/18 at 03:32pm, Michal Hocko wrote:
> On Thu 15-11-18 21:38:40, Baoquan He wrote:
> > On 11/15/18 at 02:19pm, Michal Hocko wrote:
> > > On Thu 15-11-18 21:12:11, Baoquan He wrote:
> > > > On 11/15/18 at 09:30am, Michal Hocko wrote:
> > > [...]
> > > > > It would be also good to find out whether this is fs specific. E.g. does
> > > > > it make any difference if you use a different one for your stress
> > > > > testing?
> > > > 
> > > > Created a ramdisk and put stress bin there, then run stress -m 200, now
> > > > seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
> > > > is a big suspect. At bottom I paste numactl printing, you can see that it's
> > > > the last 4G.
> > > > 
> > > > Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
> > > > access and activate it.
> > > 
> > > Is this still with faultaround disabled? I have seen exactly same
> > > pattern in the bug I am working on. It was ext4 though.
> > 
> > After a long time struggling, the last 2nd block where libc-2.28.so is
> > located is reclaimed, now it comes to the last memory block, still
> > stress program itself. swap migration entry has been made and trying to
> > unmap, now it's looping there.
> > 
> > [  +0.004445] migrating pfn 190ff2bb0 failed 
> > [  +0.000013] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
> > [  +0.012809] shmem_aops 
> > [  +0.000011] name:"stress" 
> > [  +0.002550] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
> > [  +0.010715] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
> > [  +0.007828] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
> > [  +0.007810] page->mem_cgroup:ffff888e72e92000
> [...]
> > [  +0.004455] migrating pfn 190ff2bb0 failed 
> > [  +0.000018] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
> > [  +0.014392] shmem_aops 
> > [  +0.000010] name:"stress" 
> > [  +0.002565] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
> > [  +0.010675] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
> > [  +0.007819] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
> > [  +0.007808] page->mem_cgroup:ffff888e72e92000
> 
> OK, so this is tmpfs backed code of your stree test. This just tells us
> that this is not fs specific. Reference count is 2 more than the map
> count which is the expected state. So the reference count must have been
> elevated at the time when the migration was attempted. Shmem supports
> fault around so this might be still possible (assuming it is enabled).
> If not we really need to dig deeper. I will think of a debugging patch.

Yes, faultaround is enabled. Will disable it and test again. Will report
test result.

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-15 14:32                       ` Michal Hocko
  2018-11-15 14:34                         ` Baoquan He
@ 2018-11-16  1:24                         ` Baoquan He
  2018-11-16  9:14                           ` Michal Hocko
  1 sibling, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-16  1:24 UTC (permalink / raw)
  To: Michal Hocko
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm, aarcange

On 11/15/18 at 03:32pm, Michal Hocko wrote:
> On Thu 15-11-18 21:38:40, Baoquan He wrote:
> > On 11/15/18 at 02:19pm, Michal Hocko wrote:
> > > On Thu 15-11-18 21:12:11, Baoquan He wrote:
> > > > On 11/15/18 at 09:30am, Michal Hocko wrote:
> > > [...]
> > > > > It would be also good to find out whether this is fs specific. E.g. does
> > > > > it make any difference if you use a different one for your stress
> > > > > testing?
> > > > 
> > > > Created a ramdisk and put stress bin there, then run stress -m 200, now
> > > > seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
> > > > is a big suspect. At bottom I paste numactl printing, you can see that it's
> > > > the last 4G.
> > > > 
> > > > Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
> > > > access and activate it.
> > > 
> > > Is this still with faultaround disabled? I have seen exactly same
> > > pattern in the bug I am working on. It was ext4 though.
> > 
> > After a long time struggling, the last 2nd block where libc-2.28.so is
> > located is reclaimed, now it comes to the last memory block, still
> > stress program itself. swap migration entry has been made and trying to
> > unmap, now it's looping there.
> > 
> > [  +0.004445] migrating pfn 190ff2bb0 failed 
> > [  +0.000013] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
> > [  +0.012809] shmem_aops 
> > [  +0.000011] name:"stress" 
> > [  +0.002550] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
> > [  +0.010715] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
> > [  +0.007828] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
> > [  +0.007810] page->mem_cgroup:ffff888e72e92000
> [...]
> > [  +0.004455] migrating pfn 190ff2bb0 failed 
> > [  +0.000018] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
> > [  +0.014392] shmem_aops 
> > [  +0.000010] name:"stress" 
> > [  +0.002565] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
> > [  +0.010675] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
> > [  +0.007819] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
> > [  +0.007808] page->mem_cgroup:ffff888e72e92000
> 
> OK, so this is tmpfs backed code of your stree test. This just tells us
> that this is not fs specific. Reference count is 2 more than the map
> count which is the expected state. So the reference count must have been
> elevated at the time when the migration was attempted. Shmem supports
> fault around so this might be still possible (assuming it is enabled).
> If not we really need to dig deeper. I will think of a debugging patch.

Disabled faultaround and reboot, test again, it's looping forever in the
last block again, on node2, stress progam itself again. The weird is
refcount seems to have been crazy, a random number now. There must be
something going wrong.

[  +0.058624] migrating pfn 80fd6fbe failed 
[  +0.000003] page:ffffea203f5bef80 count:336 mapcount:201 mapping:ffff888e1c9357d8 index:0x2
[  +0.014122] shmem_aops 
[  +0.000000] name:"stress" 
[  +0.002467] flags: 0x9fffffc008000e(referenced|uptodate|dirty|swapbacked)
[  +0.009511] raw: 009fffffc008000e ffffc900000e3d80 ffffc900000e3d80 ffff888e1c9357d8
[  +0.007743] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e2233d000
[  +0.007740] page->mem_cgroup:ffff888e2233d000
[  +0.038916] migrating pfn 80fd6fbe failed 
[  +0.000003] page:ffffea203f5bef80 count:349 mapcount:201 mapping:ffff888e1c9357d8 index:0x2
[  +0.012453] shmem_aops 
[  +0.000001] name:"stress" 
[  +0.002641] flags: 0x9fffffc008000e(referenced|uptodate|dirty|swapbacked)
[  +0.009501] raw: 009fffffc008000e ffffc900000e3d80 ffffc900000e3d80 ffff888e1c9357d8
[  +0.007746] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e2233d000
[  +0.007740] page->mem_cgroup:ffff888e2233d000
[  +0.061226] migrating pfn 80fd6fbe failed 
[  +0.000004] page:ffffea203f5bef80 count:276 mapcount:201 mapping:ffff888e1c9357d8 index:0x2
[  +0.014129] shmem_aops 
[  +0.000002] name:"stress" 
[  +0.003246] flags: 0x9fffffc008008e(waiters|referenced|uptodate|dirty|swapbacked)
[  +0.010183] raw: 009fffffc008008e ffffc900000e3d80 ffffc900000e3d80 ffff888e1c9357d8
[  +0.007742] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e2233d000
[  +0.007733] page->mem_cgroup:ffff888e2233d000
[  +0.037305] migrating pfn 80fd6fbe failed 
[  +0.000003] page:ffffea203f5bef80 count:304 mapcount:201 mapping:ffff888e1c9357d8 index:0x2
[  +0.012449] shmem_aops 
[  +0.000002] name:"stress" 
[  +0.002469] flags: 0x9fffffc008000e(referenced|uptodate|dirty|swapbacked)
[  +0.009495] raw: 009fffffc008000e ffffc900000e3d80 ffffc900000e3d80 ffff888e1c9357d8
[  +0.007743] raw: 0000000000000002 0000000000000000 000000cb000000c8 ffff888e2233d000
[  +0.007736] page->mem_cgroup:ffff888e2233d000

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-16  1:24                         ` Baoquan He
@ 2018-11-16  9:14                           ` Michal Hocko
  2018-11-17  4:22                             ` Baoquan He
       [not found]                             ` <20181119105202.GE18471@MiWiFi-R3L-srv>
  0 siblings, 2 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-16  9:14 UTC (permalink / raw)
  To: Baoquan He
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm, aarcange

On Fri 16-11-18 09:24:33, Baoquan He wrote:
> On 11/15/18 at 03:32pm, Michal Hocko wrote:
> > On Thu 15-11-18 21:38:40, Baoquan He wrote:
> > > On 11/15/18 at 02:19pm, Michal Hocko wrote:
> > > > On Thu 15-11-18 21:12:11, Baoquan He wrote:
> > > > > On 11/15/18 at 09:30am, Michal Hocko wrote:
> > > > [...]
> > > > > > It would be also good to find out whether this is fs specific. E.g. does
> > > > > > it make any difference if you use a different one for your stress
> > > > > > testing?
> > > > > 
> > > > > Created a ramdisk and put stress bin there, then run stress -m 200, now
> > > > > seems it's stuck in libc-2.28.so migrating. And it's still xfs. So now xfs
> > > > > is a big suspect. At bottom I paste numactl printing, you can see that it's
> > > > > the last 4G.
> > > > > 
> > > > > Seems it's trying to migrate libc-2.28.so, but stress program keeps trying to
> > > > > access and activate it.
> > > > 
> > > > Is this still with faultaround disabled? I have seen exactly same
> > > > pattern in the bug I am working on. It was ext4 though.
> > > 
> > > After a long time struggling, the last 2nd block where libc-2.28.so is
> > > located is reclaimed, now it comes to the last memory block, still
> > > stress program itself. swap migration entry has been made and trying to
> > > unmap, now it's looping there.
> > > 
> > > [  +0.004445] migrating pfn 190ff2bb0 failed 
> > > [  +0.000013] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
> > > [  +0.012809] shmem_aops 
> > > [  +0.000011] name:"stress" 
> > > [  +0.002550] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
> > > [  +0.010715] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
> > > [  +0.007828] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
> > > [  +0.007810] page->mem_cgroup:ffff888e72e92000
> > [...]
> > > [  +0.004455] migrating pfn 190ff2bb0 failed 
> > > [  +0.000018] page:ffffea643fcaec00 count:203 mapcount:201 mapping:ffff888dfb268f48 index:0x0
> > > [  +0.014392] shmem_aops 
> > > [  +0.000010] name:"stress" 
> > > [  +0.002565] flags: 0x1dfffffc008004e(referenced|uptodate|dirty|workingset|swapbacked)
> > > [  +0.010675] raw: 01dfffffc008004e ffffea643fcaec48 ffffea643fc714c8 ffff888dfb268f48
> > > [  +0.007819] raw: 0000000000000000 0000000000000000 000000cb000000c8 ffff888e72e92000
> > > [  +0.007808] page->mem_cgroup:ffff888e72e92000
> > 
> > OK, so this is tmpfs backed code of your stree test. This just tells us
> > that this is not fs specific. Reference count is 2 more than the map
> > count which is the expected state. So the reference count must have been
> > elevated at the time when the migration was attempted. Shmem supports
> > fault around so this might be still possible (assuming it is enabled).
> > If not we really need to dig deeper. I will think of a debugging patch.
> 
> Disabled faultaround and reboot, test again, it's looping forever in the
> last block again, on node2, stress progam itself again. The weird is
> refcount seems to have been crazy, a random number now. There must be
> something going wrong.

