Hi! we're using Xen on Advantech ARK-2250 Embedded Box PC: https://www.elmark.com.pl/web/uploaded/karty_produktow/advantech/ark-2250l/ark-2250l_instrukcja-uzytkownika.pdf After upgrading to Xen 4.12.0 from 4.11.0 we now have to utilize iommu=no-igfx workaround as per: https://xenbits.xen.org/docs/unstable/misc/xen-command-line.html#iommu Without the workaround the screen appears to be garbled with colored static noise and the following message keeps showing up: (XEN) printk: 26235 messages suppressed. (XEN) [VT-D]DMAR:[DMA Read] Request device [0000:00:02.0] fault addr 8e43c000, iommu reg = ffff82c00021d000 (XEN) printk: 26303 messages suppressed. (XEN) [VT-D]DMAR:[DMA Read] Request device [0000:00:02.0] fault addr 8e2c6000, iommu reg = ffff82c00021d000 Once iommu=no-igfx is applied the box can boot fine. At the end of this email, you can see a full log of the box booting all the way into Dom0 with iommu=no-igfx applied. I am also attaching similar log without no-igfx Please let me know if you need any more information to help us diagnose this. Thanks, Roman. 0x0000:0x00:0x02.0x0: ROM: 0x10000 bytes at 0x8968d018 0x0000:0x02:0x00.0x0: ROM: 0x10000 bytes at 0x89640018 0x0000:0x00:0x1f.0x6: ROM: 0x10c00 bytes at 0x8962f018 Xen 4.12.0 (XEN) Xen version 4.12.0 (@) (gcc (Alpine 6.4.0) 6.4.0) debug=n Mon Jun 17 18:50:07 UTC 2019 (XEN) Latest ChangeSet: (XEN) Bootloader: GRUB 2.03 (XEN) Command line: iommu=no-igfx com1=115200,8n1 console=com1,vga dom0_mem=1024M,max:1024M dom0_max_vcpus=1 dom0_vcpus_pin smt=false (XEN) Xen image load base address: 0x88600000 (XEN) Video information: (XEN) VGA is graphics mode 1680x1050, 32 bpp (XEN) Disc information: (XEN) Found 0 MBR signatures (XEN) Found 1 EDD information structures (XEN) EFI RAM map: (XEN) 0000000000000000 - 0000000000058000 (usable) (XEN) 0000000000058000 - 0000000000059000 (reserved) (XEN) 0000000000059000 - 000000000009f000 (usable) (XEN) 000000000009f000 - 00000000000a0000 (reserved) (XEN) 0000000000100000 - 000000008648a000 (usable) (XEN) 000000008648a000 - 000000008648b000 (ACPI NVS) (XEN) 000000008648b000 - 00000000864b5000 (reserved) (XEN) 00000000864b5000 - 000000008c224000 (usable) (XEN) 000000008c224000 - 000000008c528000 (reserved) (XEN) 000000008c528000 - 000000008c736000 (usable) (XEN) 000000008c736000 - 000000008cea7000 (ACPI NVS) (XEN) 000000008cea7000 - 000000008d2ff000 (reserved) (XEN) 000000008d2ff000 - 000000008d300000 (usable) (XEN) 000000008d300000 - 000000008d400000 (reserved) (XEN) 00000000e0000000 - 00000000f0000000 (reserved) (XEN) 00000000fe000000 - 00000000fe011000 (reserved) (XEN) 00000000fec00000 - 00000000fec01000 (reserved) (XEN) 00000000fee00000 - 00000000fee01000 (reserved) (XEN) 00000000ff000000 - 0000000100000000 (reserved) (XEN) 0000000100000000 - 000000016e000000 (usable) (XEN) ACPI: RSDP 8CE49000, 0024 (r2 ALASKA) (XEN) ACPI: XSDT 8CE490A8, 00CC (r1 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: FACP 8CE6C370, 010C (r5 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: DSDT 8CE49208, 23167 (r2 ALASKA A M I 1072009 INTL 20120913) (XEN) ACPI: FACS 8CE8EF80, 0040 (XEN) ACPI: APIC 8CE6C480, 0084 (r3 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: FPDT 8CE6C508, 0044 (r1 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: FIDT 8CE6C550, 009C (r1 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: MCFG 8CE6C5F0, 003C (r1 ALASKA A M I 1072009 MSFT 97) (XEN) ACPI: HPET 8CE6C630, 0038 (r1 ALASKA A M I 1072009 AMI. 5000B) (XEN) ACPI: LPIT 8CE6C668, 0094 (r1 INTEL SKL-ULT 0 MSFT 5F) (XEN) ACPI: SSDT 8CE6C700, 0248 (r2 INTEL sensrhub 0 INTL 20120913) (XEN) ACPI: SSDT 8CE6C948, 2BAE (r2 INTEL PtidDevc 1000 INTL 20120913) (XEN) ACPI: SSDT 8CE6F4F8, 0BE3 (r2 INTEL Ther_Rvp 1000 INTL 20120913) (XEN) ACPI: SSDT 8CE700E0, 04A3 (r2 INTEL zpodd 1000 INTL 20120913) (XEN) ACPI: DBGP 8CE70588, 0034 (r1 INTEL 0 MSFT 5F) (XEN) ACPI: DBG2 8CE705C0, 0054 (r0 INTEL 0 MSFT 5F) (XEN) ACPI: SSDT 8CE70618, 06E9 (r2 