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From: Leon Romanovsky <leon@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>, Ingo Molnar <mingo@redhat.com>,
	Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
	x86 <x86@kernel.org>, Suresh Siddha <suresh.b.siddha@intel.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/apic: Fix circular locking dependency between console and hrtimer locks
Date: Mon, 27 Apr 2020 16:41:30 +0300
Message-ID: <20200427134130.GE134660@unreal> (raw)
In-Reply-To: <87h7x5qe3v.fsf@nanos.tec.linutronix.de>


[-- Attachment #1: Type: text/plain, Size: 4569 bytes --]

On Mon, Apr 27, 2020 at 02:59:00PM +0200, Thomas Gleixner wrote:
> Leon Romanovsky <leon@kernel.org> writes:
> > On Mon, Apr 27, 2020 at 01:09:49PM +0200, Thomas Gleixner wrote:
> >> The local APIC timer (in this case the TSC deadline timer) is set up
> >> during early boot on the boot CPU (before SMP setup) with this call
> >> chain:
> >>
> >> smp_prepare_cpus()
> >>  native_smp_prepare_cpus()
> >>    x86_init.timers.setup_percpu_clockev()
> >>      setup_boot_APIC_clock()
> >>        setup_APIC_timer()
> >>          clockevents_config_and_register()
> >>            tick_check_new_device()
> >>              tick_setup_device()
> >>                tick_setup_oneshot()
> >>                  clockevents_switch_state()
> >>                    lapic_timer_set_oneshot()
> >>                      __setup_APIC_LVTT()
> >>                        printk_once(...)
> >>
> >> Nothing holds hrtimer.base_lock in this call chain.
> >
> > Can't printk hold that lock through console/netconsole?
>
> How so?

OK, I consulted with verification people and back then the trigger was:
Reproduce when run "echo 1 > /sys/kernel/debug/clear_warn_once" after reboot

>
> The lockdep splat is about this:
>
>  [  735.324154] swapper/3/0 is trying to acquire lock:
>  [  735.324155] ffffffff8442c858 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0x13/0x70
>  [  735.324162]
>  [  735.324164] but task is already holding lock:
>  [  735.324165] ffff88842dfb9958 (hrtimer_bases.lock){-.-.}-{2:2}, at: lock_hrtimer_base+0x71/0x120
>
> and the call chain is:
>
>  [  735.324283]        __lock_acquire+0x374a/0x5210
>  [  735.324284]        lock_acquire+0x1b9/0x920
>  [  735.324286]        _raw_spin_lock_irqsave+0x3c/0x4b
>  [  735.324288]        down_trylock+0x13/0x70
>  [  735.324289]        __down_trylock_console_sem+0x33/0xa0
>  [  735.324291]        console_trylock+0x13/0x60
>  [  735.324292]        vprintk_emit+0xec/0x370
>  [  735.324294]        printk+0x9c/0xc3
>  [  735.324296]        lapic_timer_set_oneshot+0x4e/0x60
>  [  735.324297]        clockevents_switch_state+0x1e1/0x360
>  [  735.324299]        tick_program_event+0xae/0xc0
>  [  735.324301]        hrtimer_start_range_ns+0x4b6/0xaa0
>  [  735.324302]        tick_nohz_idle_stop_tick+0x67c/0xa90
>  [  735.324304]        do_idle+0x326/0x530
>  [  735.324305]        cpu_startup_entry+0x19/0x20
>  [  735.324307]        start_secondary+0x2ee/0x3e0
>  [  735.324309]        secondary_startup_64+0xa4/0xb0
>
> hrtimer_start_range_ns() clearly holds htimer_base::lock
>
> >> But the lockdep splat clearly says:
> >>
> >>  [  735.324357] stack backtrace:
> >>  [  735.324360] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70 #1
> >>
> >> ...
> >>
> >> So how can that be the first invocation of that printk_once()?
> >>
> >> While the patch looks innocent, it papers over the underlying problem
> >> and wild theories are not really helping here.
> >>
> >> Here is a boot log excerpt with lockdep enabled and 'debug' on the
> >> command line:
> >>
> >> [    0.000000] Linux version 5.7.0-rc3 ...
> >> ...
> >> [    3.992125] TSC deadline timer enabled
> >> [    3.995820] smpboot: CPU0: Intel(R) ....
> >> ...
> >> [    4.050766] smp: Bringing up secondary CPUs ...
> >>
> >> No splat nothing. The real question is WHY this triggers on Leons
> >> machine 735 seconds after boot and on CPU3.
> >
> > I want to believe that the timestamp are not correct, have no clue if it
> > is even possible.
>
> It does not matter whether the timestamps are correct or not. Even if
> they are not, then this does not change the fact that this happens on
> CPU3 way after the first invocation of __setup_APIC_LVTT() on CPU0 which
> simply cannot trigger this splat.
>
> Can you please provide the full dmesg with the splat?

Attached

>
> > But let's talk about facts:
> > 1. It is started after -rc1 (we don't test linux-next).
>
> Is that a plain kernel from Linus tree or do you have other patches
> applied?

It is clean one.

>
> A .config file would be appreciated as well along with information about
> the hardware or whatever this runs on.

This is passthrough VM with Mellanox NICs in it, everything else is
virtual.

>
> > 2. This workaround helped to eliminate the splat.
>
> It's eliminating the symptom, but this does not make the root cause go
> away nor does it explain anything.
>
> > 3. My machine experiences the extra splat all the time
> > https://lore.kernel.org/lkml/20200414070502.GR334007@unreal/
>
> which is completely unrelated.
>
> Thanks,
>
>         tglx