Could you try to apply this debugging patch on top please? It will dump
stack trace for each reference count elevation for one page that fails
to migrate after multiple passes.

diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h
index 14d14beb1f7f..b64ebf253381 100644
--- a/include/linux/page_ref.h
+++ b/include/linux/page_ref.h
@@ -72,9 +72,12 @@ static inline int page_count(struct page *page)
 	return atomic_read(&compound_head(page)->_refcount);
 }
 
+struct page *page_to_track;
 static inline void set_page_count(struct page *page, int v)
 {
 	atomic_set(&page->_refcount, v);
+	if (page == page_to_track)
+		dump_stack();
 	if (page_ref_tracepoint_active(__tracepoint_page_ref_set))
 		__page_ref_set(page, v);
 }
@@ -91,6 +94,8 @@ static inline void init_page_count(struct page *page)
 static inline void page_ref_add(struct page *page, int nr)
 {
 	atomic_add(nr, &page->_refcount);
+	if (page == page_to_track)
+		dump_stack();
 	if (page_ref_tracepoint_active(__tracepoint_page_ref_mod))
 		__page_ref_mod(page, nr);
 }
@@ -105,6 +110,8 @@ static inline void page_ref_sub(struct page *page, int nr)
 static inline void page_ref_inc(struct page *page)
 {
 	atomic_inc(&page->_refcount);
+	if (page == page_to_track)
+		dump_stack();
 	if (page_ref_tracepoint_active(__tracepoint_page_ref_mod))
 		__page_ref_mod(page, 1);
 }
@@ -129,6 +136,8 @@ static inline int page_ref_inc_return(struct page *page)
 {
 	int ret = atomic_inc_return(&page->_refcount);
 
+	if (page == page_to_track)
+		dump_stack();
 	if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_return))
 		__page_ref_mod_and_return(page, 1, ret);
 	return ret;
@@ -156,6 +165,8 @@ static inline int page_ref_add_unless(struct page *page, int nr, int u)
 {
 	int ret = atomic_add_unless(&page->_refcount, nr, u);
 
+	if (page == page_to_track)
+		dump_stack();
 	if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_unless))
 		__page_ref_mod_unless(page, nr, ret);
 	return ret;
diff --git a/mm/migrate.c b/mm/migrate.c
index f7e4bfdc13b7..9b2e395a3d68 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1338,6 +1338,8 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
 	return rc;
 }
 
+struct page *page_to_track;
+
 /*
  * migrate_pages - migrate the pages specified in a list, to the free pages
  *		   supplied as the target for the page migration
@@ -1375,6 +1377,7 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
 	if (!swapwrite)
 		current->flags |= PF_SWAPWRITE;
 
+	page_to_track = NULL;
 	for(pass = 0; pass < 10 && retry; pass++) {
 		retry = 0;
 
@@ -1417,6 +1420,8 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
 				goto out;
 			case -EAGAIN:
 				retry++;
+				if (pass > 1 && !page_to_track)
+					page_to_track = page;
 				break;
 			case MIGRATEPAGE_SUCCESS:
 				nr_succeeded++;
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-16  9:14                           ` Michal Hocko
@ 2018-11-17  4:22                             ` Baoquan He
       [not found]                             ` <20181119105202.GE18471@MiWiFi-R3L-srv>
  1 sibling, 0 replies; 54+ messages in thread
From: Baoquan He @ 2018-11-17  4:22 UTC (permalink / raw)
  To: Michal Hocko
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm, aarcange

On 11/16/18 at 10:14am, Michal Hocko wrote:
> Could you try to apply this debugging patch on top please? It will dump
> stack trace for each reference count elevation for one page that fails
> to migrate after multiple passes.

Thanks, applied and fixed two code issues. The dmesg has been sent to
you privately, please check. The dmesg is overflow, if you need the
earlier message, I will retest.

diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h
index b64ebf253381..f76e2c498f31 100644
--- a/include/linux/page_ref.h
+++ b/include/linux/page_ref.h
@@ -72,7 +72,7 @@ static inline int page_count(struct page *page)
        return atomic_read(&compound_head(page)->_refcount);
 }
 
-struct page *page_to_track;
+extern struct page *page_to_track;
 static inline void set_page_count(struct page *page, int v)
 {
        atomic_set(&page->_refcount, v);
diff --git a/mm/migrate.c b/mm/migrate.c
index 9b2e395a3d68..42c7499c43b9 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1339,6 +1339,7 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
 }
 
 struct page *page_to_track;
+EXPORT_SYMBOL_GPL(page_to_track);
 
 /*
  * migrate_pages - migrate the pages specified in a list, to the free pages

> 
> diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h
> index 14d14beb1f7f..b64ebf253381 100644
> --- a/include/linux/page_ref.h
> +++ b/include/linux/page_ref.h
> @@ -72,9 +72,12 @@ static inline int page_count(struct page *page)
>  	return atomic_read(&compound_head(page)->_refcount);
>  }
>  
> +struct page *page_to_track;
>  static inline void set_page_count(struct page *page, int v)
>  {
>  	atomic_set(&page->_refcount, v);
> +	if (page == page_to_track)
> +		dump_stack();
>  	if (page_ref_tracepoint_active(__tracepoint_page_ref_set))
>  		__page_ref_set(page, v);
>  }
> @@ -91,6 +94,8 @@ static inline void init_page_count(struct page *page)
>  static inline void page_ref_add(struct page *page, int nr)
>  {
>  	atomic_add(nr, &page->_refcount);
> +	if (page == page_to_track)
> +		dump_stack();
>  	if (page_ref_tracepoint_active(__tracepoint_page_ref_mod))
>  		__page_ref_mod(page, nr);
>  }
> @@ -105,6 +110,8 @@ static inline void page_ref_sub(struct page *page, int nr)
>  static inline void page_ref_inc(struct page *page)
>  {
>  	atomic_inc(&page->_refcount);
> +	if (page == page_to_track)
> +		dump_stack();
>  	if (page_ref_tracepoint_active(__tracepoint_page_ref_mod))
>  		__page_ref_mod(page, 1);
>  }
> @@ -129,6 +136,8 @@ static inline int page_ref_inc_return(struct page *page)
>  {
>  	int ret = atomic_inc_return(&page->_refcount);
>  
> +	if (page == page_to_track)
> +		dump_stack();
>  	if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_return))
>  		__page_ref_mod_and_return(page, 1, ret);
>  	return ret;
> @@ -156,6 +165,8 @@ static inline int page_ref_add_unless(struct page *page, int nr, int u)
>  {
>  	int ret = atomic_add_unless(&page->_refcount, nr, u);
>  
> +	if (page == page_to_track)
> +		dump_stack();
>  	if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_unless))
>  		__page_ref_mod_unless(page, nr, ret);
>  	return ret;
> diff --git a/mm/migrate.c b/mm/migrate.c
> index f7e4bfdc13b7..9b2e395a3d68 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -1338,6 +1338,8 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
>  	return rc;
>  }
>  
> +struct page *page_to_track;
> +
>  /*
>   * migrate_pages - migrate the pages specified in a list, to the free pages
>   *		   supplied as the target for the page migration
> @@ -1375,6 +1377,7 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
>  	if (!swapwrite)
>  		current->flags |= PF_SWAPWRITE;
>  
> +	page_to_track = NULL;
>  	for(pass = 0; pass < 10 && retry; pass++) {
>  		retry = 0;
>  
> @@ -1417,6 +1420,8 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
>  				goto out;
>  			case -EAGAIN:
>  				retry++;
> +				if (pass > 1 && !page_to_track)
> +					page_to_track = page;
>  				break;
>  			case MIGRATEPAGE_SUCCESS:
>  				nr_succeeded++;
> -- 
> Michal Hocko
> SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
       [not found]                             ` <20181119105202.GE18471@MiWiFi-R3L-srv>
@ 2018-11-19 12:40                               ` Michal Hocko
  2018-11-19 12:51                                 ` Michal Hocko
  0 siblings, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-19 12:40 UTC (permalink / raw)
  To: Baoquan He
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm,
	aarcange, Mel Gorman, Vlastimil Babka, Hugh Dickins

On Mon 19-11-18 18:52:02, Baoquan He wrote:
[...]

There are few stacks directly in the offline path but those should be
OK.
The real culprit seems to be the swap in code

> [  +1.734416] CPU: 255 PID: 5558 Comm: stress Tainted: G             L    4.20.0-rc2+ #7
> [  +0.007927] Hardware name:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
> [  +0.006297] Call Trace:
> [  +0.002537]  dump_stack+0x46/0x60
> [  +0.003386]  __migration_entry_wait.cold.65+0x5/0x14
> [  +0.005043]  do_swap_page+0x84e/0x960
> [  +0.003727]  ? arch_tlb_finish_mmu+0x29/0xc0
> [  +0.006412]  __handle_mm_fault+0x933/0x1330
> [  +0.004265]  handle_mm_fault+0xc4/0x250
> [  +0.003915]  __do_page_fault+0x2b7/0x510
> [  +0.003990]  do_page_fault+0x2c/0x110
> [  +0.003729]  ? page_fault+0x8/0x30
> [  +0.003462]  page_fault+0x1e/0x30

There are many traces to this path. We are 
	/*
	 * Once page cache replacement of page migration started, page_count
	 * *must* be zero. And, we don't want to call wait_on_page_locked()
	 * against a page without get_page().
	 * So, we use get_page_unless_zero(), here. Even failed, page fault
	 * will occur again.
	 */
	if (!get_page_unless_zero(page))
		goto out;
	pte_unmap_unlock(ptep, ptl);
	wait_on_page_locked(page);

taking a reference to the page under the migration. I have to think
about this much more but I suspec this is just calling for a problem.

Cc migration experts. For you background information. We are seeing
memory offline not being able to converge because few heavily used pages
fail to migrate away - e.g. http://lkml.kernel.org/r/20181116012433.GU2653@MiWiFi-R3L-srv
A debugging page to dump stack for these pages http://lkml.kernel.org/r/20181116091409.GD14706@dhcp22.suse.cz
shows that references are taken from the swap in code (above). How are
we supposed to converge when the swapin code waits for the migration to
finish with the reference count elevated?
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 12:40                               ` Michal Hocko
@ 2018-11-19 12:51                                 ` Michal Hocko
  2018-11-19 14:10                                   ` Michal Hocko
  0 siblings, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-19 12:51 UTC (permalink / raw)
  To: Baoquan He
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm,
	aarcange, Mel Gorman, Vlastimil Babka, Hugh Dickins

On Mon 19-11-18 13:40:33, Michal Hocko wrote:
> On Mon 19-11-18 18:52:02, Baoquan He wrote:
> [...]
> 
> There are few stacks directly in the offline path but those should be
> OK.
> The real culprit seems to be the swap in code
> 
> > [  +1.734416] CPU: 255 PID: 5558 Comm: stress Tainted: G             L    4.20.0-rc2+ #7
> > [  +0.007927] Hardware name:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
> > [  +0.006297] Call Trace:
> > [  +0.002537]  dump_stack+0x46/0x60
> > [  +0.003386]  __migration_entry_wait.cold.65+0x5/0x14
> > [  +0.005043]  do_swap_page+0x84e/0x960
> > [  +0.003727]  ? arch_tlb_finish_mmu+0x29/0xc0
> > [  +0.006412]  __handle_mm_fault+0x933/0x1330
> > [  +0.004265]  handle_mm_fault+0xc4/0x250
> > [  +0.003915]  __do_page_fault+0x2b7/0x510
> > [  +0.003990]  do_page_fault+0x2c/0x110
> > [  +0.003729]  ? page_fault+0x8/0x30
> > [  +0.003462]  page_fault+0x1e/0x30
> 
> There are many traces to this path. We are 
> 	/*
> 	 * Once page cache replacement of page migration started, page_count
> 	 * *must* be zero. And, we don't want to call wait_on_page_locked()
> 	 * against a page without get_page().
> 	 * So, we use get_page_unless_zero(), here. Even failed, page fault
> 	 * will occur again.
> 	 */
> 	if (!get_page_unless_zero(page))
> 		goto out;
> 	pte_unmap_unlock(ptep, ptl);
> 	wait_on_page_locked(page);
> 
> taking a reference to the page under the migration. I have to think
> about this much more but I suspec this is just calling for a problem.
> 
> Cc migration experts. For you background information. We are seeing
> memory offline not being able to converge because few heavily used pages
> fail to migrate away - e.g. http://lkml.kernel.org/r/20181116012433.GU2653@MiWiFi-R3L-srv
> A debugging page to dump stack for these pages http://lkml.kernel.org/r/20181116091409.GD14706@dhcp22.suse.cz
> shows that references are taken from the swap in code (above). How are
> we supposed to converge when the swapin code waits for the migration to
> finish with the reference count elevated?