INTEL xh_rvp07 0 INTL 20120913) (XEN) ACPI: SSDT 8CE70D08, 547E (r2 SaSsdt SaSsdt 3000 INTL 20120913) (XEN) ACPI: UEFI 8CE76188, 0042 (r1 0 0) (XEN) ACPI: SSDT 8CE761D0, 0E73 (r2 CpuRef CpuSsdt 3000 INTL 20120913) (XEN) ACPI: BGRT 8CE77048, 0038 (r1 ALASKA A M I 1072009 AMI 10013) (XEN) ACPI: DMAR 8CE77080, 00A8 (r1 INTEL SKL 1 INTL 1) (XEN) ACPI: TPM2 8CE77128, 0034 (r3 Tpm2Tabl 1 AMI 0) (XEN) ACPI: ASF! 8CE77160, 00A5 (r32 INTEL HCG 1 TFSM F4240) (XEN) System RAM: 4003MB (4099736kB) (XEN) Domain heap initialised (XEN) ACPI: 32/64X FACS address mismatch in FADT - 8ce8ef80/0000000000000000, using 32 (XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs (XEN) [VT-D] RMRR address range 8d800000..8fffffff not in reserved memory; need "iommu_inclusive_mapping=1"? (XEN) Switched to APIC driver x2apic_cluster. (XEN) xstate: size: 0x440 and states: 0x1f (XEN) Speculative mitigation facilities: (XEN) Hardware features: (XEN) Compiled-in support: SHADOW_PAGING (XEN) Xen settings: BTI-Thunk N/A, SPEC_CTRL: No, Other: (XEN) L1TF: believed vulnerable, maxphysaddr L1D 46, CPUID 39, Safe address 8000000000 (XEN) Support for HVM VMs: RSB EAGER_FPU (XEN) Support for PV VMs: RSB EAGER_FPU (XEN) XPTI (64-bit PV only): Dom0 enabled, DomU enabled (with PCID) (XEN) PV L1TF shadowing: Dom0 disabled, DomU enabled (XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2) (XEN) Initializing Credit2 scheduler (XEN) Platform timer is 23.999MHz HPET (XEN) Detected 2496.011 MHz processor. (XEN) Initing memory sharing. (XEN) Intel VT-d iommu 0 supported page sizes: 4kB, 2MB, 1GB. (XEN) Intel VT-d iommu 1 supported page sizes: 4kB, 2MB, 1GB. (XEN) Intel VT-d Snoop Control not enabled. (XEN) Intel VT-d Dom0 DMA Passthrough not enabled. (XEN) Intel VT-d Queued Invalidation enabled. (XEN) Intel VT-d Interrupt Remapping enabled. (XEN) Intel VT-d Posted Interrupt not enabled. (XEN) Intel VT-d Shared EPT tables enabled. (XEN) I/O virtualisation enabled (XEN) - Dom0 mode: Relaxed (XEN) Interrupt remapping enabled (XEN) Enabled directed EOI with ioapic_ack_old on! (XEN) ENABLING IO-APIC IRQs (XEN) -> Using old ACK method (XEN) TSC_DEADLINE disabled due to Errata; please update microcode to version 0xb2 (or later) (XEN) Allocated console ring of 16 KiB. (XEN) mwait-idle: max C-state count of 8 reached (XEN) VMX: Supported advanced features: (XEN) - APIC MMIO access virtualisation (XEN) - APIC TPR shadow (XEN) - Extended Page Tables (EPT) (XEN) - Virtual-Processor Identifiers (VPID) (XEN) - Virtual NMI (XEN) - MSR direct-access bitmap (XEN) - Unrestricted Guest (XEN) - VMCS shadowing (XEN) - VM Functions (XEN) - Virtualisation Exceptions (XEN) - Page Modification Logging (XEN) HVM: ASIDs enabled. (XEN) HVM: VMX enabled (XEN) HVM: Hardware Assisted Paging (HAP) detected (XEN) HVM: HAP page sizes: 4kB, 2MB, 1GB (XEN) mwait-idle: max C-state count of 8 reached (XEN) mwait-idle: max C-state count of 8 reached (XEN) mwait-idle: max C-state count of 8 reached (XEN) Brought up 2 CPUs (XEN) Dom0 has maximum 312 PIRQs (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x2a2c000 (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 0000000164000000->0000000168000000 (245760 pages to be allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: ffffffff81000000->ffffffff82a2c000 (XEN) Init. ramdisk: 0000000000000000->0000000000000000 (XEN) Phys-Mach map: 0000008000000000->0000008000200000 (XEN) Start info: ffffffff82a2c000->ffffffff82a2c4b4 (XEN) Xenstore ring: 0000000000000000->0000000000000000 (XEN) Console ring: 0000000000000000->0000000000000000 (XEN) Page tables: ffffffff82a2d000->ffffffff82a46000 (XEN) Boot stack: ffffffff82a46000->ffffffff82a47000 (XEN) TOTAL: ffffffff80000000->ffffffff82c00000 (XEN) ENTRY ADDRESS: ffffffff826aa180 (XEN) Dom0 has maximum 1 VCPUs (XEN) Bogus DMIBAR 0xfed18001 on 0000:00:00.0 (XEN) Initial low memory virq threshold set at 0x4000 pages. (XEN) Scrubbing Free RAM in background (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input to DOM0 (type 'CTRL-a' three times to switch input) (XEN) Freed 480kB init memory mapping kernel into physical memory about to get started... [ 0.000000] Linux version 4.19.5-linuxkit (root@48efbd0309a6) (gcc version 6.3.0 (Alpine 6.3.0)) #1 SMP Mon Jun 17 17:43:29 UTC 2019 [ 0.000000] Command line: console=hvc0 earlyprintk=xen rootdelay=3 root=PARTUUID=61ff5ba4-aea3-4c21-a11c-b899a6a88def text [ 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: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] Released 0 page(s) [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] Xen: [mem 0x0000000000000000-0x0000000000057fff] usable [ 0.000000] Xen: [mem 0x0000000000058000-0x0000000000058fff] reserved [ 0.000000] Xen: [mem 0x0000000000059000-0x000000000009efff] usable [ 0.000000] Xen: [mem 0x000000000009f000-0x00000000000fffff] reserved [ 0.000000] Xen: [mem 0x0000000000100000-0x0000000040061fff] usable [ 0.000000] Xen: [mem 0x0000000040062000-0x0000000086489fff] unusable [ 0.000000] Xen: [mem 0x000000008648a000-0x000000008648afff] ACPI NVS [ 0.000000] Xen: [mem 0x000000008648b000-0x00000000864b4fff] reserved [ 0.000000] Xen: [mem 0x00000000864b5000-0x000000008c223fff] unusable [ 0.000000] Xen: [mem 0x000000008c224000-0x000000008c527fff] reserved [ 0.000000] Xen: [mem 0x000000008c528000-0x000000008c735fff] unusable [ 0.000000] Xen: [mem 0x000000008c736000-0x000000008cea6fff] ACPI NVS [ 0.000000] Xen: [mem 0x000000008cea7000-0x000000008d2fefff] reserved [ 0.000000] Xen: [mem 0x000000008d2ff000-0x000000008d2fffff] unusable [ 0.000000] Xen: [mem 0x000000008d300000-0x000000008d3fffff] reserved [ 0.000000] Xen: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] Xen: [mem 0x00000000fe000000-0x00000000fe010fff] reserved [ 0.000000] Xen: [mem 0x00000000fec00000-0x00000000fec00fff] reserved [ 0.000000] Xen: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] Xen: [mem 0x00000000fee00000-0x00000000feefffff] reserved [ 0.000000] Xen: [mem 0x00000000ff000000-0x00000000ffffffff] reserved [ 0.000000] Xen: [mem 0x0000000100000000-0x000000016dffffff] unusable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] efi: EFI v2.40 by American Megatrends [ 0.000000] efi: ESRT=0x8d29c098 ACPI=0x8ce49000 ACPI 2.0=0x8ce49000 SMBIOS=0xf05e0 SMBIOS 3.0=0xf0600 MPS=0xfc9c0 [ 0.000000] SMBIOS 3.0.0 present. [ 0.000000] DMI: /, BIOS 5.11 06/12/2017 [ 0.000000] Hypervisor detected: Xen PV [ 0.000689] tsc: Detected 2496.010 MHz processor [ 0.010540] last_pfn = 0x40062 max_arch_pfn = 0x400000000 [ 0.010541] Disabled [ 0.010543] x86/PAT: MTRRs disabled, skipping PAT initialization too. [ 0.010546] x86/PAT: Configuration [0-7]: WB WT UC- UC WC WP UC UC [ 0.010576] Kernel/User page tables isolation: disabled on XEN PV. [ 0.176019] Secure boot disabled [ 0.176033] ACPI: Early table checksum verification disabled [ 0.176039] ACPI: RSDP 0x000000008CE49000 000024 (v02 ALASKA) [ 0.176048] ACPI: XSDT 0x000000008CE490A8 0000CC (v01 ALASKA A M I 01072009 AMI 00010013) [ 0.176078] ACPI: FACP 0x000000008CE6C370 00010C (v05 ALASKA A M I 01072009 AMI 00010013) [ 0.176134] ACPI: DSDT 0x000000008CE49208 023167 (v02 ALASKA A M I 01072009 INTL 20120913) [ 0.176145] ACPI: FACS 0x000000008CE8EF80 000040 [ 0.176157] ACPI: APIC 0x000000008CE6C480 000084 (v03 ALASKA A M I 01072009 AMI 00010013) [ 0.176168] ACPI: FPDT 0x000000008CE6C508 000044 (v01 ALASKA A M I 01072009 AMI 00010013) [ 0.176180] ACPI: FIDT 0x000000008CE6C550 00009C (v01 ALASKA A M I 01072009 AMI 00010013) [ 0.176191] ACPI: MCFG 0x000000008CE6C5F0 00003C (v01 ALASKA A M I 01072009 MSFT 00000097) [ 0.176203] ACPI: HPET 0x000000008CE6C630 000038 (v01 ALASKA A M I 01072009 AMI. 0005000B) [ 0.176214] ACPI: LPIT 0x000000008CE6C668 000094 (v01 INTEL SKL-ULT 00000000 MSFT 0000005F) [ 0.176226] ACPI: SSDT 0x000000008CE6C700 000248 (v02 INTEL sensrhub 00000000 INTL 20120913) [ 0.176245] ACPI: SSDT 0x000000008CE6C948 002BAE (v02 INTEL PtidDevc 00001000 INTL 