[-- Attachment #2: bug_2131735 --]
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[    0.000000] Linux version 5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70 (jenkins@281120a7fa96) (gcc version 7.3.1 20180130 (Red Hat 7.3.1-2) (GCC)) #1 SMP Fri Apr 3 07:53:30 UTC 2020
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70 root=UUID=d6ebbea4-17a0-43ef-b491-695fef2aeb1c ro net.ifnames=0 biosdevname=0 console=tty0 console=ttyS1,115200 audit=0
[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers'
[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
[    0.000000] x86/fpu: xstate_offset[3]:  832, xstate_sizes[3]:   64
[    0.000000] x86/fpu: xstate_offset[4]:  896, xstate_sizes[4]:   64
[    0.000000] x86/fpu: xstate_offset[5]:  960, xstate_sizes[5]:   64
[    0.000000] x86/fpu: xstate_offset[6]: 1024, xstate_sizes[6]:  512
[    0.000000] x86/fpu: xstate_offset[7]: 1536, xstate_sizes[7]: 1024
[    0.000000] x86/fpu: xstate_offset[9]: 2560, xstate_sizes[9]:    8
[    0.000000] x86/fpu: Enabled xstate features 0x2ff, context size is 2568 bytes, using 'compacted' format.
[    0.000000] BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[    0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffddfff] usable
[    0.000000] BIOS-e820: [mem 0x000000007ffde000-0x000000007fffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000047fffffff] usable
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] SMBIOS 2.8 present.
[    0.000000] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
[    0.000000] Hypervisor detected: KVM
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000001] kvm-clock: cpu 0, msr 599c001, primary cpu clock
[    0.000001] kvm-clock: using sched offset of 25664996450613 cycles
[    0.000013] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.000029] tsc: Detected 2294.614 MHz processor
[    0.002225] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[    0.002229] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.002237] last_pfn = 0x480000 max_arch_pfn = 0x400000000
[    0.002280] MTRR default type: write-back
[    0.002282] MTRR fixed ranges enabled:
[    0.002285]   00000-9FFFF write-back
[    0.002288]   A0000-BFFFF uncachable
[    0.002291]   C0000-FFFFF write-protect
[    0.002293] MTRR variable ranges enabled:
[    0.002296]   0 base 00C0000000 mask FFC0000000 uncachable
[    0.002298]   1 disabled
[    0.002301]   2 disabled
[    0.002303]   3 disabled
[    0.002305]   4 disabled
[    0.002307]   5 disabled
[    0.002309]   6 disabled
[    0.002311]   7 disabled
[    0.002335] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  
[    0.002355] last_pfn = 0x7ffde max_arch_pfn = 0x400000000
[    0.004933] Using GB pages for direct mapping
[    0.004945] BRK [0x07401000, 0x07401fff] PGTABLE
[    0.004948] BRK [0x07402000, 0x07402fff] PGTABLE
[    0.004951] BRK [0x07403000, 0x07403fff] PGTABLE
[    0.005567] RAMDISK: [mem 0x362f1000-0x37170fff]
[    0.005588] ACPI: Early table checksum verification disabled
[    0.005620] ACPI: RSDP 0x00000000000F59F0 000014 (v00 BOCHS )
[    0.005629] ACPI: RSDT 0x000000007FFE2014 000034 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.005648] ACPI: FACP 0x000000007FFE1DEC 0000F4 (v03 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.005667] ACPI: DSDT 0x000000007FFDFC40 0021AC (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.005675] ACPI: FACS 0x000000007FFDFC00 000040
[    0.005683] ACPI: APIC 0x000000007FFE1EE0 0000C0 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.005691] ACPI: HPET 0x000000007FFE1FA0 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.005699] ACPI: MCFG 0x000000007FFE1FD8 00003C (v01 BOCHS  BXPCMCFG 00000001 BXPC 00000001)
[    0.005719] ACPI: Local APIC address 0xfee00000
[    0.006053] No NUMA configuration found
[    0.006057] Faking a node at [mem 0x0000000000000000-0x000000047fffffff]
[    0.006093] NODE_DATA(0) allocated [mem 0x47ffdc000-0x47fffdfff]
[    0.006219] Zone ranges:
[    0.006223]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    0.006228]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
[    0.006232]   Normal   [mem 0x0000000100000000-0x000000047fffffff]
[    0.006236] Movable zone start for each node
[    0.006243] Early memory node ranges
[    0.006247]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    0.006251]   node   0: [mem 0x0000000000100000-0x000000007ffddfff]
[    0.006255]   node   0: [mem 0x0000000100000000-0x000000047fffffff]
[    0.006279] Zeroed struct page in unavailable ranges: 132 pages
[    0.006281] Initmem setup node 0 [mem 0x0000000000001000-0x000000047fffffff]
[    0.006287] On node 0 totalpages: 4194172
[    0.006293]   DMA zone: 64 pages used for memmap
[    0.006295]   DMA zone: 21 pages reserved
[    0.006298]   DMA zone: 3998 pages, LIFO batch:0
[    0.006479]   DMA32 zone: 8128 pages used for memmap
[    0.006481]   DMA32 zone: 520158 pages, LIFO batch:63
[    0.027897]   Normal zone: 57344 pages used for memmap
[    0.027901]   Normal zone: 3670016 pages, LIFO batch:63
[    0.398641] kasan: KernelAddressSanitizer initialized
[    0.401443] ACPI: PM-Timer IO Port: 0x608
[    0.401451] ACPI: Local APIC address 0xfee00000
[    0.401473] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    0.401538] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    0.401553] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.401559] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    0.401563] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.401573] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    0.401578] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    0.401583] ACPI: IRQ0 used by override.
[    0.401586] ACPI: IRQ5 used by override.
[    0.401589] ACPI: IRQ9 used by override.
[    0.401592] ACPI: IRQ10 used by override.
[    0.401594] ACPI: IRQ11 used by override.
[    0.401599] Using ACPI (MADT) for SMP configuration information
[    0.401604] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[    0.401626] smpboot: Allowing 10 CPUs, 0 hotplug CPUs
[    0.401658] KVM setup pv remote TLB flush
[    0.401713] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[    0.401719] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[    0.401723] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[    0.401727] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[    0.401733] PM: hibernation: Registered nosave memory: [mem 0x7ffde000-0x7fffffff]
[    0.401737] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xafffffff]
[    0.401741] PM: hibernation: Registered nosave memory: [mem 0xb0000000-0xbfffffff]
[    0.401745] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfed1bfff]
[    0.401749] PM: hibernation: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff]
[    0.401752] PM: hibernation: Registered nosave memory: [mem 0xfed20000-0xfeffbfff]
[    0.401756] PM: hibernation: Registered nosave memory: [mem 0xfeffc000-0xfeffffff]
[    0.401760] PM: hibernation: Registered nosave memory: [mem 0xff000000-0xfffbffff]
[    0.401764] PM: hibernation: Registered nosave memory: [mem 0xfffc0000-0xffffffff]
[    0.401775] [mem 0xc0000000-0xfed1bfff] available for PCI devices
[    0.401779] Booting paravirtualized kernel on KVM
[    0.401794] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
[    0.446614] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:10 nr_node_ids:1
[    0.447773] percpu: Embedded 82 pages/cpu s296464 r8192 d31216 u524288
[    0.447805] pcpu-alloc: s296464 r8192 d31216 u524288 alloc=1*2097152
[    0.447808] pcpu-alloc: [0] 00 01 02 03 [0] 04 05 06 07 
[    0.447816] pcpu-alloc: [0] 08 09 -- -- 
[    0.447878] KVM setup async PF for cpu 0
[    0.447886] kvm-stealtime: cpu 0, msr 42de22a80
[    0.447910] Built 1 zonelists, mobility grouping on.  Total pages: 4128615
[    0.447914] Policy zone: Normal
[    0.447920] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70 root=UUID=d6ebbea4-17a0-43ef-b491-695fef2aeb1c ro net.ifnames=0 biosdevname=0 console=tty0 console=ttyS1,115200 audit=0
[    0.448205] audit: disabled (until reboot)
[    0.449936] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes, linear)
[    0.450862] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[    0.451077] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.694475] Memory: 14178092K/16776688K available (38916K kernel code, 15192K rwdata, 8212K rodata, 2748K init, 27204K bss, 2598596K reserved, 0K cma-reserved)
[    0.695842] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=10, Nodes=1
[    0.696122] Kernel/User page tables isolation: enabled
[    0.696242] ftrace: allocating 39452 entries in 155 pages
[    0.719655] ftrace: allocated 155 pages with 5 groups