Just to clarify. This is not only about swapin obviously. Any caller of
__migration_entry_wait is affected the same way AFAICS.
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 12:51                                 ` Michal Hocko
@ 2018-11-19 14:10                                   ` Michal Hocko
  2018-11-19 16:36                                     ` Vlastimil Babka
  2018-11-19 17:33                                     ` Michal Hocko
  0 siblings, 2 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-19 14:10 UTC (permalink / raw)
  To: Baoquan He
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm,
	aarcange, Mel Gorman, Vlastimil Babka, Hugh Dickins

On Mon 19-11-18 13:51:21, Michal Hocko wrote:
> On Mon 19-11-18 13:40:33, Michal Hocko wrote:
> > On Mon 19-11-18 18:52:02, Baoquan He wrote:
> > [...]
> > 
> > There are few stacks directly in the offline path but those should be
> > OK.
> > The real culprit seems to be the swap in code
> > 
> > > [  +1.734416] CPU: 255 PID: 5558 Comm: stress Tainted: G             L    4.20.0-rc2+ #7
> > > [  +0.007927] Hardware name:  9008/IT91SMUB, BIOS BLXSV512 03/22/2018
> > > [  +0.006297] Call Trace:
> > > [  +0.002537]  dump_stack+0x46/0x60
> > > [  +0.003386]  __migration_entry_wait.cold.65+0x5/0x14
> > > [  +0.005043]  do_swap_page+0x84e/0x960
> > > [  +0.003727]  ? arch_tlb_finish_mmu+0x29/0xc0
> > > [  +0.006412]  __handle_mm_fault+0x933/0x1330
> > > [  +0.004265]  handle_mm_fault+0xc4/0x250
> > > [  +0.003915]  __do_page_fault+0x2b7/0x510
> > > [  +0.003990]  do_page_fault+0x2c/0x110
> > > [  +0.003729]  ? page_fault+0x8/0x30
> > > [  +0.003462]  page_fault+0x1e/0x30
> > 
> > There are many traces to this path. We are 
> > 	/*
> > 	 * Once page cache replacement of page migration started, page_count
> > 	 * *must* be zero. And, we don't want to call wait_on_page_locked()
> > 	 * against a page without get_page().
> > 	 * So, we use get_page_unless_zero(), here. Even failed, page fault
> > 	 * will occur again.
> > 	 */
> > 	if (!get_page_unless_zero(page))
> > 		goto out;
> > 	pte_unmap_unlock(ptep, ptl);
> > 	wait_on_page_locked(page);
> > 
> > taking a reference to the page under the migration. I have to think
> > about this much more but I suspec this is just calling for a problem.
> > 
> > Cc migration experts. For you background information. We are seeing
> > memory offline not being able to converge because few heavily used pages
> > fail to migrate away - e.g. http://lkml.kernel.org/r/20181116012433.GU2653@MiWiFi-R3L-srv
> > A debugging page to dump stack for these pages http://lkml.kernel.org/r/20181116091409.GD14706@dhcp22.suse.cz
> > shows that references are taken from the swap in code (above). How are
> > we supposed to converge when the swapin code waits for the migration to
> > finish with the reference count elevated?
> 
> Just to clarify. This is not only about swapin obviously. Any caller of
> __migration_entry_wait is affected the same way AFAICS.

In other words. Why cannot we do the following?

diff --git a/mm/migrate.c b/mm/migrate.c
index f7e4bfdc13b7..7ccab29bcf9a 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -324,19 +324,9 @@ void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
 		goto out;
 
 	page = migration_entry_to_page(entry);
-
-	/*
-	 * Once page cache replacement of page migration started, page_count
-	 * *must* be zero. And, we don't want to call wait_on_page_locked()
-	 * against a page without get_page().
-	 * So, we use get_page_unless_zero(), here. Even failed, page fault
-	 * will occur again.
-	 */
-	if (!get_page_unless_zero(page))
-		goto out;
 	pte_unmap_unlock(ptep, ptl);
-	wait_on_page_locked(page);
-	put_page(page);
+	page_lock(page);
+	page_unlock(page);
 	return;
 out:
 	pte_unmap_unlock(ptep, ptl);
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 14:10                                   ` Michal Hocko
@ 2018-11-19 16:36                                     ` Vlastimil Babka
  2018-11-19 16:46                                       ` Michal Hocko
  2018-11-19 17:33                                     ` Michal Hocko
  1 sibling, 1 reply; 54+ messages in thread
From: Vlastimil Babka @ 2018-11-19 16:36 UTC (permalink / raw)
  To: Michal Hocko, Baoquan He
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm,
	aarcange, Mel Gorman, Hugh Dickins

On 11/19/18 3:10 PM, Michal Hocko wrote:
> On Mon 19-11-18 13:51:21, Michal Hocko wrote:
>> On Mon 19-11-18 13:40:33, Michal Hocko wrote:
>>> How are
>>> we supposed to converge when the swapin code waits for the migration to
>>> finish with the reference count elevated?

Indeed this looks wrong. How comes we only found this out now? I guess
the race window where refcounts matter is only a part of the whole
migration, where we update the mapping (migrate_page_move_mapping()).
That's before copying contents, flags etc.

>> Just to clarify. This is not only about swapin obviously. Any caller of
>> __migration_entry_wait is affected the same way AFAICS.
> 
> In other words. Why cannot we do the following?
> 
> diff --git a/mm/migrate.c b/mm/migrate.c
> index f7e4bfdc13b7..7ccab29bcf9a 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -324,19 +324,9 @@ void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
>  		goto out;
>  
>  	page = migration_entry_to_page(entry);
> -
> -	/*
> -	 * Once page cache replacement of page migration started, page_count
> -	 * *must* be zero. And, we don't want to call wait_on_page_locked()
> -	 * against a page without get_page().
> -	 * So, we use get_page_unless_zero(), here. Even failed, page fault
> -	 * will occur again.
> -	 */
> -	if (!get_page_unless_zero(page))
> -		goto out;
>  	pte_unmap_unlock(ptep, ptl);
> -	wait_on_page_locked(page);
> -	put_page(page);
> +	page_lock(page);
> +	page_unlock(page);

So what protects us from locking a page whose refcount dropped to zero?
and is being freed? The checks in freeing path won't be happy about a
stray lock.

I suspect it's not that simple to fix this. Perhaps migration code could
set some flag/bit in the page during the part where it stabilizes
refcounts, and __migration_entry_wait() would just spin until the bit is
cleared, and only then proceed with the current get_page+wait? Or we
could maybe wait on the pte itself and not page?

>  	return;
>  out:
>  	pte_unmap_unlock(ptep, ptl);
> 


^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 16:46                                       ` Michal Hocko
@ 2018-11-19 16:46                                         ` Vlastimil Babka
  2018-11-19 16:48                                           ` Vlastimil Babka
  0 siblings, 1 reply; 54+ messages in thread
From: Vlastimil Babka @ 2018-11-19 16:46 UTC (permalink / raw)
  To: Michal Hocko
  Cc: Baoquan He, David Hildenbrand, linux-mm, pifang, linux-kernel,
	akpm, aarcange, Mel Gorman, Hugh Dickins

On 11/19/18 5:46 PM, Michal Hocko wrote:
> On Mon 19-11-18 17:36:21, Vlastimil Babka wrote:
>>
>> So what protects us from locking a page whose refcount dropped to zero?
>> and is being freed? The checks in freeing path won't be happy about a
>> stray lock.
> 
> Nothing really prevents that. But does it matter. The worst that might
> happen is that we lock a freed or reused page. Who would complain?

free_pages_check() for example

PAGE_FLAGS_CHECK_AT_FREE includes PG_locked


^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 16:36                                     ` Vlastimil Babka
@ 2018-11-19 16:46                                       ` Michal Hocko
  2018-11-19 16:46                                         ` Vlastimil Babka
  0 siblings, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-19 16:46 UTC (permalink / raw)
  To: Vlastimil Babka
  Cc: Baoquan He, David Hildenbrand, linux-mm, pifang, linux-kernel,
	akpm, aarcange, Mel Gorman, Hugh Dickins

On Mon 19-11-18 17:36:21, Vlastimil Babka wrote:
> On 11/19/18 3:10 PM, Michal Hocko wrote:
> > On Mon 19-11-18 13:51:21, Michal Hocko wrote:
> >> On Mon 19-11-18 13:40:33, Michal Hocko wrote:
> >>> How are
> >>> we supposed to converge when the swapin code waits for the migration to
> >>> finish with the reference count elevated?
> 
> Indeed this looks wrong. How comes we only found this out now? I guess
> the race window where refcounts matter is only a part of the whole
> migration, where we update the mapping (migrate_page_move_mapping()).
> That's before copying contents, flags etc.

I guess we simply never found out because most migration callers simply
fail after few attempts. The notable exception is memory offline which
tries retries until it suceeds or the caller terminates the process by a
fatal signal

> >> Just to clarify. This is not only about swapin obviously. Any caller of
> >> __migration_entry_wait is affected the same way AFAICS.
> > 
> > In other words. Why cannot we do the following?
> > 
> > diff --git a/mm/migrate.c b/mm/migrate.c
> > index f7e4bfdc13b7..7ccab29bcf9a 100644
> > --- a/mm/migrate.c
> > +++ b/mm/migrate.c
> > @@ -324,19 +324,9 @@ void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
> >  		goto out;
> >  
> >  	page = migration_entry_to_page(entry);
> > -
> > -	/*
> > -	 * Once page cache replacement of page migration started, page_count
> > -	 * *must* be zero. And, we don't want to call wait_on_page_locked()
> > -	 * against a page without get_page().
> > -	 * So, we use get_page_unless_zero(), here. Even failed, page fault
> > -	 * will occur again.
> > -	 */
> > -	if (!get_page_unless_zero(page))
> > -		goto out;
> >  	pte_unmap_unlock(ptep, ptl);
> > -	wait_on_page_locked(page);
> > -	put_page(page);
> > +	page_lock(page);
> > +	page_unlock(page);
> 
> So what protects us from locking a page whose refcount dropped to zero?
> and is being freed? The checks in freeing path won't be happy about a
> stray lock.

Nothing really prevents that. But does it matter. The worst that might
happen is that we lock a freed or reused page. Who would complain?

