# vng -v -r arch/x86/boot/bzImage --user root --name vmksft-virtio-dbg,debug-threads=on -o -device virtio-net-pci,netdev=n0,iommu_platform=on,disable-legacy=on,mq=on,vectors=18 -netdev tap,id=n0,ifname=tap2,vhost=on,script=no,downscript=no,queues=8 -device virtio-net-pci,netdev=n1,iommu_platform=on,disable-legacy=on,mq=on,vectors=18 -netdev tap,id=n1,ifname=tap3,vhost=on,script=no,downscript=no,queues=8 --cpus 4 early console in setup code No EFI environment detected. early console in extract_kernel input_data: 0x00000000060872c4 input_len: 0x0000000001871498 output: 0x0000000001000000 output_len: 0x000000000518aef4 kernel_total_size: 0x000000000694c000 needed_size: 0x0000000006a00000 trampoline_32bit: 0x000000000009d000 Physical KASLR using RDRAND RDTSC... Virtual KASLR using RDRAND RDTSC... Decompressing Linux... Parsing ELF... Performing relocations... done. Booting the kernel (entry_offset: 0x0000000004a109f0). [ 0.000000][ T0] Linux version 7.1.0-rc1-virtme (vmksft@netdev-virt.bots.linux.dev) (gcc (GCC) 16.0.1 20260321 (Red Hat 16.0.1-0), GNU ld version 2.46-1.fc44) #1 SMP PREEMPT_DYNAMIC Wed Apr 29 17:02:09 EDT 2026 [ 0.000000][ T0] Command line: virtme_hostname=vmksft-virtio-dbg,debug-threads=on nr_open=2147483584 virtme_link_mods=/srv/vmksft/testing/wt-20/.virtme_mods/lib/modules/0.0.0 virtme_rw_overlay0=/etc virtme_rw_overlay1=/lib virtme_rw_overlay2=/home virtme_rw_overlay3=/opt virtme_rw_overlay4=/srv virtme_rw_overlay5=/usr virtme_rw_overlay6=/var virtme_rw_overlay7=/tmp virtme_console=ttyS0 console=hvc0 earlyprintk=serial,ttyS0,115200 psmouse.proto=exps TERM=dumb virtme_chdir=srv/vmksft/testing/wt-20 rootfstype=virtiofs root=ROOTFS raid=noautodetect ro debug init=/usr/lib/python3.14/site-packages/virtme/guest/bin/virtme-ng-init [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000003fffefff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000003ffff000-0x000000003fffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x0000000040000000-0x00000000feffbfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000ff000000-0x00000000fffbffff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] device reserved [ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] APIC: Static calls initialized [ 0.000000][ T0] DMI: SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] last_pfn = 0x3ffff max_arch_pfn = 0x10000000000 [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000002][ T0] kvm-clock: using sched offset of 374224773 cycles [ 0.001093][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004325][ T0] tsc: Detected 2599.998 MHz processor [ 0.005346][ T0] e820: update [mem 0x00000000-0x00000fff] System RAM ==> device reserved [ 0.006876][ T0] e820: remove [mem 0x000a0000-0x000fffff] System RAM [ 0.008097][ T0] last_pfn = 0x3ffff max_arch_pfn = 0x10000000000 [ 0.009273][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.010929][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014151][ T0] found SMP MP-table at [mem 0x000f5690-0x000f569f] [ 0.015348][ T0] Using GB pages for direct mapping [ 0.016388][ T0] ACPI: Early table checksum verification disabled [ 0.017558][ T0] ACPI: RSDP 0x00000000000F54B0 000024 (v02 BOCHS ) [ 0.018742][ T0] ACPI: XSDT 0x000000003FFFFFCA 000034 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.020440][ T0] ACPI: FACP 0x000000003FFFFE54 00010C (v05 BOCHS BXPC 00000001 BXPC 00000001) [ 0.022140][ T0] ACPI: DSDT 0x000000003FFFF240 000C14 (v02 BOCHS BXPC 00000001 BXPC 00000001) [ 0.023833][ T0] ACPI: APIC 0x000000003FFFFF60 00006A (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.025528][ T0] ACPI: Reserving FACP table memory at [mem 0x3ffffe54-0x3fffff5f] [ 0.026944][ T0] ACPI: Reserving DSDT table memory at [mem 0x3ffff240-0x3ffffe53] [ 0.028367][ T0] ACPI: Reserving APIC table memory at [mem 0x3fffff60-0x3fffffc9] [ 0.030268][ T0] No NUMA configuration found [ 0.031104][ T0] Faking a node at [mem 0x0000000000000000-0x000000003fffefff] [ 0.032463][ T0] NODE_DATA(0) allocated [mem 0x3fff9e00-0x3fffefff] [ 0.104916][ T0] KernelAddressSanitizer initialized (generic) [ 0.106449][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.107732][ T0] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.109213][ T0] IOAPIC[1]: apic_id 1, version 32, address 0xfec10000, GSI 24-47 [ 0.110619][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.111927][ T0] TSC deadline timer available [ 0.112779][ T0] CPU topo: Max. logical packages: 1 [ 0.113753][ T0] CPU topo: Max. logical nodes: 1 [ 0.114729][ T0] CPU topo: Num. nodes per package: 1 [ 0.115704][ T0] CPU topo: Max. logical dies: 1 [ 0.116677][ T0] CPU topo: Max. dies per package: 1 [ 0.117652][ T0] CPU topo: Max. threads per core: 1 [ 0.118627][ T0] CPU topo: Num. cores per package: 4 [ 0.119649][ T0] CPU topo: Num. threads per package: 4 [ 0.120671][ T0] CPU topo: Allowing 4 present CPUs plus 0 hotplug CPUs [ 0.121940][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.123365][ T0] kvm-guest: KVM setup pv remote TLB flush [ 0.124410][ T0] kvm-guest: setup PV sched yield [ 0.125320][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.126834][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.128353][ T0] [gap 0x40000000-0xfeffbfff] available for PCI devices [ 0.129597][ T0] Booting paravirtualized kernel on KVM [ 0.130590][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.149101][ T0] Zone ranges: [ 0.149698][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.150958][ T0] DMA32 [mem 0x0000000001000000-0x000000003fffefff] [ 0.152222][ T0] Normal empty [ 0.152877][ T0] Device empty [ 0.153536][ T0] Movable zone start for each node [ 0.154447][ T0] Early memory node ranges [ 0.155233][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.156509][ T0] node 0: [mem 0x0000000000100000-0x000000003fffefff] [ 0.157785][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffefff] [ 0.159226][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.160449][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.163309][ T0] On node 0, zone DMA32: 1 pages in unavailable ranges [ 0.164558][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.167043][ T0] percpu: Embedded 67 pages/cpu s233744 r8192 d32496 u524288 [ 0.168376][ T0] pcpu-alloc: s233744 r8192 d32496 u524288 alloc=1*2097152 [ 0.169668][ T0] pcpu-alloc: [0] 0 1 2 3 [ 0.170503][ T0] Kernel command line: virtme_hostname=vmksft-virtio-dbg,debug-threads=on nr_open=2147483584 virtme_link_mods=/srv/vmksft/testing/wt-20/.virtme_mods/lib/modules/0.0.0 virtme_rw_overlay0=/etc virtme_rw_overlay1=/lib virtme_rw_overlay2=/home virtme_rw_overlay3=/opt virtme_rw_overlay4=/srv virtme_rw_overlay5=/usr virtme_rw_overlay6=/var virtme_rw_overlay7=/tmp virtme_console=ttyS0 console=hvc0 earlyprintk=serial,ttyS0,115200 psmouse.proto=exps TERM=dumb virtme_chdir=srv/vmksft/testing/wt-20 rootfstype=virtiofs root=ROOTFS raid=noautodetect ro debug init=/usr/lib/python3.14/site-packages/virtme/guest/bin/virtme-ng-init [ 0.180889][ T0] Unknown kernel command line parameters "virtme_hostname=vmksft-virtio-dbg,debug-threads=on nr_open=2147483584 virtme_link_mods=/srv/vmksft/testing/wt-20/.virtme_mods/lib/modules/0.0.0 virtme_rw_overlay0=/etc virtme_rw_overlay1=/lib virtme_rw_overlay2=/home virtme_rw_overlay3=/opt virtme_rw_overlay4=/srv virtme_rw_overlay5=/usr virtme_rw_overlay6=/var virtme_rw_overlay7=/tmp virtme_console=ttyS0 virtme_chdir=srv/vmksft/testing/wt-20", will be passed to user space. [ 0.188764][ T0] random: crng init done [ 0.189523][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.191479][ T0] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.193292][ T0] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.195048][ T0] Fallback order for Node 0: 0 [ 0.195054][ T0] Built 1 zonelists, mobility grouping on. Total pages: 262045 [ 0.197299][ T0] Policy zone: DMA32 [ 0.197990][ T0] mem auto-init: stack:all(zero), heap alloc:off, heap free:off [ 0.199372][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.200751][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.209744][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 0.233577][ T0] ********************************************************** [ 0.234935][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.236270][ T0] ** ** [ 0.237602][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.238933][ T0] ** via the console, logs, and other interfaces. This ** [ 0.240269][ T0] ** might reduce the security of your system. ** [ 0.241599][ T0] ** ** [ 0.242931][ T0] ** If you see this message and you are not debugging ** [ 0.244265][ T0] ** the kernel, report this immediately to your system ** [ 0.245593][ T0] ** administrator! ** [ 0.246920][ T0] ** ** [ 0.248254][ T0] ** Use hash_pointers=always to force this mode off ** [ 0.249584][ T0] ** ** [ 0.250916][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.252250][ T0] ********************************************************** [ 0.253960][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 Poking KASLR using RDRAND RDTSC... [ 0.270548][ T0] ftrace: allocating 46550 entries in 184 pages [ 0.271682][ T0] ftrace: allocated 184 pages with 4 groups [ 0.273065][ T0] Dynamic Preempt: full [ 0.274955][ T0] Running RCU self tests [ 0.275718][ T0] Running RCU synchronous self tests [ 0.276668][ T0] rcu: Preemptible hierarchical RCU implementation. [ 0.277857][ T0] rcu: RCU event tracing is enabled. [ 0.278820][ T0] rcu: RCU lockdep checking is enabled. [ 0.279833][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.281185][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 0.282535][ T0] Trampoline variant of Tasks RCU enabled. [ 0.283594][ T0] Rude variant of Tasks RCU enabled. [ 0.284559][ T0] Tracing variant of Tasks RCU enabled. [ 0.285571][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.287109][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.288673][ T0] Running RCU synchronous self tests [ 0.289636][ T0] RCU Tasks: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.291379][ T0] RCU Tasks Rude: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.336713][ T0] NR_IRQS: 4352, nr_irqs: 848, preallocated irqs: 0 [ 0.338085][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.340177][ T0] Console: colour *CGA 80x25 [ 0.341051][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.342617][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.343504][ T0] ... MAX_LOCK_DEPTH: 48 [ 0.344406][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 0.345338][ T0] ... CLASSHASH_SIZE: 4096 [ 0.346273][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.347221][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.348171][ T0] ... CHAINHASH_SIZE: 32768 [ 0.349119][ T0] memory used by lock dependency info: 6429 kB [ 0.350244][ T0] memory used for stack traces: 16896 kB [ 0.351273][ T0] per task-struct memory footprint: 1920 bytes [ 0.352500][ T0] ACPI: Core revision 20251212 [ 0.353931][ T0] APIC: Switch to symmetric I/O mode setup [ 0.356611][ T0] x2apic enabled [ 0.360798][ T0] APIC: Switched APIC routing to: physical x2apic [ 0.361955][ T0] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 0.363421][ T0] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 0.365230][ T0] kvm-guest: setup PV IPIs [ 0.366177][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x257a3a7b45f, max_idle_ns: 440795312762 ns [ 0.368263][ T0] Calibrating delay loop (skipped) preset value.. 