20120913) [ 0.176257] ACPI: SSDT 0x000000008CE6F4F8 000BE3 (v02 INTEL Ther_Rvp 00001000 INTL 20120913) [ 0.176268] ACPI: SSDT 0x000000008CE700E0 0004A3 (v02 INTEL zpodd 00001000 INTL 20120913) [ 0.176280] ACPI: DBGP 0x000000008CE70588 000034 (v01 INTEL 00000000 MSFT 0000005F) [ 0.176291] ACPI: DBG2 0x000000008CE705C0 000054 (v00 INTEL 00000000 MSFT 0000005F) [ 0.176303] ACPI: SSDT 0x000000008CE70618 0006E9 (v02 INTEL xh_rvp07 00000000 INTL 20120913) [ 0.176315] ACPI: SSDT 0x000000008CE70D08 00547E (v02 SaSsdt SaSsdt 00003000 INTL 20120913) [ 0.176327] ACPI: UEFI 0x000000008CE76188 000042 (v01 00000000 00000000) [ 0.176338] ACPI: SSDT 0x000000008CE761D0 000E73 (v02 CpuRef CpuSsdt 00003000 INTL 20120913) [ 0.176350] ACPI: BGRT 0x000000008CE77048 000038 (v01 ALASKA A M I 01072009 AMI 00010013) [ 0.176362] ACPI: RMAD 0x000000008CE77080 0000A8 (v01 INTEL SKL 00000001 INTL 00000001) [ 0.176374] ACPI: TPM2 0x000000008CE77128 000034 (v03 Tpm2Tabl 00000001 AMI 00000000) [ 0.176385] ACPI: ASF! 0x000000008CE77160 0000A5 (v32 INTEL HCG 00000001 TFSM 000F4240) [ 0.176416] Setting APIC routing to Xen PV. [ 0.179941] Zone ranges: [ 0.179943] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.179945] DMA32 [mem 0x0000000001000000-0x0000000040061fff] [ 0.179947] Normal empty [ 0.179948] Movable zone start for each node [ 0.179949] Early memory node ranges [ 0.179951] node 0: [mem 0x0000000000001000-0x0000000000057fff] [ 0.179952] node 0: [mem 0x0000000000059000-0x000000000009efff] [ 0.179954] node 0: [mem 0x0000000000100000-0x0000000040061fff] [ 0.180528] Reserved but unavailable: 32769 pages [ 0.180530] Initmem setup node 0 [mem 0x0000000000001000-0x0000000040061fff] [ 0.185470] p2m virtual area at (____ptrval____), size is 40000000 [ 0.285486] Remapped 98 page(s) [ 0.285528] Reserving Intel graphics memory at [mem 0x8e000000-0x8fffffff] [ 0.285848] ACPI: PM-Timer IO Port: 0x1808 [ 0.285881] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) [ 0.285883] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) [ 0.285885] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) [ 0.285887] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1]) [ 0.285929] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.285938] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.285941] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.285954] Using ACPI (MADT) for SMP configuration information [ 0.285958] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.285980] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.286001] [mem 0x90000000-0xdfffffff] available for PCI devices [ 0.286005] Booting paravirtualized kernel on Xen [ 0.286006] Xen version: 4.12.0 (preserve-AD) [ 0.286009] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.400398] random: get_random_bytes called from start_kernel+0x92/0x4be with crng_init=0 [ 0.400407] setup_percpu: NR_CPUS:128 nr_cpumask_bits:128 nr_cpu_ids:4 nr_node_ids:1 [ 0.400651] percpu: Embedded 45 pages/cpu @(____ptrval____) s143768 r8192 d32360 u524288 [ 0.400710] Built 1 zonelists, mobility grouping on. Total pages: 258024 [ 0.400722] Kernel command line: console=hvc0 earlyprintk=xen rootdelay=3 root=PARTUUID=61ff5ba4-aea3-4c21-a11c-b899a6a88def text [ 0.400935] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.400976] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes) [ 0.401125] x2apic disabled [ 0.430609] software IO TLB: mapped [mem 0x3a600000-0x3e600000] (64MB) [ 0.441378] Memory: 930940K/1048572K available (12300K kernel code, 1595K rwdata, 3068K rodata, 1584K init, 1952K bss, 117632K reserved, 0K cma-reserved) [ 0.441440] ftrace: allocating 43497 entries in 170 pages [ 0.458530] rcu: Hierarchical RCU implementation. [ 0.458533] rcu: RCU restricting CPUs from NR_CPUS=128 to nr_cpu_ids=1. [ 0.458534] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.461631] Using NULL legacy PIC [ 0.461633] NR_IRQS: 8448, nr_irqs: 256, preallocated irqs: 0 [ 0.461649] xen:events: Using FIFO-based ABI [ 0.461818] Console: colour dummy device 80x25 [ 0.461995] console [tty0] enabled [ 0.462487] console [hvc0] enabled [ 0.462494] ACPI: Core revision 20180810 [ 0.477623] ACPI BIOS Warning (bug): Incorrect checksum in table [BGRT] - 0x99, should be 0xAF (20180810/tbprint-177) [ 0.477695] clocksource: xen: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.477716] installing Xen timer for CPU 0 [ 0.477801] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x23fa80a809f, max_idle_ns: 440795273818 ns [ 0.477865] Calibrating delay loop (skipped), value calculated using timer frequency.. 4992.02 BogoMIPS (lpj=24960100) [ 0.477874] pid_max: default: 32768 minimum: 301 [ 0.477951] Security Framework initialized [ 0.477956] Yama: becoming mindful. [ 0.477981] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes) [ 0.477990] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes) [ 0.478256] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.478262] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.478268] Spectre V2 : Vulnerable: Minimal generic ASM retpoline [ 0.478273] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.478279] Speculative Store Bypass: Vulnerable [ 0.527925] Freeing SMP alternatives memory: 24K [ 0.529303] VPMU disabled by hypervisor. [ 0.529471] Performance Events: unsupported p6 CPU model 78 no PMU driver, software events only. [ 0.529545] rcu: Hierarchical SRCU implementation. [ 0.529706] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.529768] smp: Bringing up secondary CPUs ... [ 0.529773] smp: Brought up 1 node, 1 CPU [ 0.529777] smpboot: Max logical packages: 1 [ 0.529942] devtmpfs: initialized [ 0.529996] x86/mm: Memory block size: 128MB [ 0.530398] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.530409] futex hash table entries: 256 (order: 2, 16384 bytes) [ 0.530623] NET: Registered protocol family 16 [ 0.530644] xen:grant_table: Grant tables using version 1 layout [ 0.530659] Grant table initialized [ 0.530809] audit: initializing netlink subsys (disabled) [ 0.530908] audit: type=2000 audit(1563563921.812:1): state=initialized audit_enabled=0 res=1 [ 0.531069] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it [ 0.531077] ACPI: bus type PCI registered [ 0.531203] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.531212] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820 [ 0.585062] PCI: Using configuration type 1 for base access [ 0.587021] cryptd: max_cpu_qlen set to 1000 [ 0.587137] ACPI: Added _OSI(Module Device) [ 0.587142] ACPI: Added _OSI(Processor Device) [ 0.587147] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.587151] ACPI: Added _OSI(Processor Aggregator Device) [ 0.587156] ACPI: Added _OSI(Linux-Dell-Video) [ 0.587160] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.634267] ACPI: 8 ACPI AML tables successfully acquired and loaded [ 0.640637] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored [ 0.645652] ACPI: Dynamic OEM Table Load: [ 0.645663] ACPI: SSDT 0xFFFF88803A316000 00037F (v02 PmRef Cpu0Cst 00003001 INTL 20120913) [ 0.646212] ACPI: Dynamic OEM Table Load: [ 0.646221] ACPI: SSDT 0xFFFF888039811800 00063F (v02 PmRef Cpu0Ist 00003000 INTL 20120913) [ 0.648440] ACPI: EC: EC started [ 0.648446] ACPI: EC: interrupt blocked [ 0.648501] ACPI: \_SB_.PCI0.LPCB.EC0_: Used as first EC [ 0.648507] ACPI: \_SB_.PCI0.LPCB.EC0_: GPE=0x50, EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.648513] ACPI: \_SB_.PCI0.LPCB.EC0_: Used as boot DSDT EC to handle transactions [ 0.648519] ACPI: Interpreter enabled [ 0.648531] ACPI: (supports S0 S5) [ 0.648535] ACPI: Using IOAPIC for interrupt routing [ 0.648582] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.649911] ACPI: Enabled 7 GPEs in block 00 to 7F [ 0.653085] ACPI: Power Resource [PG00] (on) [ 0.653513] ACPI: Power Resource [PG01] (on) [ 0.653972] ACPI: Power Resource [PG02] (on) [ 0.660615] ACPI: Power Resource [WRST] (on) [ 0.661101] ACPI: Power Resource [WRST] (on) [ 0.661544] ACPI: Power Resource [WRST] (on) [ 0.661975] ACPI: Power Resource [WRST] (on) [ 0.662467] ACPI: Power Resource [WRST] (on) [ 0.662901] ACPI: Power Resource [WRST] (on) [ 0.663328] ACPI: Power Resource [WRST] (on) [ 0.663818] ACPI: Power Resource [WRST] (on) [ 0.664249] ACPI: Power Resource [WRST] (on) [ 0.664690] ACPI: Power Resource [WRST] (on) [ 0.665203] ACPI: Power Resource [WRST] (on) [ 0.665634] ACPI: Power Resource [WRST] (on) [ 0.666070] ACPI: Power Resource [WRST] (on) [ 0.666553] ACPI: Power Resource [WRST] (on) [ 0.666979] ACPI: Power Resource [WRST] (on) [ 0.667406] ACPI: Power Resource [WRST] (on) [ 0.667897] ACPI: Power Resource [WRST] (on) [ 0.668338] ACPI: Power Resource [WRST] (on) [ 0.668780] ACPI: Power Resource [WRST] (on) [ 0.669265] ACPI: Power Resource [WRST] (on) [ 0.684236] ACPI: Power Resource [FN00] (off) [ 0.684400] ACPI: Power Resource [FN01] (off) [ 0.684510] ACPI: Power Resource [FN02] (off) [ 0.684616] ACPI: Power Resource [FN03] (off) [ 0.684730] ACPI: Power Resource [FN04] (off) [ 0.686266] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-fe]) [ 0.686279] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.689484] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug SHPCHotplug PME PCIeCapability LTR] [ 0.689492] acpi PNP0A08:00: FADT indicates ASPM is unsupported, using BIOS configuration [ 0.690190] PCI host bridge to bus 0000:00 [ 0.690197] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.690203] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.690208] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.690215] pci_bus 0000:00: root bus resource [mem 0x90000000-0xdfffffff window] [ 0.690221] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.690227] pci_bus 0000:00: root bus resource [bus 00-fe] (XEN) Bogus DMIBAR 0xfed18001 on 0000:00:00.0 [ 0.691006] pci 0000:00:02.0: BAR 2: assigned to efifb [ 0.694276] pci 0000:00:1c.0: Intel SPT PCH root port ACS workaround enabled [ 0.694833] pci 0000:00:1c.5: Intel SPT PCH root port ACS workaround enabled [ 0.698688] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.699418] pci 0000:02:00.0: 2.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s x1 link at 0000:00:1c.5 (capable of 7.876 Gb/s with 8 GT/s x1 link) [ 0.699724] pci 0000:00:1c.5: PCI bridge to [bus 02] [ 0.704143] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.704232] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15) [ 0.704322] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.704418] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.704507] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.704592] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.704680] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.704768] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.705534] ACPI: EC: interrupt unblocked [ 0.705573] ACPI: EC: event unblocked [ 0.705598] ACPI: \_SB_.PCI0.LPCB.EC0_: GPE=0x50, EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.705605] ACPI: \_SB_.PCI0.LPCB.EC0_: Used as boot DSDT EC to handle transactions and events [ 0.705655] xen:balloon: Initialising balloon driver [ 0.705801] SCSI subsystem initialized [ 0.705887] ACPI: bus type USB registered [ 0.705909] usbcore: registered new interface driver usbfs [ 0.705920] usbcore: registered new interface driver hub [ 0.705940] usbcore: registered new device driver usb [ 0.705956] pps_core: LinuxPPS API ver. 1 registered [ 0.705961] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.705969] PTP clock support registered [ 0.706008] Registered efivars operations [ 0.710766] PCI: Using ACPI for IRQ routing [ 0.748524] NetLabel: Initializing [ 0.748529] NetLabel: domain hash size = 128 [ 0.748533] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.748553] NetLabel: unlabeled traffic allowed by default [ 0.748718] clocksource: Switched to clocksource tsc-early [ 0.765269] VFS: Disk quotas dquot_6.6.0 [ 