-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 16:46                                         ` Vlastimil Babka
@ 2018-11-19 16:48                                           ` Vlastimil Babka
  2018-11-19 17:01                                             ` Michal Hocko
  0 siblings, 1 reply; 54+ messages in thread
From: Vlastimil Babka @ 2018-11-19 16:48 UTC (permalink / raw)
  To: Michal Hocko
  Cc: Baoquan He, David Hildenbrand, linux-mm, pifang, linux-kernel,
	akpm, aarcange, Mel Gorman, Hugh Dickins

On 11/19/18 5:46 PM, Vlastimil Babka wrote:
> On 11/19/18 5:46 PM, Michal Hocko wrote:
>> On Mon 19-11-18 17:36:21, Vlastimil Babka wrote:
>>>
>>> So what protects us from locking a page whose refcount dropped to zero?
>>> and is being freed? The checks in freeing path won't be happy about a
>>> stray lock.
>>
>> Nothing really prevents that. But does it matter. The worst that might
>> happen is that we lock a freed or reused page. Who would complain?
> 
> free_pages_check() for example
> 
> PAGE_FLAGS_CHECK_AT_FREE includes PG_locked

And besides... what about the last page being offlined and then the
whole struct page's part of vmemmap destroyed as the node goes away?

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 16:48                                           ` Vlastimil Babka
@ 2018-11-19 17:01                                             ` Michal Hocko
  0 siblings, 0 replies; 54+ messages in thread
From: Michal Hocko @ 2018-11-19 17:01 UTC (permalink / raw)
  To: Vlastimil Babka
  Cc: Baoquan He, David Hildenbrand, linux-mm, pifang, linux-kernel,
	akpm, aarcange, Mel Gorman, Hugh Dickins

On Mon 19-11-18 17:48:35, Vlastimil Babka wrote:
> On 11/19/18 5:46 PM, Vlastimil Babka wrote:
> > On 11/19/18 5:46 PM, Michal Hocko wrote:
> >> On Mon 19-11-18 17:36:21, Vlastimil Babka wrote:
> >>>
> >>> So what protects us from locking a page whose refcount dropped to zero?
> >>> and is being freed? The checks in freeing path won't be happy about a
> >>> stray lock.
> >>
> >> Nothing really prevents that. But does it matter. The worst that might
> >> happen is that we lock a freed or reused page. Who would complain?
> > 
> > free_pages_check() for example
> > 
> > PAGE_FLAGS_CHECK_AT_FREE includes PG_locked

Right you are.

> And besides... what about the last page being offlined and then the
> whole struct page's part of vmemmap destroyed as the node goes away?

Yeah, that is quite unlikely though because the there is quite a large
time window between the two events. I am not entirely sure we are safe
right now TBH. Any access to the struct page after the put_page is
unsafe theoretically.

Then we have to come up with something more clever I am afraid.

-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 14:10                                   ` Michal Hocko
  2018-11-19 16:36                                     ` Vlastimil Babka
@ 2018-11-19 17:33                                     ` Michal Hocko
  2018-11-19 20:34                                       ` Hugh Dickins
  1 sibling, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-19 17:33 UTC (permalink / raw)
  To: Baoquan He
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm,
	aarcange, Mel Gorman, Vlastimil Babka, Hugh Dickins

On Mon 19-11-18 15:10:16, Michal Hocko wrote:
[...]
> In other words. Why cannot we do the following?

Baoquan, this is certainly not the right fix but I would be really
curious whether it makes the problem go away.

> diff --git a/mm/migrate.c b/mm/migrate.c
> index f7e4bfdc13b7..7ccab29bcf9a 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -324,19 +324,9 @@ void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
>  		goto out;
>  
>  	page = migration_entry_to_page(entry);
> -
> -	/*
> -	 * Once page cache replacement of page migration started, page_count
> -	 * *must* be zero. And, we don't want to call wait_on_page_locked()
> -	 * against a page without get_page().
> -	 * So, we use get_page_unless_zero(), here. Even failed, page fault
> -	 * will occur again.
> -	 */
> -	if (!get_page_unless_zero(page))
> -		goto out;
>  	pte_unmap_unlock(ptep, ptl);
> -	wait_on_page_locked(page);
> -	put_page(page);
> +	page_lock(page);
> +	page_unlock(page);
>  	return;
>  out:
>  	pte_unmap_unlock(ptep, ptl);

-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 17:33                                     ` Michal Hocko
@ 2018-11-19 20:34                                       ` Hugh Dickins
  2018-11-19 20:59                                         ` Michal Hocko
  0 siblings, 1 reply; 54+ messages in thread
From: Hugh Dickins @ 2018-11-19 20:34 UTC (permalink / raw)
  To: Michal Hocko
  Cc: Baoquan He, David Hildenbrand, linux-mm, pifang, linux-kernel,
	akpm, aarcange, Mel Gorman, Vlastimil Babka, Hugh Dickins

On Mon, 19 Nov 2018, Michal Hocko wrote:
> On Mon 19-11-18 15:10:16, Michal Hocko wrote:
> [...]
> > In other words. Why cannot we do the following?
> 
> Baoquan, this is certainly not the right fix but I would be really
> curious whether it makes the problem go away.
> 
> > diff --git a/mm/migrate.c b/mm/migrate.c
> > index f7e4bfdc13b7..7ccab29bcf9a 100644
> > --- a/mm/migrate.c
> > +++ b/mm/migrate.c
> > @@ -324,19 +324,9 @@ void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
> >  		goto out;
> >  
> >  	page = migration_entry_to_page(entry);
> > -
> > -	/*
> > -	 * Once page cache replacement of page migration started, page_count
> > -	 * *must* be zero. And, we don't want to call wait_on_page_locked()
> > -	 * against a page without get_page().
> > -	 * So, we use get_page_unless_zero(), here. Even failed, page fault
> > -	 * will occur again.
> > -	 */
> > -	if (!get_page_unless_zero(page))
> > -		goto out;
> >  	pte_unmap_unlock(ptep, ptl);
> > -	wait_on_page_locked(page);
> > -	put_page(page);
> > +	page_lock(page);
> > +	page_unlock(page);
> >  	return;
> >  out:
> >  	pte_unmap_unlock(ptep, ptl);

Thanks for Cc'ing me. I did mention precisely this issue two or three
times at LSF/MM this year, and claimed then that I would post the fix.

I'm glad that I delayed, what I had then (migration_waitqueue instead
of using page_waitqueue) was not wrong, but what I've been using the
last couple of months is rather better (and can be put to use to solve
similar problems in collapsing pages on huge tmpfs. but we don't need
to get into that at this time): put_and_wait_on_page_locked().

What I have not yet done is verify it on latest kernel, and research
the interested Cc list (Linus and Tim Chen come immediately to mind),
and write the commit comment. I have some testing to do on the latest
kernel today, so I'll throw put_and_wait_on_page_locked() in too,
and post tomorrow I hope.

Hugh

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 20:34                                       ` Hugh Dickins
@ 2018-11-19 20:59                                         ` Michal Hocko
  2018-11-20  1:56                                           ` Baoquan He
  0 siblings, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-19 20:59 UTC (permalink / raw)
  To: Hugh Dickins
  Cc: Baoquan He, David Hildenbrand, linux-mm, pifang, linux-kernel,
	akpm, aarcange, Mel Gorman, Vlastimil Babka

On Mon 19-11-18 12:34:09, Hugh Dickins wrote:
> On Mon, 19 Nov 2018, Michal Hocko wrote:
> > On Mon 19-11-18 15:10:16, Michal Hocko wrote:
> > [...]
> > > In other words. Why cannot we do the following?
> > 
> > Baoquan, this is certainly not the right fix but I would be really
> > curious whether it makes the problem go away.
> > 
> > > diff --git a/mm/migrate.c b/mm/migrate.c
> > > index f7e4bfdc13b7..7ccab29bcf9a 100644
> > > --- a/mm/migrate.c
> > > +++ b/mm/migrate.c
> > > @@ -324,19 +324,9 @@ void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
> > >  		goto out;
> > >  
> > >  	page = migration_entry_to_page(entry);
> > > -
> > > -	/*
> > > -	 * Once page cache replacement of page migration started, page_count
> > > -	 * *must* be zero. And, we don't want to call wait_on_page_locked()
> > > -	 * against a page without get_page().
> > > -	 * So, we use get_page_unless_zero(), here. Even failed, page fault
> > > -	 * will occur again.
> > > -	 */
> > > -	if (!get_page_unless_zero(page))
> > > -		goto out;
> > >  	pte_unmap_unlock(ptep, ptl);
> > > -	wait_on_page_locked(page);
> > > -	put_page(page);
> > > +	page_lock(page);
> > > +	page_unlock(page);
> > >  	return;
> > >  out:
> > >  	pte_unmap_unlock(ptep, ptl);
> 
> Thanks for Cc'ing me. I did mention precisely this issue two or three
> times at LSF/MM this year, and claimed then that I would post the fix.

I've had a recollection about some issue I just couldn't remember what
was it exactly. Tried to make Vlastimil to remember but failed there as
well ;)

> I'm glad that I delayed, what I had then (migration_waitqueue instead
> of using page_waitqueue) was not wrong, but what I've been using the
> last couple of months is rather better (and can be put to use to solve
> similar problems in collapsing pages on huge tmpfs. but we don't need
> to get into that at this time): put_and_wait_on_page_locked().
> 
> What I have not yet done is verify it on latest kernel, and research
> the interested Cc list (Linus and Tim Chen come immediately to mind),
> and write the commit comment. I have some testing to do on the latest
> kernel today, so I'll throw put_and_wait_on_page_locked() in too,
> and post tomorrow I hope.

Cool, it seems that Baoquan has a reliable test case to trigger the
pathological case.
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-19 20:59                                         ` Michal Hocko
@ 2018-11-20  1:56                                           ` Baoquan He
  2018-11-20  5:44                                             ` Hugh Dickins
  0 siblings, 1 reply; 54+ messages in thread
From: Baoquan He @ 2018-11-20  1:56 UTC (permalink / raw)
  To: Hugh Dickins, Michal Hocko, Vlastimil Babka
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm,
	aarcange, Mel Gorman

On 11/19/18 at 09:59pm, Michal Hocko wrote:
> On Mon 19-11-18 12:34:09, Hugh Dickins wrote:
> > I'm glad that I delayed, what I had then (migration_waitqueue instead
> > of using page_waitqueue) was not wrong, but what I've been using the
> > last couple of months is rather better (and can be put to use to solve
> > similar problems in collapsing pages on huge tmpfs. but we don't need
> > to get into that at this time): put_and_wait_on_page_locked().
> > 
> > What I have not yet done is verify it on latest kernel, and research
> > the interested Cc list (Linus and Tim Chen come immediately to mind),
> > and write the commit comment. I have some testing to do on the latest
> > kernel today, so I'll throw put_and_wait_on_page_locked() in too,
> > and post tomorrow I hope.
> 
> Cool, it seems that Baoquan has a reliable test case to trigger the
> pathological case.

Yes. I will test Hugh's patch.