[    0.720860] Running RCU self tests
[    0.720869] rcu: Hierarchical RCU implementation.
[    0.720873] rcu: 	RCU event tracing is enabled.
[    0.720876] rcu: 	RCU lockdep checking is enabled.
[    0.720883] rcu: 	RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=10.
[    0.720889] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.
[    0.720893] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=10
[    0.732329] NR_IRQS: 33024, nr_irqs: 504, preallocated irqs: 16
[    0.733272] random: get_random_bytes called from start_kernel+0x3bb/0x6ed with crng_init=0
[    0.750313] Console: colour VGA+ 80x25
[    0.801061] printk: console [tty0] enabled
[    0.888177] printk: console [ttyS1] enabled
[    0.888983] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.890409] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.891207] ... MAX_LOCK_DEPTH:          48
[    0.892025] ... MAX_LOCKDEP_KEYS:        8192
[    0.892861] ... CLASSHASH_SIZE:          4096
[    0.893674] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.894494] ... MAX_LOCKDEP_CHAINS:      65536
[    0.895321] ... CHAINHASH_SIZE:          32768
[    0.896153]  memory used by lock dependency info: 6301 kB
[    0.897103]  memory used for stack traces: 4224 kB
[    0.897980]  per task-struct memory footprint: 1920 bytes
[    0.899258] ACPI: Core revision 20200214
[    0.901057] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[    0.902823] APIC: Switch to symmetric I/O mode setup
[    0.904077] x2apic enabled
[    0.904974] Switched APIC routing to physical x2apic.
[    0.905939] KVM setup pv IPIs
[    0.908175] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    0.909259] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x211354f4cc6, max_idle_ns: 440795207008 ns
[    0.911120] Calibrating delay loop (skipped) preset value.. 4589.22 BogoMIPS (lpj=2294614)
[    0.912110] pid_max: default: 32768 minimum: 301
[    0.914876] LSM: Security Framework initializing
[    0.915335] SELinux:  Initializing.
[    0.917291] *** VALIDATE selinux ***
[    0.918379] Mount-cache hash table entries: 32768 (order: 6, 262144 bytes, linear)
[    0.919157] Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes, linear)
[    0.921263] *** VALIDATE tmpfs ***
[    0.924393] *** VALIDATE proc ***
[    0.926406] *** VALIDATE cgroup ***
[    0.927112] *** VALIDATE cgroup2 ***
[    0.928176] x86/cpu: User Mode Instruction Prevention (UMIP) activated
[    0.929239] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[    0.930109] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[    0.931116] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[    0.932110] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available!
[    0.932112] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp
[    0.934118] TAA: Vulnerable: Clear CPU buffers attempted, no microcode
[    0.935109] MDS: Vulnerable: Clear CPU buffers attempted, no microcode
[    0.937310] Freeing SMP alternatives memory: 32K
[    0.940471] TSC deadline timer enabled
[    0.940491] smpboot: CPU0: Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz (family: 0x6, model: 0x55, stepping: 0x4)
[    0.942049] Performance Events: Skylake events, Intel PMU driver.
[    0.942130] ... version:                2
[    0.943112] ... bit width:              48
[    0.944111] ... generic registers:      4
[    0.945112] ... value mask:             0000ffffffffffff
[    0.946112] ... max period:             000000007fffffff
[    0.947111] ... fixed-purpose events:   3
[    0.948111] ... event mask:             000000070000000f
[    0.949519] rcu: Hierarchical SRCU implementation.
[    0.953374] smp: Bringing up secondary CPUs ...
[    0.955315] x86: Booting SMP configuration:
[    0.956116] .... node  #0, CPUs:        #1
[    0.173935] kvm-clock: cpu 1, msr 599c041, secondary cpu clock
[    0.173935] smpboot: CPU 1 Converting physical 0 to logical die 1
[    0.963260] KVM setup async PF for cpu 1
[    0.964103] kvm-stealtime: cpu 1, msr 42dea2a80
[    0.966516]   #2
[    0.173935] kvm-clock: cpu 2, msr 599c081, secondary cpu clock
[    0.173935] smpboot: CPU 2 Converting physical 0 to logical die 2
[    0.972195] KVM setup async PF for cpu 2
[    0.973103] kvm-stealtime: cpu 2, msr 42df22a80
[    0.975272]   #3
[    0.173935] kvm-clock: cpu 3, msr 599c0c1, secondary cpu clock
[    0.173935] smpboot: CPU 3 Converting physical 0 to logical die 3
[    0.981219] KVM setup async PF for cpu 3
[    0.982103] kvm-stealtime: cpu 3, msr 42dfa2a80
[    0.984408]   #4
[    0.173935] kvm-clock: cpu 4, msr 599c101, secondary cpu clock
[    0.173935] smpboot: CPU 4 Converting physical 0 to logical die 4
[    0.990206] KVM setup async PF for cpu 4
[    0.991103] kvm-stealtime: cpu 4, msr 42e022a80
[    0.995764]   #5
[    0.173935] kvm-clock: cpu 5, msr 599c141, secondary cpu clock
[    0.173935] smpboot: CPU 5 Converting physical 0 to logical die 5
[    1.002202] KVM setup async PF for cpu 5
[    1.003103] kvm-stealtime: cpu 5, msr 42e0a2a80
[    1.005239]   #6
[    0.173935] kvm-clock: cpu 6, msr 599c181, secondary cpu clock
[    0.173935] smpboot: CPU 6 Converting physical 0 to logical die 6
[    1.011192] KVM setup async PF for cpu 6
[    1.012103] kvm-stealtime: cpu 6, msr 42e122a80
[    1.014267]   #7
[    0.173935] kvm-clock: cpu 7, msr 599c1c1, secondary cpu clock
[    0.173935] smpboot: CPU 7 Converting physical 0 to logical die 7
[    1.020195] KVM setup async PF for cpu 7
[    1.021103] kvm-stealtime: cpu 7, msr 42e1a2a80
[    1.023314]   #8
[    0.173935] kvm-clock: cpu 8, msr 599c201, secondary cpu clock
[    0.173935] smpboot: CPU 8 Converting physical 0 to logical die 8
[    1.029212] KVM setup async PF for cpu 8
[    1.030103] kvm-stealtime: cpu 8, msr 42e222a80
[    1.032424]   #9
[    0.173935] kvm-clock: cpu 9, msr 599c241, secondary cpu clock
[    0.173935] smpboot: CPU 9 Converting physical 0 to logical die 9
[    1.038200] KVM setup async PF for cpu 9
[    1.039103] kvm-stealtime: cpu 9, msr 42e2a2a80
[    1.040367] smp: Brought up 1 node, 10 CPUs
[    1.041114] smpboot: Max logical packages: 10
[    1.042120] smpboot: Total of 10 processors activated (45892.28 BogoMIPS)
[    1.049809] devtmpfs: initialized
[    1.050960] x86/mm: Memory block size: 128MB
[    1.091201] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[    1.092738] futex hash table entries: 4096 (order: 7, 524288 bytes, linear)
[    1.095407] thermal_sys: Registered thermal governor 'fair_share'
[    1.095409] thermal_sys: Registered thermal governor 'bang_bang'
[    1.096116] thermal_sys: Registered thermal governor 'step_wise'
[    1.097113] thermal_sys: Registered thermal governor 'user_space'
[    1.100212] NET: Registered protocol family 16
[    1.105565] cpuidle: using governor menu
[    1.106630] ACPI: bus type PCI registered
[    1.108103] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000)
[    1.109167] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820
[    1.110194] PCI: Using configuration type 1 for base access
[    1.157410] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[    1.158539] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    1.219204] cryptd: max_cpu_qlen set to 1000
[    1.274150] ACPI: Added _OSI(Module Device)
[    1.276163] ACPI: Added _OSI(Processor Device)
[    1.278141] ACPI: Added _OSI(3.0 _SCP Extensions)
[    1.280121] ACPI: Added _OSI(Processor Aggregator Device)
[    1.282160] ACPI: Added _OSI(Linux-Dell-Video)
[    1.283144] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[    1.285129] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[    1.361730] ACPI: 1 ACPI AML tables successfully acquired and loaded
[    1.377763] ACPI: Interpreter enabled
[    1.379330] ACPI: (supports S0 S3 S4 S5)
[    1.380113] ACPI: Using IOAPIC for interrupt routing
[    1.382530] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    1.387159] ACPI: Enabled 1 GPEs in block 00 to 3F
[    1.484822] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    1.485160] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]
[    1.491006] acpi PNP0A08:00: _OSC: platform does not support [LTR]
[    1.495630] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability]
[    1.498186] PCI host bridge to bus 0000:00
[    1.499207] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    1.500126] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    1.501125] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    1.502124] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    1.503124] pci_bus 0000:00: root bus resource [mem 0x480000000-0xc7fffffff window]
[    1.504127] pci_bus 0000:00: root bus resource [bus 00-ff]