0.765291] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.765339] FS-Cache: Loaded [ 0.765343] hugetlbfs: disabling because there are no supported hugepage sizes [ 0.765401] CacheFiles: Loaded [ 0.765415] pnp: PnP ACPI init [ 0.765704] system 00:00: [io 0x0a00-0x0a2f] has been reserved [ 0.766250] Already setup the GSI :4 [ 0.768279] system 00:05: [io 0x0200-0x027f] has been reserved [ 0.769079] system 00:06: [io 0x029c-0x029d] has been reserved [ 0.769352] system 00:07: [io 0x0680-0x069f] has been reserved [ 0.769359] system 00:07: [io 0xffff] has been reserved [ 0.769364] system 00:07: [io 0xffff] has been reserved [ 0.769369] system 00:07: [io 0xffff] has been reserved [ 0.769374] system 00:07: [io 0x1800-0x18fe] has been reserved [ 0.769380] system 00:07: [io 0x164e-0x164f] has been reserved [ 0.769579] system 00:09: [io 0x1854-0x1857] has been reserved [ 0.769879] system 00:0a: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.769886] system 00:0a: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.769892] system 00:0a: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.769898] system 00:0a: [mem 0xe0000000-0xefffffff] has been reserved [ 0.769904] system 00:0a: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.769909] system 00:0a: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.769915] system 00:0a: [mem 0xfed45000-0xfed8ffff] has been reserved [ 0.769921] system 00:0a: [mem 0xff000000-0xffffffff] has been reserved [ 0.769927] system 00:0a: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.769933] system 00:0a: [mem 0xdffe0000-0xdfffffff] has been reserved [ 0.769988] system 00:0b: [mem 0xfd000000-0xfdabffff] has been reserved [ 0.769995] system 00:0b: [mem 0xfdad0000-0xfdadffff] has been reserved [ 0.770001] system 00:0b: [mem 0xfdb00000-0xfdffffff] has been reserved [ 0.7[ 1.491547] Key type encrypted registered [ 1.493473] rtc_cmos 00:08: setting system clock to 2019-07-19 19:18:43 UTC (1563563923) [ 1.494433] Waiting 3 sec before mounting root device... [ 1.700989] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 1.706737] ata1.00: ATA-9: SQF-S25M8-64G-SAC, SAFM02A3, max UDMA/133 [ 1.707867] ata1.00: 125045424 sectors, multi 16: LBA48 NCQ (depth 32), AA [ 1.709118] ata1.00: configured for UDMA/133 [ 1.710321] scsi 0:0:0:0: Direct-Access ATA SQF-S25M8-64G-SA 02A3 PQ: 0 ANSI: 5 [ 1.711647] sd 0:0:0:0: [sda] 125045424 512-byte logical blocks: (64.0 GB/59.6 GiB) [ 1.712791] sd 0:0:0:0: [sda] Write Protect is off [ 1.713976] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 1.715068] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 1.717800] sda: sda1 sda2 sda3 sda4 sda9 [ 1.719269] sd 0:0:0:0: [sda] Attached SCSI disk [ 1.721673] ata2: SATA link down (SStatus 4 SControl 300) [ 1.737879] usb 1-1: new low-speed USB device number 2 using xhci_hcd [ 1.837912] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x23fa80a809f, max_idle_ns: 440795273818 ns [ 1.839077] clocksource: Switched to clocksource tsc [ 1.928802] input: Logitech USB Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:046D:C31C.0001/input/input6 [ 1.997981] hid-generic 0003:046D:C31C.0001: input: USB HID v1.10 Keyboard [Logitech USB Keyboard] on usb-0000:00:14.0-1/input0 [ 2.004853] input: Logitech USB Keyboard Consumer Control as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.1/0003:046D:C31C.0002/input/input7 [ 2.068052] input: Logitech USB Keyboard System Control as /devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.1/0003:046D:C31C.0002/input/input8 [ 2.069388] hid-generic 0003:046D:C31C.0002: input: USB HID v1.10 Device [Logitech USB Keyboard] on usb-0000:00:14.0-1/input1 [ 2.217897] usb 1-7: new full-speed USB device number 3 using xhci_hcd [ 2.399047] random: fast init done [ 4.484487] VFS: Mounted root (squashfs filesystem) readonly on device 8:2. [ 4.487173] Freeing unused kernel image memory: 1584K [ 4.507975] Write protecting the kernel read-only data: 18432k [ 4.516183] Freeing