^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-20  1:56                                           ` Baoquan He
@ 2018-11-20  5:44                                             ` Hugh Dickins
  2018-11-20 13:38                                               ` Vlastimil Babka
  2018-11-21 17:31                                               ` Michal Hocko
  0 siblings, 2 replies; 54+ messages in thread
From: Hugh Dickins @ 2018-11-20  5:44 UTC (permalink / raw)
  To: Baoquan He
  Cc: Hugh Dickins, Michal Hocko, Vlastimil Babka, David Hildenbrand,
	linux-mm, pifang, linux-kernel, akpm, aarcange, Mel Gorman

On Tue, 20 Nov 2018, Baoquan He wrote:
> On 11/19/18 at 09:59pm, Michal Hocko wrote:
> > On Mon 19-11-18 12:34:09, Hugh Dickins wrote:
> > > I'm glad that I delayed, what I had then (migration_waitqueue instead
> > > of using page_waitqueue) was not wrong, but what I've been using the
> > > last couple of months is rather better (and can be put to use to solve
> > > similar problems in collapsing pages on huge tmpfs. but we don't need
> > > to get into that at this time): put_and_wait_on_page_locked().
> > > 
> > > What I have not yet done is verify it on latest kernel, and research
> > > the interested Cc list (Linus and Tim Chen come immediately to mind),
> > > and write the commit comment. I have some testing to do on the latest
> > > kernel today, so I'll throw put_and_wait_on_page_locked() in too,
> > > and post tomorrow I hope.
> > 
> > Cool, it seems that Baoquan has a reliable test case to trigger the
> > pathological case.
> 
> Yes. I will test Hugh's patch.

Thanks: I've completed some of the retesting now, so it would probably
help us all better if I post the patch in this thread, even without
completing its description and links and Cc list yet - there isn't
even a problem description below, I still have to paste that in from
the unposted patch that I made six months ago.  Here is today's...


[PATCH] mm: put_and_wait_on_page_locked() while page is migrated

We have all assumed that it is essential to hold a page reference while
waiting on a page lock: partly to guarantee that there is still a struct
page when MEMORY_HOTREMOVE is configured, but also to protect against
reuse of the struct page going to someone who then holds the page locked
indefinitely, when the waiter can reasonably expect timely unlocking.

But in fact, so long as wait_on_page_bit_common() does the put_page(),
and is careful not to rely on struct page contents thereafter, there is
no need to hold a reference to the page while waiting on it.  That does
mean that this case cannot go back through the loop: but that's fine for
the page migration case, and even if used more widely, is limited by the
"Stop walking if it's locked" optimization in wake_page_function().

Add interface put_and_wait_on_page_locked() to do this, using negative
value of the lock arg to wait_on_page_bit_common() to implement it.
No interruptible or killable variant needed yet, but they might follow:
I have a vague notion that reporting -EINTR should take precedence over
return from wait_on_page_bit_common() without knowing the page state,
so arrange it accordingly - but that may be nothing but pedantic.

shrink_page_list()'s __ClearPageLocked(): that was a surprise! this
survived a lot of testing before that showed up.  It does raise the
question: should is_page_cache_freeable() and __remove_mapping() now
treat a PG_waiters page as if an extra reference were held?  Perhaps,
but I don't think it matters much, since shrink_page_list() already
had to win its trylock_page(), so waiters are not very common there: I
noticed no difference when trying the bigger change, and it's surely not
needed while put_and_wait_on_page_locked() is only for page migration.

Signed-off-by: Hugh Dickins <hughd@google.com>
---
 include/linux/pagemap.h |  2 ++
 mm/filemap.c            | 53 ++++++++++++++++++++++++++++++++---------
 mm/huge_memory.c        |  6 ++---
 mm/migrate.c            | 12 ++++------
 mm/vmscan.c             | 11 +++++----
 5 files changed, 57 insertions(+), 27 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 226f96f0dee0..e2d7039af6a3 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -537,6 +537,8 @@ static inline int wait_on_page_locked_killable(struct page *page)
 	return wait_on_page_bit_killable(compound_head(page), PG_locked);
 }
 
+extern void put_and_wait_on_page_locked(struct page *page);
+
 /* 
  * Wait for a page to complete writeback
  */
diff --git a/mm/filemap.c b/mm/filemap.c
index 81adec8ee02c..ef82119032d8 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -981,7 +981,14 @@ static int wake_page_function(wait_queue_entry_t *wait, unsigned mode, int sync,
 	if (wait_page->bit_nr != key->bit_nr)
 		return 0;
 
-	/* Stop walking if it's locked */
+	/*
+	 * Stop walking if it's locked.
+	 * Is this safe if put_and_wait_on_page_locked() is in use?
+	 * Yes: the waker must hold a reference to this page, and if PG_locked
+	 * has now already been set by another task, that task must also hold
+	 * a reference to the *same usage* of this page; so there is no need
+	 * to walk on to wake even the put_and_wait_on_page_locked() callers.
+	 */
 	if (test_bit(key->bit_nr, &key->page->flags))
 		return -1;
 
@@ -1050,13 +1057,14 @@ static void wake_up_page(struct page *page, int bit)
 }
 
 static inline int wait_on_page_bit_common(wait_queue_head_t *q,
-		struct page *page, int bit_nr, int state, bool lock)
+		struct page *page, int bit_nr, int state, int lock)
 {
 	struct wait_page_queue wait_page;
 	wait_queue_entry_t *wait = &wait_page.wait;
 	bool thrashing = false;
 	unsigned long pflags;
 	int ret = 0;
+	bool bit_is_set;
 
 	if (bit_nr == PG_locked &&
 	    !PageUptodate(page) && PageWorkingset(page)) {
@@ -1067,7 +1075,7 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
 	}
 
 	init_wait(wait);
-	wait->flags = lock ? WQ_FLAG_EXCLUSIVE : 0;
+	wait->flags = lock > 0 ? WQ_FLAG_EXCLUSIVE : 0;
 	wait->func = wake_page_function;
 	wait_page.page = page;
 	wait_page.bit_nr = bit_nr;
@@ -1084,14 +1092,17 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
 
 		spin_unlock_irq(&q->lock);
 
-		if (likely(test_bit(bit_nr, &page->flags))) {
+		bit_is_set = test_bit(bit_nr, &page->flags);
+		if (lock < 0)
+			put_page(page);
+
+		if (likely(bit_is_set))
 			io_schedule();
-		}
 
-		if (lock) {
+		if (lock > 0) {
 			if (!test_and_set_bit_lock(bit_nr, &page->flags))
 				break;
-		} else {
+		} else if (lock == 0) {
 			if (!test_bit(bit_nr, &page->flags))
 				break;
 		}
@@ -1100,6 +1111,17 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
 			ret = -EINTR;
 			break;
 		}
+
+		if (lock < 0) {
+			/*
+			 * We can no longer safely access page->flags:
+			 * even if CONFIG_MEMORY_HOTREMOVE is not enabled,
+			 * there is a risk of waiting forever on a page reused
+			 * for something that keeps it locked indefinitely.
+			 * But best check for -EINTR above before breaking.
+			 */
+			break;
+		}
 	}
 
 	finish_wait(q, wait);
@@ -1124,17 +1146,26 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
 void wait_on_page_bit(struct page *page, int bit_nr)
 {
 	wait_queue_head_t *q = page_waitqueue(page);
-	wait_on_page_bit_common(q, page, bit_nr, TASK_UNINTERRUPTIBLE, false);
+	wait_on_page_bit_common(q, page, bit_nr, TASK_UNINTERRUPTIBLE, 0);
 }
 EXPORT_SYMBOL(wait_on_page_bit);
 
 int wait_on_page_bit_killable(struct page *page, int bit_nr)
 {
 	wait_queue_head_t *q = page_waitqueue(page);
-	return wait_on_page_bit_common(q, page, bit_nr, TASK_KILLABLE, false);
+	return wait_on_page_bit_common(q, page, bit_nr, TASK_KILLABLE, 0);
 }
 EXPORT_SYMBOL(wait_on_page_bit_killable);
 
+void put_and_wait_on_page_locked(struct page *page)
+{
+	wait_queue_head_t *q;
+
+	page = compound_head(page);
+	q = page_waitqueue(page);
+	wait_on_page_bit_common(q, page, PG_locked, TASK_UNINTERRUPTIBLE, -1);
+}
+
 /**
  * add_page_wait_queue - Add an arbitrary waiter to a page's wait queue
  * @page: Page defining the wait queue of interest
@@ -1264,7 +1295,7 @@ void __lock_page(struct page *__page)
 {
 	struct page *page = compound_head(__page);
 	wait_queue_head_t *q = page_waitqueue(page);
-	wait_on_page_bit_common(q, page, PG_locked, TASK_UNINTERRUPTIBLE, true);
+	wait_on_page_bit_common(q, page, PG_locked, TASK_UNINTERRUPTIBLE, 1);
 }
 EXPORT_SYMBOL(__lock_page);
 
@@ -1272,7 +1303,7 @@ int __lock_page_killable(struct page *__page)
 {
 	struct page *page = compound_head(__page);
 	wait_queue_head_t *q = page_waitqueue(page);
-	return wait_on_page_bit_common(q, page, PG_locked, TASK_KILLABLE, true);
+	return wait_on_page_bit_common(q, page, PG_locked, TASK_KILLABLE, 1);
 }
 EXPORT_SYMBOL_GPL(__lock_page_killable);
 
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 622cced74fd9..832ab11badc2 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1501,8 +1501,7 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd)
 		if (!get_page_unless_zero(page))
 			goto out_unlock;
 		spin_unlock(vmf->ptl);
-		wait_on_page_locked(page);
-		put_page(page);
+		put_and_wait_on_page_locked(page);
 		goto out;
 	}
 
@@ -1538,8 +1537,7 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd)
 		if (!get_page_unless_zero(page))
 			goto out_unlock;
 		spin_unlock(vmf->ptl);
-		wait_on_page_locked(page);
-		put_page(page);
+		put_and_wait_on_page_locked(page);
 		goto out;
 	}
 
diff --git a/mm/migrate.c b/mm/migrate.c
index f7e4bfdc13b7..acda06f99754 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -327,16 +327,13 @@ void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
 
 	/*
 	 * Once page cache replacement of page migration started, page_count
-	 * *must* be zero. And, we don't want to call wait_on_page_locked()
-	 * against a page without get_page().
-	 * So, we use get_page_unless_zero(), here. Even failed, page fault
-	 * will occur again.
+	 * is zero; but we must not call put_and_wait_on_page_locked() without
+	 * a ref. Use get_page_unless_zero(), and just fault again if it fails.
 	 */
 	if (!get_page_unless_zero(page))
 		goto out;
 	pte_unmap_unlock(ptep, ptl);
-	wait_on_page_locked(page);
-	put_page(page);
+	put_and_wait_on_page_locked(page);
 	return;
 out:
 	pte_unmap_unlock(ptep, ptl);
@@ -370,8 +367,7 @@ void pmd_migration_entry_wait(struct mm_struct *mm, pmd_t *pmd)
 	if (!get_page_unless_zero(page))
 		goto unlock;
 	spin_unlock(ptl);
-	wait_on_page_locked(page);
-	put_page(page);
+	put_and_wait_on_page_locked(page);
 	return;
 unlock:
 	spin_unlock(ptl);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 62ac0c488624..85d9dde31153 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1459,11 +1459,14 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 		/*
 		 * At this point, we have no other references and there is
 		 * no way to pick any more up (removed from LRU, removed
-		 * from pagecache). Can use non-atomic bitops now (and
-		 * we obviously don't have to worry about waking up a process
-		 * waiting on the page lock, because there are no references.
+		 * from pagecache). Usually we can use non-atomic bitops now,
+		 * but beware: earlier calls to put_and_wait_on_page_locked()
+		 * might still be waiting.
 		 */
-		__ClearPageLocked(page);
+		if (unlikely(PageWaiters(page)))
+			unlock_page(page);
+		else
+			__ClearPageLocked(page);
 free_it:
 		nr_reclaimed++;
 
-- 
2.19.1.1215.g8438c0b245-goog

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-20  5:44                                             ` Hugh Dickins
@ 2018-11-20 13:38                                               ` Vlastimil Babka
  2018-11-20 13:58                                                 ` Baoquan He
  2018-11-21  1:08                                                 ` Hugh Dickins
  2018-11-21 17:31                                               ` Michal Hocko
  1 sibling, 2 replies; 54+ messages in thread
From: Vlastimil Babka @ 2018-11-20 13:38 UTC (permalink / raw)
  To: Hugh Dickins, Baoquan He
  Cc: Michal Hocko, David Hildenbrand, linux-mm, pifang, linux-kernel,
	akpm, aarcange, Mel Gorman

On 11/20/18 6:44 AM, Hugh Dickins wrote:
> [PATCH] mm: put_and_wait_on_page_locked() while page is migrated
> 
> We have all assumed that it is essential to hold a page reference while
> waiting on a page lock: partly to guarantee that there is still a struct
> page when MEMORY_HOTREMOVE is configured, but also to protect against
> reuse of the struct page going to someone who then holds the page locked
> indefinitely, when the waiter can reasonably expect timely unlocking.
> 
> But in fact, so long as wait_on_page_bit_common() does the put_page(),
> and is careful not to rely on struct page contents thereafter, there is
> no need to hold a reference to the page while waiting on it.  That does

So there's still a moment where refcount is elevated, but hopefully
short enough, right? Let's see if it survives Baoquan's stress testing.