[    1.505348] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000
[    1.508420] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000
[    1.511119] pci 0000:00:01.0: reg 0x10: [mem 0xfc000000-0xfcffffff pref]
[    1.516118] pci 0000:00:01.0: reg 0x18: [mem 0xfea10000-0xfea10fff]
[    1.523118] pci 0000:00:01.0: reg 0x30: [mem 0xfea00000-0xfea0ffff pref]
[    1.525911] pci 0000:00:02.0: [1b36:000c] type 01 class 0x060400
[    1.527668] pci 0000:00:02.0: reg 0x10: [mem 0xfea11000-0xfea11fff]
[    1.533388] pci 0000:00:02.1: [1b36:000c] type 01 class 0x060400
[    1.535712] pci 0000:00:02.1: reg 0x10: [mem 0xfea12000-0xfea12fff]
[    1.540788] pci 0000:00:02.2: [1b36:000c] type 01 class 0x060400
[    1.542737] pci 0000:00:02.2: reg 0x10: [mem 0xfea13000-0xfea13fff]
[    1.548382] pci 0000:00:02.3: [1b36:000c] type 01 class 0x060400
[    1.550700] pci 0000:00:02.3: reg 0x10: [mem 0xfea14000-0xfea14fff]
[    1.556383] pci 0000:00:02.4: [1b36:000c] type 01 class 0x060400
[    1.558665] pci 0000:00:02.4: reg 0x10: [mem 0xfea15000-0xfea15fff]
[    1.563951] pci 0000:00:08.0: [15b3:1017] type 00 class 0x020000
[    1.565118] pci 0000:00:08.0: reg 0x10: [mem 0xf8000000-0xf9ffffff 64bit pref]
[    1.572902] pci 0000:00:08.0: PME# supported from D3cold
[    1.575415] pci 0000:00:08.1: [15b3:1017] type 00 class 0x020000
[    1.577118] pci 0000:00:08.1: reg 0x10: [mem 0xfa000000-0xfbffffff 64bit pref]
[    1.584891] pci 0000:00:08.1: PME# supported from D3cold
[    1.586770] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100
[    1.587503] pci 0000:00:1f.0: quirk: [io  0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO
[    1.589755] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601
[    1.595117] pci 0000:00:1f.2: reg 0x20: [io  0xc040-0xc05f]
[    1.597737] pci 0000:00:1f.2: reg 0x24: [mem 0xfea16000-0xfea16fff]
[    1.600342] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500
[    1.603672] pci 0000:00:1f.3: reg 0x20: [io  0x0700-0x073f]
[    1.618639] pci 0000:01:00.0: [1b36:000d] type 00 class 0x0c0330
[    1.619747] pci 0000:01:00.0: reg 0x10: [mem 0xfe800000-0xfe803fff 64bit]
[    1.624305] pci 0000:00:02.0: PCI bridge to [bus 01]
[    1.625138] pci 0000:00:02.0:   bridge window [mem 0xfe800000-0xfe9fffff]
[    1.626134] pci 0000:00:02.0:   bridge window [mem 0xfd800000-0xfd9fffff 64bit pref]
[    1.628287] pci 0000:02:00.0: [1af4:1042] type 00 class 0x010000
[    1.631742] pci 0000:02:00.0: reg 0x14: [mem 0xfe600000-0xfe600fff]
[    1.635118] pci 0000:02:00.0: reg 0x20: [mem 0xfd600000-0xfd603fff 64bit pref]
[    1.638537] pci 0000:00:02.1: PCI bridge to [bus 02]
[    1.639139] pci 0000:00:02.1:   bridge window [mem 0xfe600000-0xfe7fffff]
[    1.640135] pci 0000:00:02.1:   bridge window [mem 0xfd600000-0xfd7fffff 64bit pref]
[    1.642251] pci 0000:03:00.0: [1af4:1045] type 00 class 0x00ff00
[    1.645676] pci 0000:03:00.0: reg 0x20: [mem 0xfd400000-0xfd403fff 64bit pref]
[    1.648009] pci 0000:00:02.2: PCI bridge to [bus 03]
[    1.648139] pci 0000:00:02.2:   bridge window [mem 0xfe400000-0xfe5fffff]
[    1.649134] pci 0000:00:02.2:   bridge window [mem 0xfd400000-0xfd5fffff 64bit pref]
[    1.651280] pci 0000:04:00.0: [1af4:1041] type 00 class 0x020000
[    1.654117] pci 0000:04:00.0: reg 0x14: [mem 0xfe240000-0xfe240fff]
[    1.658117] pci 0000:04:00.0: reg 0x20: [mem 0xfd200000-0xfd203fff 64bit pref]
[    1.661118] pci 0000:04:00.0: reg 0x30: [mem 0xfe200000-0xfe23ffff pref]
[    1.663515] pci 0000:00:02.3: PCI bridge to [bus 04]
[    1.664138] pci 0000:00:02.3:   bridge window [mem 0xfe200000-0xfe3fffff]
[    1.665135] pci 0000:00:02.3:   bridge window [mem 0xfd200000-0xfd3fffff 64bit pref]
[    1.667248] pci 0000:05:00.0: [1af4:1041] type 00 class 0x020000
[    1.670117] pci 0000:05:00.0: reg 0x14: [mem 0xfe040000-0xfe040fff]
[    1.674117] pci 0000:05:00.0: reg 0x20: [mem 0xfd000000-0xfd003fff 64bit pref]
[    1.676118] pci 0000:05:00.0: reg 0x30: [mem 0xfe000000-0xfe03ffff pref]
[    1.678511] pci 0000:00:02.4: PCI bridge to [bus 05]
[    1.679137] pci 0000:00:02.4:   bridge window [mem 0xfe000000-0xfe1fffff]
[    1.680135] pci 0000:00:02.4:   bridge window [mem 0xfd000000-0xfd1fffff 64bit pref]
[    1.693160] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    1.696453] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    1.699441] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    1.702358] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    1.705436] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11)
[    1.714449] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11)
[    1.723402] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11)
[    1.728798] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11)
[    1.729693] ACPI: PCI Interrupt Link [GSIA] (IRQs *16)
[    1.730487] ACPI: PCI Interrupt Link [GSIB] (IRQs *17)
[    1.731467] ACPI: PCI Interrupt Link [GSIC] (IRQs *18)
[    1.732484] ACPI: PCI Interrupt Link [GSID] (IRQs *19)
[    1.733476] ACPI: PCI Interrupt Link [GSIE] (IRQs *20)
[    1.734475] ACPI: PCI Interrupt Link [GSIF] (IRQs *21)
[    1.735487] ACPI: PCI Interrupt Link [GSIG] (IRQs *22)
[    1.736482] ACPI: PCI Interrupt Link [GSIH] (IRQs *23)
[    1.753566] iommu: Default domain type: Translated 
[    1.759447] pci 0000:00:01.0: vgaarb: setting as boot VGA device
[    1.760103] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[    1.760130] pci 0000:00:01.0: vgaarb: bridge control possible
[    1.761113] vgaarb: loaded
[    1.764356] SCSI subsystem initialized
[    1.765425] libata version 3.00 loaded.
[    1.766202] ACPI: bus type USB registered
[    1.767490] usbcore: registered new interface driver usbfs
[    1.768318] usbcore: registered new interface driver hub
[    1.769404] usbcore: registered new device driver usb
[    1.770804] EDAC MC: Ver: 3.0.0
[    1.773554] PCI: Using ACPI for IRQ routing
[    1.813467] PCI: pci_cache_line_size set to 64 bytes
[    1.813697] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[    1.813737] e820: reserve RAM buffer [mem 0x7ffde000-0x7fffffff]
[    1.816463] NetLabel: Initializing
[    1.817117] NetLabel:  domain hash size = 128
[    1.818112] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    1.819411] NetLabel:  unlabeled traffic allowed by default
[    1.820363] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
[    1.821129] hpet0: 3 comparators, 64-bit 100.000000 MHz counter
[    1.824313] clocksource: Switched to clocksource kvm-clock
[    2.149834] *** VALIDATE bpf ***
[    2.155561] VFS: Disk quotas dquot_6.6.0
[    2.157070] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    2.158881] *** VALIDATE ramfs ***
[    2.160000] *** VALIDATE hugetlbfs ***
[    2.162105] pnp: PnP ACPI init
[    2.163890] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[    2.164528] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
[    2.165047] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
[    2.166456] pnp 00:03: Plug and Play ACPI device, IDs PNP0501 (active)
[    2.167383] pnp 00:04: Plug and Play ACPI device, IDs PNP0501 (active)
[    2.173646] pnp: PnP ACPI: found 5 devices
[    2.208854] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    2.211044] pci 0000:00:02.0: bridge window [io  0x1000-0x0fff] to [bus 01] add_size 1000
[    2.213093] pci 0000:00:02.1: bridge window [io  0x1000-0x0fff] to [bus 02] add_size 1000
[    2.215147] pci 0000:00:02.2: bridge window [io  0x1000-0x0fff] to [bus 03] add_size 1000
[    2.217167] pci 0000:00:02.3: bridge window [io  0x1000-0x0fff] to [bus 04] add_size 1000
[    2.219216] pci 0000:00:02.4: bridge window [io  0x1000-0x0fff] to [bus 05] add_size 1000
[    2.221366] pci 0000:00:02.0: BAR 13: assigned [io  0x1000-0x1fff]
[    2.222738] pci 0000:00:02.1: BAR 13: assigned [io  0x2000-0x2fff]
[    2.224060] pci 0000:00:02.2: BAR 13: assigned [io  0x3000-0x3fff]
[    2.225381] pci 0000:00:02.3: BAR 13: assigned [io  0x4000-0x4fff]
[    2.226758] pci 0000:00:02.4: BAR 13: assigned [io  0x5000-0x5fff]
[    2.228155] pci 0000:00:02.0: PCI bridge to [bus 01]
[    2.229328] pci 0000:00:02.0:   bridge window [io  0x1000-0x1fff]
[    2.232317] pci 0000:00:02.0:   bridge window [mem 0xfe800000-0xfe9fffff]
[    2.234823] pci 0000:00:02.0:   bridge window [mem 0xfd800000-0xfd9fffff 64bit pref]
[    2.238786] pci 0000:00:02.1: PCI bridge to [bus 02]
[    2.239977] pci 0000:00:02.1:   bridge window [io  0x2000-0x2fff]
[    2.242794] pci 0000:00:02.1:   bridge window [mem 0xfe600000-0xfe7fffff]
[    2.245173] pci 0000:00:02.1:   bridge window [mem 0xfd600000-0xfd7fffff 64bit pref]
[    2.249070] pci 0000:00:02.2: PCI bridge to [bus 03]
[    2.250278] pci 0000:00:02.2:   bridge window [io  0x3000-0x3fff]