unused kernel image memory: 2020K [ 4.517742] Freeing unused kernel image memory: 1028K [ 4.518785] Run /sbin/init as init process [ 5.129834] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 5.130918] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.132125] Already setup the GSI :16 [ 5.133307] e1000e 0000:00:1f.6: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode [ 5.234464] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): registered PHC clock [ 5.326539] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 00:0b:ab:e4:d0:c5 [ 5.327674] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connection [ 5.330518] e1000e 0000:00:1f.6 eth0: MAC: 12, PHY: 12, PBA No: FFFFFF-0FF [ 5.362049] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.371724] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.372933] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.374112] cfg80211: failed to load regulatory.db [ 5.424847] rtl8723be 0000:01:00.0: enabling device (0000 -> 0003) [ 5.426136] Already setup the GSI :18 [ 5.459064] rtl8723be: Using firmware rtlwifi/rtl8723befw_36.bin [ 5.462917] rtlwifi: rtlwifi: wireless switch is on [ 5.481131] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.4.0-k [ 5.482341] igb: Copyright (c) 2007-2014 Intel Corporation. [ 5.483648] Already setup the GSI :17 [ 5.514869] pps pps0: new PPS source ptp1 [ 5.516458] igb 0000:02:00.0: added PHC on eth1 [ 5.517974] igb 0000:02:00.0: Intel(R) Gigabit Ethernet Network Connection [ 5.519441] igb 0000:02:00.0: eth1: (PCIe:2.5Gb/s:Width x1) 00:0b:ab:e4:d0:c6 [ 5.520701] igb 0000:02:00.0: eth1: PBA No: 000200-000 [ 5.521831] igb 0000:02:00.0: Using MSI-X interrupts. 1 rx queue(s), 1 tx queue(s) ................ .............. ................ ................ ............ ................ .... ......... .... ................ ....... ................ ................ ..... ................ ... . .... ................ ................ ............... ................ Edge Virtualization Engine Take a look around and don't forget to use eve(1). login[518]: root login on 'hvc0' linuxkit-000babe4d0c5:~# [ 6.069552] IPVS: ftp: loaded support on port[0] = 21 [ 6.158121] FAT-fs (sda4): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive! [ 6.163850] FAT-fs (sda4): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 6.222733] IPVS: ftp: loaded support on port[0] = 21 [ 6.261491] random: crng init done 2019/07/19 19:18:48 Wrote 1000 bytes of entropy, exiting as oneshot [ 8.572992] usbcore: registered new interface driver qcserial [ 8.574283] usbserial: USB Serial support registered for Qualcomm USB modem [ 8.586813] usbcore: registered new interface driver cdc_wdm [ 8.593148] usbcore: registered new interface driver qmi_wwan [ 8.823492] EXT4-fs (sda9): mounting ext3 file system using the ext4 subsystem [ 8.834988] EXT4-fs (sda9): mounted filesystem with ordered data mode. Opts: (null) linuxkit-000babe4d0c5:~# eve enter / # xl info host : linuxkit-000babe4d0c5 release : 4.19.5-linuxkit version : #1 SMP Mon Jun 17 17:43:29 UTC 2019 machine : x86_64 nr_cpus : 2 max_cpu_id : 3 nr_nodes : 1 cores_per_socket : 2 threads_per_core : 1 cpu_mhz : 2496.011 hw_caps : bfebfbff:76faf3ff:2c100800:00000121:0000000f:009c6fbf:00000000:00000100 virt_caps : pv hvm hvm_directio pv_directio total_memory : 4003 free_memory : 2912 sharing_freed_memory : 0 sharing_used_memory : 0 outstanding_claims : 0 free_cpus : 0 xen_major : 4 xen_minor : 12 xen_extra : .0 xen_version : 4.12.0 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_scheduler : credit2 xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : xen_commandline : iommu=no-igfx com1=115200,8n1 console=com1,vga dom0_mem=1024M,max:1024M dom0_max_vcpus=1 dom0_vcpus_pin smt=false cc_compiler : gcc (Alpine 6.4.0) 6.4.0 cc_compile_by : cc_compile_domain : cc_compile_date : Mon Jun 17 18:50:07 UTC 2019 build_id : 00f4459480dee2ae1aab93918bb20f4b9719364b xend_config_format : 4