> mean that this case cannot go back through the loop: but that's fine for
> the page migration case, and even if used more widely, is limited by the
> "Stop walking if it's locked" optimization in wake_page_function().
> 
> Add interface put_and_wait_on_page_locked() to do this, using negative
> value of the lock arg to wait_on_page_bit_common() to implement it.
> No interruptible or killable variant needed yet, but they might follow:
> I have a vague notion that reporting -EINTR should take precedence over
> return from wait_on_page_bit_common() without knowing the page state,
> so arrange it accordingly - but that may be nothing but pedantic.
> 
> shrink_page_list()'s __ClearPageLocked(): that was a surprise! this
> survived a lot of testing before that showed up.  It does raise the
> question: should is_page_cache_freeable() and __remove_mapping() now
> treat a PG_waiters page as if an extra reference were held?  Perhaps,
> but I don't think it matters much, since shrink_page_list() already
> had to win its trylock_page(), so waiters are not very common there: I
> noticed no difference when trying the bigger change, and it's surely not
> needed while put_and_wait_on_page_locked() is only for page migration.
> 
> Signed-off-by: Hugh Dickins <hughd@google.com>
> ---

...

> @@ -1100,6 +1111,17 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
>  			ret = -EINTR;
>  			break;
>  		}
> +
> +		if (lock < 0) {
> +			/*
> +			 * We can no longer safely access page->flags:

Hmm...

> +			 * even if CONFIG_MEMORY_HOTREMOVE is not enabled,
> +			 * there is a risk of waiting forever on a page reused
> +			 * for something that keeps it locked indefinitely.
> +			 * But best check for -EINTR above before breaking.
> +			 */
> +			break;
> +		}
>  	}
>  
>  	finish_wait(q, wait);

... the code continues by:

        if (thrashing) {
                if (!PageSwapBacked(page))

So maybe we should not set 'thrashing' true when lock < 0?

Thanks!
Vlastimil

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-20 13:38                                               ` Vlastimil Babka
@ 2018-11-20 13:58                                                 ` Baoquan He
  2018-11-20 14:05                                                   ` Michal Hocko
  2018-11-21  1:21                                                   ` Hugh Dickins
  2018-11-21  1:08                                                 ` Hugh Dickins
  1 sibling, 2 replies; 54+ messages in thread
From: Baoquan He @ 2018-11-20 13:58 UTC (permalink / raw)
  To: Hugh Dickins, Michal Hocko, Vlastimil Babka, pifang
  Cc: David Hildenbrand, linux-mm, pifang, linux-kernel, akpm,
	aarcange, Mel Gorman

Hi,

On 11/20/18 at 02:38pm, Vlastimil Babka wrote:
> On 11/20/18 6:44 AM, Hugh Dickins wrote:
> > [PATCH] mm: put_and_wait_on_page_locked() while page is migrated
> > 
> > We have all assumed that it is essential to hold a page reference while
> > waiting on a page lock: partly to guarantee that there is still a struct
> > page when MEMORY_HOTREMOVE is configured, but also to protect against
> > reuse of the struct page going to someone who then holds the page locked
> > indefinitely, when the waiter can reasonably expect timely unlocking.
> > 
> > But in fact, so long as wait_on_page_bit_common() does the put_page(),
> > and is careful not to rely on struct page contents thereafter, there is
> > no need to hold a reference to the page while waiting on it.  That does
> 
> So there's still a moment where refcount is elevated, but hopefully
> short enough, right? Let's see if it survives Baoquan's stress testing.

Yes, I applied Hugh's patch 8 hours ago, then our QE Ping operated on
that machine, after many times of hot removing/adding, the endless
looping during mirgrating is not seen any more. The test result for
Hugh's patch is positive. I even suggested Ping increasing the memory
pressure to "stress -m 250", it still succeeded to offline and remove.

So I think this patch works to solve the issue. Thanks a lot for your
help, all of you. 

High, will you post a formal patch in a separate thread?

Meanwhile we found sometime onlining page may not add back all memory
blocks on one memory board, then hot removing/adding them will cause
kernel panic. I will investigate further and collect information, see if
it's a kernel issue or udev issue.

Thanks
Baoquan

> 
> > mean that this case cannot go back through the loop: but that's fine for
> > the page migration case, and even if used more widely, is limited by the
> > "Stop walking if it's locked" optimization in wake_page_function().
> > 
> > Add interface put_and_wait_on_page_locked() to do this, using negative
> > value of the lock arg to wait_on_page_bit_common() to implement it.
> > No interruptible or killable variant needed yet, but they might follow:
> > I have a vague notion that reporting -EINTR should take precedence over
> > return from wait_on_page_bit_common() without knowing the page state,
> > so arrange it accordingly - but that may be nothing but pedantic.
> > 
> > shrink_page_list()'s __ClearPageLocked(): that was a surprise! this
> > survived a lot of testing before that showed up.  It does raise the
> > question: should is_page_cache_freeable() and __remove_mapping() now
> > treat a PG_waiters page as if an extra reference were held?  Perhaps,
> > but I don't think it matters much, since shrink_page_list() already
> > had to win its trylock_page(), so waiters are not very common there: I
> > noticed no difference when trying the bigger change, and it's surely not
> > needed while put_and_wait_on_page_locked() is only for page migration.
> > 
> > Signed-off-by: Hugh Dickins <hughd@google.com>
> > ---
> 
> ...
> 
> > @@ -1100,6 +1111,17 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
> >  			ret = -EINTR;
> >  			break;
> >  		}
> > +
> > +		if (lock < 0) {
> > +			/*
> > +			 * We can no longer safely access page->flags:
> 
> Hmm...
> 
> > +			 * even if CONFIG_MEMORY_HOTREMOVE is not enabled,
> > +			 * there is a risk of waiting forever on a page reused
> > +			 * for something that keeps it locked indefinitely.
> > +			 * But best check for -EINTR above before breaking.
> > +			 */
> > +			break;
> > +		}
> >  	}
> >  
> >  	finish_wait(q, wait);
> 
> ... the code continues by:
> 
>         if (thrashing) {
>                 if (!PageSwapBacked(page))
> 
> So maybe we should not set 'thrashing' true when lock < 0?
> 
> Thanks!
> Vlastimil

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-20 13:58                                                 ` Baoquan He
@ 2018-11-20 14:05                                                   ` Michal Hocko
  2018-11-20 14:12                                                     ` Baoquan He
  2018-11-21  1:21                                                   ` Hugh Dickins
  1 sibling, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-20 14:05 UTC (permalink / raw)
  To: Baoquan He
  Cc: Hugh Dickins, Vlastimil Babka, pifang, David Hildenbrand,
	linux-mm, linux-kernel, akpm, aarcange, Mel Gorman

On Tue 20-11-18 21:58:03, Baoquan He wrote:
> Hi,
> 
> On 11/20/18 at 02:38pm, Vlastimil Babka wrote:
> > On 11/20/18 6:44 AM, Hugh Dickins wrote:
> > > [PATCH] mm: put_and_wait_on_page_locked() while page is migrated
> > > 
> > > We have all assumed that it is essential to hold a page reference while
> > > waiting on a page lock: partly to guarantee that there is still a struct
> > > page when MEMORY_HOTREMOVE is configured, but also to protect against
> > > reuse of the struct page going to someone who then holds the page locked
> > > indefinitely, when the waiter can reasonably expect timely unlocking.
> > > 
> > > But in fact, so long as wait_on_page_bit_common() does the put_page(),
> > > and is careful not to rely on struct page contents thereafter, there is
> > > no need to hold a reference to the page while waiting on it.  That does
> > 
> > So there's still a moment where refcount is elevated, but hopefully
> > short enough, right? Let's see if it survives Baoquan's stress testing.
> 
> Yes, I applied Hugh's patch 8 hours ago, then our QE Ping operated on
> that machine, after many times of hot removing/adding, the endless
> looping during mirgrating is not seen any more. The test result for
> Hugh's patch is positive. I even suggested Ping increasing the memory
> pressure to "stress -m 250", it still succeeded to offline and remove.
> 
> So I think this patch works to solve the issue. Thanks a lot for your
> help, all of you. 

This is a great news! Thanks for your swift feedback. I will go and try
to review Hugh's patch soon.

> High, will you post a formal patch in a separate thread?
> 
> Meanwhile we found sometime onlining page may not add back all memory
> blocks on one memory board, then hot removing/adding them will cause
> kernel panic. I will investigate further and collect information, see if
> it's a kernel issue or udev issue.

It would be great to get a report in a new email thread.
> 
> Thanks
> Baoquan
> 
> > 
> > > mean that this case cannot go back through the loop: but that's fine for
> > > the page migration case, and even if used more widely, is limited by the
> > > "Stop walking if it's locked" optimization in wake_page_function().
> > > 
> > > Add interface put_and_wait_on_page_locked() to do this, using negative
> > > value of the lock arg to wait_on_page_bit_common() to implement it.
> > > No interruptible or killable variant needed yet, but they might follow:
> > > I have a vague notion that reporting -EINTR should take precedence over
> > > return from wait_on_page_bit_common() without knowing the page state,
> > > so arrange it accordingly - but that may be nothing but pedantic.
> > > 
> > > shrink_page_list()'s __ClearPageLocked(): that was a surprise! this
> > > survived a lot of testing before that showed up.  It does raise the
> > > question: should is_page_cache_freeable() and __remove_mapping() now
> > > treat a PG_waiters page as if an extra reference were held?  Perhaps,
> > > but I don't think it matters much, since shrink_page_list() already
> > > had to win its trylock_page(), so waiters are not very common there: I
> > > noticed no difference when trying the bigger change, and it's surely not
> > > needed while put_and_wait_on_page_locked() is only for page migration.
> > > 
> > > Signed-off-by: Hugh Dickins <hughd@google.com>
> > > ---
> > 
> > ...
> > 
> > > @@ -1100,6 +1111,17 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
> > >  			ret = -EINTR;
> > >  			break;
> > >  		}
> > > +
> > > +		if (lock < 0) {
> > > +			/*
> > > +			 * We can no longer safely access page->flags:
> > 
> > Hmm...
> > 
> > > +			 * even if CONFIG_MEMORY_HOTREMOVE is not enabled,
> > > +			 * there is a risk of waiting forever on a page reused
> > > +			 * for something that keeps it locked indefinitely.
> > > +			 * But best check for -EINTR above before breaking.
> > > +			 */
> > > +			break;
> > > +		}
> > >  	}
> > >  
> > >  	finish_wait(q, wait);
> > 
> > ... the code continues by:
> > 
> >         if (thrashing) {
> >                 if (!PageSwapBacked(page))
> > 
> > So maybe we should not set 'thrashing' true when lock < 0?
> > 
> > Thanks!
> > Vlastimil

-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-20 14:05                                                   ` Michal Hocko
@ 2018-11-20 14:12                                                     ` Baoquan He
  0 siblings, 0 replies; 54+ messages in thread
From: Baoquan He @ 2018-11-20 14:12 UTC (permalink / raw)
  To: Michal Hocko
  Cc: Hugh Dickins, Vlastimil Babka, pifang, David Hildenbrand,
	linux-mm, linux-kernel, akpm, aarcange, Mel Gorman

On 11/20/18 at 03:05pm, Michal Hocko wrote:
> > Yes, I applied Hugh's patch 8 hours ago, then our QE Ping operated on
> > that machine, after many times of hot removing/adding, the endless
> > looping during mirgrating is not seen any more. The test result for
> > Hugh's patch is positive. I even suggested Ping increasing the memory
> > pressure to "stress -m 250", it still succeeded to offline and remove.
> > 
> > So I think this patch works to solve the issue. Thanks a lot for your
> > help, all of you. 
> 
> This is a great news! Thanks for your swift feedback. I will go and try
> to review Hugh's patch soon.