[    2.253697] pci 0000:00:02.2:   bridge window [mem 0xfe400000-0xfe5fffff]
[    2.255810] pci 0000:00:02.2:   bridge window [mem 0xfd400000-0xfd5fffff 64bit pref]
[    2.259141] pci 0000:00:02.3: PCI bridge to [bus 04]
[    2.260334] pci 0000:00:02.3:   bridge window [io  0x4000-0x4fff]
[    2.262932] pci 0000:00:02.3:   bridge window [mem 0xfe200000-0xfe3fffff]
[    2.266295] pci 0000:00:02.3:   bridge window [mem 0xfd200000-0xfd3fffff 64bit pref]
[    2.269449] pci 0000:00:02.4: PCI bridge to [bus 05]
[    2.270691] pci 0000:00:02.4:   bridge window [io  0x5000-0x5fff]
[    2.272949] pci 0000:00:02.4:   bridge window [mem 0xfe000000-0xfe1fffff]
[    2.276015] pci 0000:00:02.4:   bridge window [mem 0xfd000000-0xfd1fffff 64bit pref]
[    2.279220] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
[    2.280564] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
[    2.281885] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[    2.283322] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window]
[    2.284786] pci_bus 0000:00: resource 8 [mem 0x480000000-0xc7fffffff window]
[    2.286237] pci_bus 0000:01: resource 0 [io  0x1000-0x1fff]
[    2.287539] pci_bus 0000:01: resource 1 [mem 0xfe800000-0xfe9fffff]
[    2.288871] pci_bus 0000:01: resource 2 [mem 0xfd800000-0xfd9fffff 64bit pref]
[    2.290797] pci_bus 0000:02: resource 0 [io  0x2000-0x2fff]
[    2.292034] pci_bus 0000:02: resource 1 [mem 0xfe600000-0xfe7fffff]
[    2.293365] pci_bus 0000:02: resource 2 [mem 0xfd600000-0xfd7fffff 64bit pref]
[    2.295259] pci_bus 0000:03: resource 0 [io  0x3000-0x3fff]
[    2.296558] pci_bus 0000:03: resource 1 [mem 0xfe400000-0xfe5fffff]
[    2.297892] pci_bus 0000:03: resource 2 [mem 0xfd400000-0xfd5fffff 64bit pref]
[    2.299782] pci_bus 0000:04: resource 0 [io  0x4000-0x4fff]
[    2.301026] pci_bus 0000:04: resource 1 [mem 0xfe200000-0xfe3fffff]
[    2.302360] pci_bus 0000:04: resource 2 [mem 0xfd200000-0xfd3fffff 64bit pref]
[    2.304260] pci_bus 0000:05: resource 0 [io  0x5000-0x5fff]
[    2.305507] pci_bus 0000:05: resource 1 [mem 0xfe000000-0xfe1fffff]
[    2.306900] pci_bus 0000:05: resource 2 [mem 0xfd000000-0xfd1fffff 64bit pref]
[    2.309633] NET: Registered protocol family 2
[    2.313633] tcp_listen_portaddr_hash hash table entries: 8192 (order: 7, 655360 bytes, linear)
[    2.316426] TCP established hash table entries: 131072 (order: 8, 1048576 bytes, linear)
[    2.319370] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc)
[    2.323702] TCP: Hash tables configured (established 131072 bind 65536)
[    2.325956] UDP hash table entries: 8192 (order: 8, 1310720 bytes, linear)
[    2.328809] UDP-Lite hash table entries: 8192 (order: 8, 1310720 bytes, linear)
[    2.332794] NET: Registered protocol family 1
[    2.333977] NET: Registered protocol family 44
[    2.335232] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[    2.352992] PCI Interrupt Link [GSIG] enabled at IRQ 22
[    2.384530] pci 0000:01:00.0: quirk_usb_early_handoff+0x0/0xbd0 took 46018 usecs
[    2.388815] PCI: CLS 0 bytes, default 64
[    2.390576] Trying to unpack rootfs image as initramfs...
[    3.030135] Freeing initrd memory: 14848K
[    3.033914] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[    3.035315] software IO TLB: mapped [mem 0x7bfde000-0x7ffde000] (64MB)
[    3.036870] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x211354f4cc6, max_idle_ns: 440795207008 ns
[    3.082631] Initialise system trusted keyrings
[    3.084884] workingset: timestamp_bits=36 max_order=22 bucket_order=0
[    3.171329] NET: Registered protocol family 38
[    3.173216] Key type asymmetric registered
[    3.174982] Asymmetric key parser 'x509' registered
[    3.177173] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    3.182969] io scheduler bfq registered
[    3.186843] atomic64_test: passed for x86-64 platform with CX8 and with SSE
[    3.193125] pcieport 0000:00:02.0: PME: Signaling with IRQ 24
[    3.195911] pcieport 0000:00:02.0: AER: enabled with IRQ 24
[    3.218905] pcieport 0000:00:02.1: PME: Signaling with IRQ 25
[    3.221610] pcieport 0000:00:02.1: AER: enabled with IRQ 25
[    3.246498] pcieport 0000:00:02.2: PME: Signaling with IRQ 26
[    3.249149] pcieport 0000:00:02.2: AER: enabled with IRQ 26
[    3.281560] pcieport 0000:00:02.3: PME: Signaling with IRQ 27
[    3.284365] pcieport 0000:00:02.3: AER: enabled with IRQ 27
[    3.307761] pcieport 0000:00:02.4: PME: Signaling with IRQ 28
[    3.310430] pcieport 0000:00:02.4: AER: enabled with IRQ 28
[    3.313297] intel_idle: Please enable MWAIT in BIOS SETUP
[    3.394351] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    3.396253] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    3.399948] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[    3.415877] Non-volatile memory driver v1.3
[    3.417485] Linux agpgart interface v0.103
[    3.454826] virtio_blk virtio0: [vda] 73400320 512-byte logical blocks (37.6 GB/35.0 GiB)
[    3.456895] vda: detected capacity change from 0 to 37580963840
[    3.460536]  vda: vda1
[    3.464687] Loading iSCSI transport class v2.0-870.
[    3.468359] rdac: device handler registered
[    3.469993] hp_sw: device handler registered
[    3.471101] emc: device handler registered
[    3.472589] alua: device handler registered
[    3.474127] iscsi: registered transport (tcp)
[    3.475267] isci: Intel(R) C600 SAS Controller Driver - version 1.2.0
[    3.477127] mpt3sas version 33.100.00.00 loaded
[    3.479592] libcxgbi:libcxgbi_init_module: Chelsio iSCSI driver library libcxgbi v0.9.1-ko (Apr. 2015)
[    3.481860] Chelsio T3 iSCSI Driver cxgb3i v2.0.1-ko (Apr. 2015)
[    3.483354] iscsi: registered transport (cxgb3i)
[    3.484504] Chelsio T4-T6 iSCSI Driver cxgb4i v0.9.5-ko (Apr. 2015)
[    3.486081] iscsi: registered transport (cxgb4i)
[    3.487292] QLogic NetXtreme II iSCSI Driver bnx2i v2.7.10.1 (Jul 16, 2014)
[    3.488884] iscsi: registered transport (bnx2i)
[    3.495820] ahci 0000:00:1f.2: version 3.0
[    3.514879] PCI Interrupt Link [GSIA] enabled at IRQ 16
[    3.517637] ahci 0000:00:1f.2: AHCI 0001.0000 32 slots 6 ports 1.5 Gbps 0x3f impl SATA mode
[    3.519737] ahci 0000:00:1f.2: flags: 64bit ncq only 
[    3.531690] scsi host0: ahci
[    3.535534] scsi host1: ahci
[    3.540802] scsi host2: ahci
[    3.543791] scsi host3: ahci
[    3.546775] scsi host4: ahci
[    3.549766] scsi host5: ahci
[    3.552069] ata1: SATA max UDMA/133 abar m4096@0xfea16000 port 0xfea16100 irq 31
[    3.554075] ata2: SATA max UDMA/133 abar m4096@0xfea16000 port 0xfea16180 irq 31
[    3.556078] ata3: SATA max UDMA/133 abar m4096@0xfea16000 port 0xfea16200 irq 31
[    3.557975] ata4: SATA max UDMA/133 abar m4096@0xfea16000 port 0xfea16280 irq 31
[    3.559960] ata5: SATA max UDMA/133 abar m4096@0xfea16000 port 0xfea16300 irq 31
[    3.570916] ata6: SATA max UDMA/133 abar m4096@0xfea16000 port 0xfea16380 irq 31
[    3.575557] libphy: Fixed MDIO Bus: probed
[    3.576854] cnic: QLogic cnicDriver v2.5.22 (July 20, 2015)
[    3.579043] Fusion MPT base driver 3.04.20
[    3.580150] Copyright (c) 1999-2008 LSI Corporation
[    3.581357] Fusion MPT SAS Host driver 3.04.20
[    3.583498] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    3.584968] ehci-pci: EHCI PCI platform driver
[    3.586245] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    3.587658] ohci-pci: OHCI PCI platform driver
[    3.588872] uhci_hcd: USB Universal Host Controller Interface driver
[    3.610205] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    3.612660] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[    3.615522] xhci_hcd 0000:01:00.0: hcc params 0x00087001 hci version 0x100 quirks 0x0000000000000010
[    3.625878] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.06
[    3.628018] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    3.630422] usb usb1: Product: xHCI Host Controller
[    3.631629] usb usb1: Manufacturer: Linux 5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70 xhci-hcd
[    3.633786] usb usb1: SerialNumber: 0000:01:00.0
[    3.639522] hub 1-0:1.0: USB hub found
[    3.640843] hub 1-0:1.0: 4 ports detected
[    3.645548] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    3.647686] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[    3.649638] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[    3.651369] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.
[    3.654043] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.06
[    3.656202] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    3.658061] usb usb2: Product: xHCI Host Controller
[    3.659287] usb usb2: Manufacturer: Linux 5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70 xhci-hcd
[    3.661451] usb usb2: SerialNumber: 0000:01:00.0
[    3.664937] hub 2-0:1.0: USB hub found
[    3.666268] hub 2-0:1.0: 4 ports detected
[    3.671080] usbcore: registered new interface driver usbserial_generic
[    3.672697] usbserial: USB Serial support registered for generic
[    3.674369] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[    3.677733] serio: i8042 KBD port at 0x60,0x64 irq 1
[    3.679056] serio: i8042 AUX port at 0x60,0x64 irq 12
[    3.682273] mousedev: PS/2 mouse device common for all mice
[    3.684926] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
[    3.689785] rtc_cmos 00:00: RTC can wake from S4
[    3.702702] rtc_cmos 00:00: registered as rtc0
[    3.704227] rtc_cmos 00:00: alarms up to one day, y3k, 114 bytes nvram, hpet irqs
[    3.706303] intel_pstate: CPU model not supported
[    3.709280] No iBFT detected.
[    3.710417] hid: raw HID events driver (C) Jiri Kosina
[    3.713557] usbcore: registered new interface driver usbhid
[    3.714851] usbhid: USB HID core driver
[    3.716229] drop_monitor: Initializing network drop monitor service
[    3.721618] NET: Registered protocol family 10
[    3.728644] Segment Routing with IPv6
[    3.729821] NET: Registered protocol family 17
[    3.747947] IPI shorthand broadcast: enabled
[    3.749402] AVX2 version of gcm_enc/dec engaged.
[    3.750924] AES CTR mode by8 optimization enabled
[    3.880576] ata2: SATA link down (SStatus 0 SControl 300)
[    3.882372] ata1: SATA link down (SStatus 0 SControl 300)
[    3.886836] ata3: SATA link down (SStatus 0 SControl 300)
[    3.888517] ata6: SATA link down (SStatus 0 SControl 300)
[    3.890247] ata5: SATA link down (SStatus 0 SControl 300)
[    3.894988] ata4: SATA link down (SStatus 0 SControl 300)
[    3.998971] sched_clock: Marking stable (3825962125, 172935552)->(4387522858, -388625181)
[    4.002875] registered taskstats version 1
[    4.004204] Loading compiled-in X.509 certificates
[    4.049597] Loaded X.509 cert 'Build time autogenerated kernel key: 46dec4a16668423e305ae94ef227cc4428ba7bf4'
[    4.061618] zswap: default zpool zbud not available
[    4.063195] zswap: pool creation failed
[    4.065861] kmemleak: Kernel memory leak detector initialized (mem pool available: 14078)
[    4.065871] kmemleak: Automatic memory scanning thread started
[    4.069001] ima: No TPM chip found, activating TPM-bypass!
[    4.072227] ima: Allocated hash algorithm: sha1
[    4.073801] ima: No architecture policies found
[    4.079788] rtc_cmos 00:00: setting system clock to 2020-04-27T16:34:48 UTC (1588005288)
[    4.101321] Freeing unused kernel image (initmem) memory: 2748K
[    4.117572] Write protecting the kernel read-only data: 51200k
[    4.122454] Freeing unused kernel image (text/rodata gap) memory: 2040K
[    4.125894] Freeing unused kernel image (rodata/data gap) memory: 2028K
[    4.127633] Run /init as init process
[    4.128663]   with arguments:
[    4.128666]     /init
[    4.128668]   with environment:
[    4.128670]     HOME=/
[    4.128673]     TERM=linux
[    4.128675]     BOOT_IMAGE=/boot/vmlinuz-5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70
[    4.128678]     biosdevname=0
[    4.266090] systemd[1]: systemd 234 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN default-hierarchy=hybrid)
[    4.270505] systemd[1]: Detected virtualization kvm.
[    4.271721] systemd[1]: Detected architecture x86-64.
[    4.272926] systemd[1]: Running in initial RAM disk.
[    4.277038] systemd[1]: Set hostname to <localhost.localdomain>.
[    4.553360] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input2
[    4.637324] random: systemd: uninitialized urandom read (16 bytes read)
[    4.639485] systemd[1]: Reached target Local File Systems.
[    4.642999] random: systemd: uninitialized urandom read (16 bytes read)
[    4.644459] systemd[1]: Reached target Swap.
[    4.647957] random: systemd: uninitialized urandom read (16 bytes read)
[    4.649951] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
[    4.655306] systemd[1]: Listening on Journal Socket (/dev/log).
[    4.664604] systemd[1]: Created slice System Slice.
[    6.140856] EXT4-fs (vda1): mounted filesystem with ordered data mode. Opts: (null)
[    6.686768] random: fast init done
[    6.934859] systemd-journald[284]: Received SIGTERM from PID 1 (systemd).
[    7.120034] printk: systemd: 20 output lines suppressed due to ratelimiting
[    7.221895] SELinux:  Runtime disable is deprecated, use selinux=0 on the kernel cmdline.
[    7.224066] SELinux:  Disabled at runtime.
[    7.268669] systemd[1]: RTC configured in localtime, applying delta of 180 minutes to system time.
[    8.031138] systemd-journald[419]: File /run/log/journal/0a211f346c314823a8416b5687b4ad98/system.journal corrupted or uncleanly shut down, renaming and replacing.
[    8.054540] EXT4-fs (vda1): re-mounted. Opts: (null)
[    8.445058] systemd-journald[419]: Received request to flush runtime journal from PID 1
[    8.896199] Adding 2097148k swap on /swapfile.  Priority:-2 extents:2 across:2236412k FS
[    9.000665] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
[    9.004961] ACPI: Power Button [PWRF]
[    9.163767] pps_core: LinuxPPS API ver. 1 registered
[    9.165119] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    9.170377] lpc_ich 0000:00:1f.0: I/O space for GPIO uninitialized
[    9.187884] PTP clock support registered
[    9.265570] input: PC Speaker as /devices/platform/pcspkr/input/input4
[    9.270176] RPC: Registered named UNIX socket transport module.
[    9.271618] RPC: Registered udp transport module.
[    9.272911] RPC: Registered tcp transport module.
[    9.274284] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    9.330799] i801_smbus 0000:00:1f.3: SMBus using PCI interrupt
[    9.653328] iTCO_vendor_support: vendor-support=0
[    9.658086] PCI Interrupt Link [GSIE] enabled at IRQ 20
[    9.659764] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
[    9.660254] iTCO_wdt: Found a ICH9 TCO device (Version=2, TCOBASE=0x0660)
[    9.662052] mlx5_core 0000:00:08.0: firmware version: 16.27.2048
[    9.662134] mlx5_core 0000:00:08.0: 0.000 Gb/s available PCIe bandwidth (Unknown speed x255 link)
[    9.662647] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
[    9.913070] Rounding down aligned max_sectors from 4294967295 to 4294967288
[    9.915992] db_root: cannot open: /etc/target
[   10.025122] iscsi: registered transport (iser)
[   10.409292] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   10.431387] RPC: Registered rdma transport module.
[   10.432680] RPC: Registered rdma backchannel transport module.
[   10.435718] mlx5_core 0000:00:08.0: Rate limit: 127 rates are supported, range: 0Mbps to 97656Mbps
[   10.439354] mlx5_core 0000:00:08.0: E-Switch: Total vports 2, per vport: max uc(1024) max mc(16384)
[   10.481002] mlx5_core 0000:00:08.0: Port module event: module 0, Cable plugged
[   10.483782] mlx5_core 0000:00:08.0: mlx5_pcie_event:296:(pid 182): PCIe slot advertised sufficient power (75W).
[   10.547504] PCI Interrupt Link [GSIF] enabled at IRQ 21
[   10.550501] mlx5_core 0000:00:08.1: firmware version: 16.27.2048
[   10.551914] mlx5_core 0000:00:08.1: 0.000 Gb/s available PCIe bandwidth (Unknown speed x255 link)
[   11.227431] mlx5_core 0000:00:08.1: Rate limit: 127 rates are supported, range: 0Mbps to 97656Mbps
[   11.233521] mlx5_core 0000:00:08.1: E-Switch: Total vports 2, per vport: max uc(1024) max mc(16384)
[   11.276441] mlx5_core 0000:00:08.1: Port module event: module 1, Cable plugged
[   11.284457] mlx5_core 0000:00:08.1: mlx5_pcie_event:296:(pid 180): PCIe slot advertised sufficient power (75W).
[   11.316383] mlx5_core 0000:00:08.0: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0)
[   11.546350] mlx5_core 0000:00:08.1: MLX5E: StrdRq(1) RqSz(8) StrdSz(2048) RxCqeCmprss(0)
[   11.831729] mlx5_ib: Mellanox Connect-IB Infiniband driver v5.0-0
[   12.243248] random: crng init done
[   12.244300] random: 7 urandom warning(s) missed due to ratelimiting
[   13.199541] FS-Cache: Loaded
[   13.286377] FS-Cache: Netfs 'nfs' registered for caching
[   13.294924] *** VALIDATE nfs ***
[   13.300966] *** VALIDATE nfs4 ***
[   13.318863] Key type dns_resolver registered
[   13.572240] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[   13.582633] Bridge firewalling registered
[   13.586043] NFS: Registering the id_resolver key type
[   13.587377] Key type id_resolver registered
[   13.588516] Key type id_legacy registered
[   90.771014] NFS4: Couldn't follow remote path
[   90.778825] NFS4: Couldn't follow remote path
[   90.783949] NFS4: Couldn't follow remote path
[  132.549020] TSC deadline timer enabled