Yeah. Thanks a lot for your help on debugging and narrowing down
to position the cause of the issue, Michal, really appreciated!

> > Meanwhile we found sometime onlining page may not add back all memory
> > blocks on one memory board, then hot removing/adding them will cause
> > kernel panic. I will investigate further and collect information, see if
> > it's a kernel issue or udev issue.
> 
> It would be great to get a report in a new email thread.

Sure, will do after reproducing and inforamtion arranging.

Thanks
Baoquan

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-20 13:38                                               ` Vlastimil Babka
  2018-11-20 13:58                                                 ` Baoquan He
@ 2018-11-21  1:08                                                 ` Hugh Dickins
  2018-11-21  3:20                                                   ` Hugh Dickins
  1 sibling, 1 reply; 54+ messages in thread
From: Hugh Dickins @ 2018-11-21  1:08 UTC (permalink / raw)
  To: Vlastimil Babka
  Cc: Hugh Dickins, Baoquan He, Michal Hocko, David Hildenbrand,
	linux-mm, pifang, linux-kernel, akpm, aarcange, Mel Gorman

On Tue, 20 Nov 2018, Vlastimil Babka wrote:
> On 11/20/18 6:44 AM, Hugh Dickins wrote:
> > [PATCH] mm: put_and_wait_on_page_locked() while page is migrated
> > 
> > We have all assumed that it is essential to hold a page reference while
> > waiting on a page lock: partly to guarantee that there is still a struct
> > page when MEMORY_HOTREMOVE is configured, but also to protect against
> > reuse of the struct page going to someone who then holds the page locked
> > indefinitely, when the waiter can reasonably expect timely unlocking.
> > 
> > But in fact, so long as wait_on_page_bit_common() does the put_page(),
> > and is careful not to rely on struct page contents thereafter, there is
> > no need to hold a reference to the page while waiting on it.  That does
> 
> So there's still a moment where refcount is elevated, but hopefully
> short enough, right?

Correct: and given page migration's 10 passes, it would have to be very
unlucky to hit one of those transiently elevated refcounts every time:
so I don't think it's a grave drawback at all - certainly much less
grave than how it's done at present.

I admit that doing a get_page_unless_zero() immediately before the
put_and_wait_on_page_locked() looks rather silly, but I think we do
have to hold a reference in order to set PG_waiters. Then for other
future uses (e.g. in find_get_entry() or lock_page_or_retry()),
the reference to be dropped has been taken earlier anyway.

> Let's see if it survives Baoquan's stress testing.
> 
> > mean that this case cannot go back through the loop: but that's fine for
> > the page migration case, and even if used more widely, is limited by the
> > "Stop walking if it's locked" optimization in wake_page_function().
> > 
> > Add interface put_and_wait_on_page_locked() to do this, using negative
> > value of the lock arg to wait_on_page_bit_common() to implement it.
> > No interruptible or killable variant needed yet, but they might follow:
> > I have a vague notion that reporting -EINTR should take precedence over
> > return from wait_on_page_bit_common() without knowing the page state,
> > so arrange it accordingly - but that may be nothing but pedantic.
> > 
> > shrink_page_list()'s __ClearPageLocked(): that was a surprise! this
> > survived a lot of testing before that showed up.  It does raise the
> > question: should is_page_cache_freeable() and __remove_mapping() now
> > treat a PG_waiters page as if an extra reference were held?  Perhaps,
> > but I don't think it matters much, since shrink_page_list() already
> > had to win its trylock_page(), so waiters are not very common there: I
> > noticed no difference when trying the bigger change, and it's surely not
> > needed while put_and_wait_on_page_locked() is only for page migration.
> > 
> > Signed-off-by: Hugh Dickins <hughd@google.com>
> > ---
> 
> ...
> 
> > @@ -1100,6 +1111,17 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
> >  			ret = -EINTR;
> >  			break;
> >  		}
> > +
> > +		if (lock < 0) {
> > +			/*
> > +			 * We can no longer safely access page->flags:
> 
> Hmm...
> 
> > +			 * even if CONFIG_MEMORY_HOTREMOVE is not enabled,
> > +			 * there is a risk of waiting forever on a page reused
> > +			 * for something that keeps it locked indefinitely.
> > +			 * But best check for -EINTR above before breaking.
> > +			 */
> > +			break;
> > +		}
> >  	}
> >  
> >  	finish_wait(q, wait);
> 
> ... the code continues by:
> 
>         if (thrashing) {
>                 if (!PageSwapBacked(page))
> 
> So maybe we should not set 'thrashing' true when lock < 0?

Very good catch, thank you Vlastimil: as you might have guessed, the
patch from a pre-PSI kernel applied cleanly, and I just hadn't reviewed
the surrounding context properly before sending out.

I cannot say immediately what the right answer is, I'll have to do some
research first: maybe not enter the block that sets thrashing true when
lock < 0, as you suggest, or maybe force lock < 0 to 0 and put_page()
afterwards, or... 

Hugh

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-20 13:58                                                 ` Baoquan He
  2018-11-20 14:05                                                   ` Michal Hocko
@ 2018-11-21  1:21                                                   ` Hugh Dickins
  1 sibling, 0 replies; 54+ messages in thread
From: Hugh Dickins @ 2018-11-21  1:21 UTC (permalink / raw)
  To: Baoquan He
  Cc: Hugh Dickins, Michal Hocko, Vlastimil Babka, pifang,
	David Hildenbrand, linux-mm, linux-kernel, akpm, aarcange,
	Mel Gorman

On Tue, 20 Nov 2018, Baoquan He wrote:
> On 11/20/18 at 02:38pm, Vlastimil Babka wrote:
> > On 11/20/18 6:44 AM, Hugh Dickins wrote:
> > > [PATCH] mm: put_and_wait_on_page_locked() while page is migrated
> > > 
> > > We have all assumed that it is essential to hold a page reference while
> > > waiting on a page lock: partly to guarantee that there is still a struct
> > > page when MEMORY_HOTREMOVE is configured, but also to protect against
> > > reuse of the struct page going to someone who then holds the page locked
> > > indefinitely, when the waiter can reasonably expect timely unlocking.
> > > 
> > > But in fact, so long as wait_on_page_bit_common() does the put_page(),
> > > and is careful not to rely on struct page contents thereafter, there is
> > > no need to hold a reference to the page while waiting on it.  That does
> > 
> > So there's still a moment where refcount is elevated, but hopefully
> > short enough, right? Let's see if it survives Baoquan's stress testing.
> 
> Yes, I applied Hugh's patch 8 hours ago, then our QE Ping operated on
> that machine, after many times of hot removing/adding, the endless
> looping during mirgrating is not seen any more. The test result for
> Hugh's patch is positive. I even suggested Ping increasing the memory
> pressure to "stress -m 250", it still succeeded to offline and remove.
> 
> So I think this patch works to solve the issue. Thanks a lot for your
> help, all of you. 

Very good to hear, thanks a lot for your quick feedback.

> 
> High, will you post a formal patch in a separate thread?

Yes, I promise that I shall do so in the next few days, but not today:
some other things have to take priority.

And Vlastimil has raised an excellent point about the interaction with
PSI "thrashing": I need to read up and decide which way to go on that
(and add Johannes to the Cc when I post).

I think I shall probably post it directly to Linus (lists and other
people Cc'ed of course): not because I think it should be rushed in
too quickly, nor to sidestep Andrew, but because Linus was very closely
involved in both the PG_waiters and WQ_FLAG_BOOKMARK discussions:
it is an area of special interest to him.

Hugh

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-21  1:08                                                 ` Hugh Dickins
@ 2018-11-21  3:20                                                   ` Hugh Dickins
  0 siblings, 0 replies; 54+ messages in thread
From: Hugh Dickins @ 2018-11-21  3:20 UTC (permalink / raw)
  To: Vlastimil Babka
  Cc: Hugh Dickins, Baoquan He, Michal Hocko, David Hildenbrand,
	linux-mm, pifang, linux-kernel, akpm, aarcange, Mel Gorman

On Tue, 20 Nov 2018, Hugh Dickins wrote:
> On Tue, 20 Nov 2018, Vlastimil Babka wrote:
> > >  
> > >  	finish_wait(q, wait);
> > 
> > ... the code continues by:
> > 
> >         if (thrashing) {
> >                 if (!PageSwapBacked(page))
> > 
> > So maybe we should not set 'thrashing' true when lock < 0?
> 
> Very good catch, thank you Vlastimil: as you might have guessed, the
> patch from a pre-PSI kernel applied cleanly, and I just hadn't reviewed
> the surrounding context properly before sending out.
> 
> I cannot say immediately what the right answer is, I'll have to do some
> research first: maybe not enter the block that sets thrashing true when
> lock < 0, as you suggest, or maybe force lock < 0 to 0 and put_page()
> afterwards, or... 

... I still won't adjust the patch tonight, but the answer is obvious
now I look closer: as you show in your extract above, the only thing
it does with "page" at the end is to ask if it was SwapBacked, so we
just need to set one more bool at the beginning to check at the end
(or I could make "thrashing" a -1, 0, 1 int like "lock": but my guess
is that that would not be to other people's taste: acceptable for the
arg, but stretching your patience for the local variable).

By the way, I do have a further patch to wait_on_page_bit_common(),
which I could send at the same time, if it sounds right to you
(but it's a no-op in the put_and_wait page migration case).  That
__add_wait_queue_entry_tail() is right for the first time into
the loop, but I maintain that it should use __add_wait_queue()
for fairness thereafter, to avoid repeatedly sending older waiters
back to the back of the queue.  I don't have hard numbers for it,
but it's one of several patches, each of which helped to reduce our
wait_on_page_bit lockups in some (perhaps unrealistic) stress tests.