[  132.575308] ======================================================
[  132.575308] WARNING: possible circular locking dependency detected
[  132.575309] 5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70 #1 Not tainted
[  132.575310] ------------------------------------------------------
[  132.575311] swapper/7/0 is trying to acquire lock:
[  132.575311] ffffffff8442c858 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0x13/0x70

[  132.575314] but task is already holding lock:
[  132.575315] ffff88842e1b9958 (hrtimer_bases.lock){-.-.}-{2:2}, at: lock_hrtimer_base+0x71/0x120

[  132.575317] which lock already depends on the new lock.


[  132.575319] the existing dependency chain (in reverse order) is:

[  132.575320] -> #4 (hrtimer_bases.lock){-.-.}-{2:2}:
[  132.575322]        _raw_spin_lock_irqsave+0x3c/0x4b
[  132.575322]        lock_hrtimer_base+0x71/0x120
[  132.575323]        hrtimer_start_range_ns+0xc6/0xaa0
[  132.575323]        __enqueue_rt_entity+0xc44/0xf50
[  132.575324]        enqueue_rt_entity+0x79/0xc0
[  132.575325]        enqueue_task_rt+0x5c/0x2e0
[  132.575325]        activate_task+0x15a/0x2c0
[  132.575326]        ttwu_do_activate+0xcf/0x120
[  132.575326]        sched_ttwu_pending+0x160/0x230
[  132.575327]        do_idle+0x2cf/0x530
[  132.575327]        cpu_startup_entry+0x19/0x20
[  132.575328]        start_secondary+0x2ee/0x3e0
[  132.575328]        secondary_startup_64+0xa4/0xb0

[  132.575329] -> #3 (&rt_b->rt_runtime_lock){-...}-{2:2}:
[  132.575331]        _raw_spin_lock+0x25/0x30
[  132.575331]        rq_online_rt+0x288/0x550
[  132.575332]        set_rq_online+0x11f/0x190
[  132.575332]        sched_cpu_activate+0x1d4/0x390
[  132.575333]        cpuhp_invoke_callback+0x1c5/0x1560
[  132.575333]        cpuhp_thread_fun+0x3f8/0x6f0
[  132.575334]        smpboot_thread_fn+0x305/0x5f0
[  132.575335]        kthread+0x2f8/0x3b0
[  132.575335]        ret_from_fork+0x24/0x30

[  132.575336] -> #2 (&rq->lock){-.-.}-{2:2}:
[  132.575338]        _raw_spin_lock+0x25/0x30
[  132.575338]        task_fork_fair+0x34/0x430
[  132.575339]        sched_fork+0x48a/0xa60
[  132.575339]        copy_process+0x15df/0x5970
[  132.575340]        _do_fork+0x106/0xcd0
[  132.575340]        kernel_thread+0x9e/0xe0
[  132.575341]        rest_init+0x28/0x330
[  132.575341]        start_kernel+0x6ac/0x6ed
[  132.575342]        secondary_startup_64+0xa4/0xb0

[  132.575342] -> #1 (&p->pi_lock){-.-.}-{2:2}:
[  132.575344]        _raw_spin_lock_irqsave+0x3c/0x4b
[  132.575345]        try_to_wake_up+0x9a/0x1700
[  132.575345]        up+0x7a/0xb0
[  132.575346]        __up_console_sem+0x3c/0x70
[  132.575346]        console_unlock+0x4f4/0xab0
[  132.575347]        con_font_op+0x907/0x1010
[  132.575347]        vt_ioctl+0x10a6/0x2890
[  132.575348]        tty_ioctl+0x257/0x1240
[  132.575348]        ksys_ioctl+0x3e9/0x1190
[  132.575349]        __x64_sys_ioctl+0x6f/0xb0
[  132.575349]        do_syscall_64+0xe7/0x12c0
[  132.575350]        entry_SYSCALL_64_after_hwframe+0x49/0xb3

[  132.575350] -> #0 ((console_sem).lock){-...}-{2:2}:
[  132.575352]        __lock_acquire+0x374a/0x5210
[  132.575353]        lock_acquire+0x1b9/0x920
[  132.575353]        _raw_spin_lock_irqsave+0x3c/0x4b
[  132.575354]        down_trylock+0x13/0x70
[  132.575354]        __down_trylock_console_sem+0x33/0xa0
[  132.575355]        console_trylock+0x13/0x60
[  132.575356]        vprintk_emit+0xec/0x370
[  132.575356]        printk+0x9c/0xc3
[  132.575357]        lapic_timer_set_oneshot+0x4e/0x60
[  132.575357]        clockevents_switch_state+0x1e1/0x360
[  132.575358]        tick_program_event+0xae/0xc0
[  132.575358]        hrtimer_start_range_ns+0x4b6/0xaa0
[  132.575359]        __tick_nohz_idle_restart_tick+0x2a9/0x380
[  132.575359]        tick_nohz_idle_exit+0x149/0x190
[  132.575360]        do_idle+0x2b8/0x530
[  132.575360]        cpu_startup_entry+0x19/0x20
[  132.575361]        start_secondary+0x2ee/0x3e0
[  132.575361]        secondary_startup_64+0xa4/0xb0

[  132.575362] other info that might help us debug this:

[  132.575363] Chain exists of:
[  132.575364]   (console_sem).lock --> &rt_b->rt_runtime_lock --> hrtimer_bases.lock

[  132.575367]  Possible unsafe locking scenario:

[  132.575368]        CPU0                    CPU1
[  132.575368]        ----                    ----
[  132.575368]   lock(hrtimer_bases.lock);
[  132.575370]                                lock(&rt_b->rt_runtime_lock);
[  132.575371]                                lock(hrtimer_bases.lock);
[  132.575372]   lock((console_sem).lock);

[  132.575374]  *** DEADLOCK ***

[  132.575374] 1 lock held by swapper/7/0:
[  132.575375]  #0: ffff88842e1b9958 (hrtimer_bases.lock){-.-.}-{2:2}, at: lock_hrtimer_base+0x71/0x120

[  132.575377] stack backtrace:
[  132.575378] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 5.6.0-for-upstream-dbg-2020-04-03_10-44-43-70 #1
[  132.575379] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
[  132.575380] Call Trace:
[  132.575380]  dump_stack+0xb7/0x10b
[  132.575381]  check_noncircular+0x37f/0x460
[  132.575381]  ? arch_stack_walk+0x7c/0xd0
[  132.575382]  ? print_circular_bug+0x4e0/0x4e0
[  132.575382]  ? mark_lock+0x1a4/0xb60
[  132.575383]  ? __lock_acquire+0x374a/0x5210
[  132.575383]  __lock_acquire+0x374a/0x5210
[  132.575384]  ? register_lock_class+0x17e0/0x17e0
[  132.575384]  ? register_lock_class+0x17e0/0x17e0
[  132.575385]  lock_acquire+0x1b9/0x920
[  132.575385]  ? down_trylock+0x13/0x70
[  132.575386]  ? check_flags.part.29+0x450/0x450
[  132.575386]  ? lock_downgrade+0x760/0x760
[  132.575387]  ? vprintk_emit+0xec/0x370
[  132.575387]  _raw_spin_lock_irqsave+0x3c/0x4b
[  132.575388]  ? down_trylock+0x13/0x70
[  132.575388]  down_trylock+0x13/0x70
[  132.575389]  __down_trylock_console_sem+0x33/0xa0
[  132.575389]  console_trylock+0x13/0x60
[  132.575390]  vprintk_emit+0xec/0x370
[  132.575390]  printk+0x9c/0xc3
[  132.575391]  ? kmsg_dump_rewind_nolock+0xd9/0xd9
[  132.575391]  lapic_timer_set_oneshot+0x4e/0x60
[  132.575392]  clockevents_switch_state+0x1e1/0x360
[  132.575392]  ? enqueue_hrtimer+0x116/0x310
[  132.575393]  tick_program_event+0xae/0xc0
[  132.575393]  hrtimer_start_range_ns+0x4b6/0xaa0
[  132.575394]  ? _raw_spin_unlock_irqrestore+0x49/0x50
[  132.575394]  ? hrtimer_run_softirq+0x210/0x210
[  132.575395]  ? rcu_read_lock_bh_held+0xe0/0xe0
[  132.575395]  __tick_nohz_idle_restart_tick+0x2a9/0x380
[  132.575396]  tick_nohz_idle_exit+0x149/0x190
[  132.575396]  do_idle+0x2b8/0x530
[  132.575397]  ? arch_cpu_idle_exit+0x40/0x40
[  132.575397]  ? _raw_spin_unlock_irqrestore+0x2d/0x50
[  132.575398]  cpu_startup_entry+0x19/0x20
[  132.575398]  start_secondary+0x2ee/0x3e0
[  132.575399]  ? set_cpu_sibling_map+0x2f70/0x2f70
[  132.575400]  secondary_startup_64+0xa4/0xb0

[-- Attachment #3: config.gz --]
[-- Type: application/gzip, Size: 41017 bytes --]

  reply index

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-07 17:09 Leon Romanovsky
2020-04-14  5:48 ` Leon Romanovsky
2020-04-14  6:24   ` Ingo Molnar
2020-04-14  7:05     ` Leon Romanovsky
2020-04-23  7:13       ` Leon Romanovsky
2020-04-27 15:35       ` Thomas Gleixner
2020-04-27 15:49         ` Leon Romanovsky
2020-04-27 11:09     ` Thomas Gleixner
2020-04-27 11:32       ` Leon Romanovsky
2020-04-27 12:59         ` Thomas Gleixner
2020-04-27 13:41           ` Leon Romanovsky [this message]
2020-04-27 15:31             ` Thomas Gleixner
2020-04-27 15:54               ` Leon Romanovsky
2020-05-01 18:22               ` [tip: x86/urgent] x86/apic: Move TSC deadline timer debug printk tip-bot2 for Thomas Gleixner

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