Hugh

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-20  5:44                                             ` Hugh Dickins
  2018-11-20 13:38                                               ` Vlastimil Babka
@ 2018-11-21 17:31                                               ` Michal Hocko
  2018-11-22  1:53                                                 ` Hugh Dickins
  1 sibling, 1 reply; 54+ messages in thread
From: Michal Hocko @ 2018-11-21 17:31 UTC (permalink / raw)
  To: Hugh Dickins
  Cc: Baoquan He, Vlastimil Babka, David Hildenbrand, linux-mm, pifang,
	linux-kernel, akpm, aarcange, Mel Gorman

On Mon 19-11-18 21:44:41, Hugh Dickins wrote:
[...]
> [PATCH] mm: put_and_wait_on_page_locked() while page is migrated
> 
> We have all assumed that it is essential to hold a page reference while
> waiting on a page lock: partly to guarantee that there is still a struct
> page when MEMORY_HOTREMOVE is configured, but also to protect against
> reuse of the struct page going to someone who then holds the page locked
> indefinitely, when the waiter can reasonably expect timely unlocking.

I would add the following for the "problem statement". Feel free to
reuse per your preference:
"
An elevated reference count, however, stands in the way of migration and
forces it to fail with a bad timing. This is especially a problem for
memory offlining which retries for ever (or until the operation is
terminated from userspace) because a heavy refault workload can trigger
essentially an endless loop of migration failures. Therefore
__migration_entry_wait is essentially harmful for the even it is waiting
for.
"

> But in fact, so long as wait_on_page_bit_common() does the put_page(),
> and is careful not to rely on struct page contents thereafter, there is
> no need to hold a reference to the page while waiting on it.  That does
> mean that this case cannot go back through the loop: but that's fine for
> the page migration case, and even if used more widely, is limited by the
> "Stop walking if it's locked" optimization in wake_page_function().

I would appreciate this would be more explicit about the existence of
the elevated-ref-count problem but it reduces it to a tiny time window
compared to the whole time the waiter is blocked. So a great
improvement.

> Add interface put_and_wait_on_page_locked() to do this, using negative
> value of the lock arg to wait_on_page_bit_common() to implement it.
> No interruptible or killable variant needed yet, but they might follow:
> I have a vague notion that reporting -EINTR should take precedence over
> return from wait_on_page_bit_common() without knowing the page state,
> so arrange it accordingly - but that may be nothing but pedantic.
> 
> shrink_page_list()'s __ClearPageLocked(): that was a surprise!

and I can imagine a bad one. Do we really have to be so clever here?
The unlock_page went away in the name of performance (a978d6f521063)
and I would argue that this is a slow path where this is just not worth
it.

> this
> survived a lot of testing before that showed up.  It does raise the
> question: should is_page_cache_freeable() and __remove_mapping() now
> treat a PG_waiters page as if an extra reference were held?  Perhaps,
> but I don't think it matters much, since shrink_page_list() already
> had to win its trylock_page(), so waiters are not very common there: I
> noticed no difference when trying the bigger change, and it's surely not
> needed while put_and_wait_on_page_locked() is only for page migration.
> 
> Signed-off-by: Hugh Dickins <hughd@google.com>

The patch looks good to me - quite ugly but it doesn't make the existing
code much worse.

With the problem described Vlastimil fixed, feel free to add
Acked-by: Michal Hocko <mhocko@suse.com>

And thanks for a prompt patch. This is something I've been chasing for
quite some time. __migration_entry_wait came to my radar only recently
because this is an extremely volatile area.
-- 
Michal Hocko
SUSE Labs

^ permalink raw reply	[flat|nested] 54+ messages in thread

* Re: Memory hotplug softlock issue
  2018-11-21 17:31                                               ` Michal Hocko
@ 2018-11-22  1:53                                                 ` Hugh Dickins
  0 siblings, 0 replies; 54+ messages in thread
From: Hugh Dickins @ 2018-11-22  1:53 UTC (permalink / raw)
  To: Michal Hocko
  Cc: Hugh Dickins, Baoquan He, Vlastimil Babka, David Hildenbrand,
	linux-mm, pifang, linux-kernel, akpm, aarcange, Mel Gorman

On Wed, 21 Nov 2018, Michal Hocko wrote:
> On Mon 19-11-18 21:44:41, Hugh Dickins wrote:
> [...]
> > [PATCH] mm: put_and_wait_on_page_locked() while page is migrated
> > 
> > We have all assumed that it is essential to hold a page reference while
> > waiting on a page lock: partly to guarantee that there is still a struct
> > page when MEMORY_HOTREMOVE is configured, but also to protect against
> > reuse of the struct page going to someone who then holds the page locked
> > indefinitely, when the waiter can reasonably expect timely unlocking.
> 
> I would add the following for the "problem statement". Feel free to
> reuse per your preference:
> "
> An elevated reference count, however, stands in the way of migration and
> forces it to fail with a bad timing. This is especially a problem for
> memory offlining which retries for ever (or until the operation is
> terminated from userspace) because a heavy refault workload can trigger
> essentially an endless loop of migration failures. Therefore
> __migration_entry_wait is essentially harmful for the even it is waiting
> for.
> "

Okay, I do have a lot written from way back when I prepared the
now-abandoned migration_waitqueue patch internally, but I'll factor in
what you say above when I get there - in particular, you highlight the
memory offlining aspect, as in this mailthread: which is very helpful,
because it's outside my experience so I won't have mentioned it - thanks.

I just know that there's some important linkage to do, to the August 2017
WQ_FLAG_BOOKMARK discussion: so it's a research and editing job I have to
work myself up to at the right moment.

> 
> > But in fact, so long as wait_on_page_bit_common() does the put_page(),
> > and is careful not to rely on struct page contents thereafter, there is
> > no need to hold a reference to the page while waiting on it.  That does
> > mean that this case cannot go back through the loop: but that's fine for
> > the page migration case, and even if used more widely, is limited by the
> > "Stop walking if it's locked" optimization in wake_page_function().
> 
> I would appreciate this would be more explicit about the existence of
> the elevated-ref-count problem but it reduces it to a tiny time window
> compared to the whole time the waiter is blocked. So a great
> improvement.

Fair enough, I'll do so. (But that's a bit like when we say we've attached
something and then forget to do so: please check that I've been honest
when I do post.)

> 
> > Add interface put_and_wait_on_page_locked() to do this, using negative
> > value of the lock arg to wait_on_page_bit_common() to implement it.
> > No interruptible or killable variant needed yet, but they might follow:
> > I have a vague notion that reporting -EINTR should take precedence over
> > return from wait_on_page_bit_common() without knowing the page state,
> > so arrange it accordingly - but that may be nothing but pedantic.
> > 
> > shrink_page_list()'s __ClearPageLocked(): that was a surprise!
> 
> and I can imagine a bad one. Do we really have to be so clever here?
> The unlock_page went away in the name of performance (a978d6f521063)
> and I would argue that this is a slow path where this is just not worth
> it.

Do we really have to be so clever here? That's a good question: now we
have PG_waiters, we probably do not need to bother with this cleverness,
and it would save me from having to expand on that comment as I was asked.
I'll try going back to a simple unlock_page() there: and can always restore
the __ClearPageLocked if a reviewer demands, or 0-day notices regression,

> 
> > this
> > survived a lot of testing before that showed up.  It does raise the
> > question: should is_page_cache_freeable() and __remove_mapping() now
> > treat a PG_waiters page as if an extra reference were held?  Perhaps,
> > but I don't think it matters much, since shrink_page_list() already
> > had to win its trylock_page(), so waiters are not very common there: I
> > noticed no difference when trying the bigger change, and it's surely not
> > needed while put_and_wait_on_page_locked() is only for page migration.
> > 
> > Signed-off-by: Hugh Dickins <hughd@google.com>
> 
> The patch looks good to me - quite ugly but it doesn't make the existing
> code much worse.
> 
> With the problem described Vlastimil fixed, feel free to add
> Acked-by: Michal Hocko <mhocko@suse.com>

Thanks!

> 
> And thanks for a prompt patch. This is something I've been chasing for
> quite some time. __migration_entry_wait came to my radar only recently
> because this is an extremely volatile area.

You are very gracious to describe a patch promised six months ago as
"prompt".  But it does help me a lot to have it fixing a real problem
for someone (thank you Baoquan) - well, it fixed a real problem for us
internally too, but very nice to gather more backing for it like this.

Hugh

^ permalink raw reply	[flat|nested] 54+ messages in thread

end of thread, other threads:[~2018-11-22  1:53 UTC | newest]

Thread overview: 54+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-11-14  7:09 Memory hotplug softlock issue Baoquan He
2018-11-14  7:16 ` Baoquan He
2018-11-14  8:18 ` David Hildenbrand
2018-11-14  9:00   ` Baoquan He
2018-11-14  9:25     ` David Hildenbrand
2018-11-14  9:41       ` Michal Hocko
2018-11-14  9:48         ` David Hildenbrand
2018-11-14 10:04           ` Michal Hocko
2018-11-14  9:01   ` Michal Hocko
2018-11-14  9:22     ` David Hildenbrand
2018-11-14  9:37       ` Michal Hocko
2018-11-14  9:39         ` David Hildenbrand
2018-11-14 14:52     ` Baoquan He
2018-11-14 15:00       ` Michal Hocko
2018-11-15  5:10         ` Baoquan He
2018-11-15  7:30           ` Michal Hocko
2018-11-15  7:53             ` Baoquan He
2018-11-15  8:30               ` Michal Hocko
2018-11-15  9:42                 ` David Hildenbrand
2018-11-15  9:52                   ` Baoquan He
2018-11-15  9:53                     ` David Hildenbrand
2018-11-15 13:12                 ` Baoquan He
2018-11-15 13:19                   ` Michal Hocko
2018-11-15 13:23                     ` Baoquan He
2018-11-15 14:25                       ` Michal Hocko
2018-11-15 13:38                     ` Baoquan He
2018-11-15 14:32                       ` Michal Hocko
2018-11-15 14:34                         ` Baoquan He
2018-11-16  1:24                         ` Baoquan He
2018-11-16  9:14                           ` Michal Hocko
2018-11-17  4:22                             ` Baoquan He
     [not found]                             ` <20181119105202.GE18471@MiWiFi-R3L-srv>
2018-11-19 12:40                               ` Michal Hocko
2018-11-19 12:51                                 ` Michal Hocko
2018-11-19 14:10                                   ` Michal Hocko
2018-11-19 16:36                                     ` Vlastimil Babka
2018-11-19 16:46                                       ` Michal Hocko
2018-11-19 16:46                                         ` Vlastimil Babka
2018-11-19 16:48                                           ` Vlastimil Babka
2018-11-19 17:01                                             ` Michal Hocko
2018-11-19 17:33                                     ` Michal Hocko
2018-11-19 20:34                                       ` Hugh Dickins
2018-11-19 20:59                                         ` Michal Hocko
2018-11-20  1:56                                           ` Baoquan He
2018-11-20  5:44                                             ` Hugh Dickins
2018-11-20 13:38                                               ` Vlastimil Babka
2018-11-20 13:58                                                 ` Baoquan He
2018-11-20 14:05                                                   ` Michal Hocko
2018-11-20 14:12                                                     ` Baoquan He
2018-11-21  1:21                                                   ` Hugh Dickins
2018-11-21  1:08                                                 ` Hugh Dickins
2018-11-21  3:20                                                   ` Hugh Dickins
2018-11-21 17:31                                               ` Michal Hocko
2018-11-22  1:53                                                 ` Hugh Dickins
2018-11-14 10:00 ` Michal Hocko

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