5199.99 BogoMIPS (lpj=2599998) [ 0.369255][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 0.369255][ T0] numa_add_cpu cpu 0 node 0: mask now 0 [ 0.369255][ T0] Last level iTLB entries: 4KB 512, 2MB 255, 4MB 127 [ 0.369255][ T0] Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0 [ 0.369255][ T0] mitigations: Enabled attack vectors: SMT mitigations: off [ 0.369255][ T0] Speculative Store Bypass: Vulnerable [ 0.369255][ T0] Spectre V2 : Vulnerable [ 0.369255][ T0] Speculative Return Stack Overflow: Vulnerable [ 0.369255][ T0] Spectre V1 : Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers [ 0.369255][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.369255][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.369255][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.369255][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 0.369255][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 0.369255][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 0.369255][ T0] x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers' [ 0.369255][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.369255][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 0.369255][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 0.369255][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 0.369255][ T0] x86/fpu: xstate_offset[9]: 2432, xstate_sizes[9]: 8 [ 0.369255][ T0] x86/fpu: Enabled xstate features 0x2e7, context size is 2440 bytes, using 'compacted' format. [ 0.369255][ T0] pid_max: default: 32768 minimum: 301 [ 0.369255][ T0] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes, linear) [ 0.369255][ T0] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes, linear) [ 0.369255][ T0] VFS: Finished mounting rootfs on nullfs [ 0.369255][ T0] Running RCU synchronous self tests [ 0.369255][ T0] Running RCU synchronous self tests [ 0.369255][ T1] smpboot: CPU0: AMD EPYC 9655P 96-Core Processor (family: 0x1a, model: 0x2, stepping: 0x1) [ 0.377338][ T1] Performance Events: Fam17h+ core perfctr, AMD PMU driver. [ 0.378272][ T1] ... version: 2 [ 0.379185][ T1] ... bit width: 48 [ 0.379262][ T1] ... generic counters: 6 [ 0.380173][ T1] ... generic bitmap: 000000000000003f [ 0.380262][ T1] ... fixed-purpose counters: 0 [ 0.381168][ T1] ... fixed-purpose bitmap: 0000000000000000 [ 0.381262][ T1] ... value mask: 0000ffffffffffff [ 0.382262][ T1] ... max period: 00007fffffffffff [ 0.383262][ T1] ... global_ctrl mask: 000000000000003f [ 0.384543][ T1] signal: max sigframe size: 3376 [ 0.386335][ T1] rcu: Hierarchical SRCU implementation. [ 0.387263][ T1] rcu: Max phase no-delay instances is 400. [ 0.396267][ T1] smp: Bringing up secondary CPUs ... [ 0.402515][ T1] smpboot: x86: Booting SMP configuration: [ 0.403272][ T1] .... node #0, CPUs: #1 #2 #3 [ 0.029761][ T0] numa_add_cpu cpu 1 node 0: mask now 0-1 [ 0.029761][ T0] numa_add_cpu cpu 2 node 0: mask now 0-2 [ 0.029761][ T0] numa_add_cpu cpu 3 node 0: mask now 0-3 [ 0.413700][ T1] smp: Brought up 1 node, 4 CPUs [ 0.418157][ T1] smpboot: Total of 4 processors activated (20799.98 BogoMIPS) [ 0.420926][ T1] Memory: 734048K/1048180K available (45278K kernel code, 12463K rwdata, 9376K rodata, 2496K init, 29372K bss, 303520K reserved, 0K cma-reserved) [ 0.422671][ T1] devtmpfs: initialized [ 0.424675][ T1] x86/mm: Memory block size: 128MB [ 0.435365][ T1] Running RCU synchronous self tests [ 0.436375][ T1] Running RCU synchronous self tests [ 0.437724][ T1] Running RCU Tasks wait API self tests [ 0.438360][ T1] Running RCU Tasks Rude wait API self tests [ 0.439283][ T1] Running RCU Tasks Trace wait API self tests [ 0.440466][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.441321][ T1] posixtimers hash table entries: 2048 (order: 6, 147456 bytes, linear) [ 0.442503][ T1] futex hash table entries: 1024 (131072 bytes on 1 NUMA nodes, total 128 KiB, linear). [ 0.444311][ T10] Callback from call_rcu_tasks_trace() invoked. [ 0.445838][ T1] PM: RTC time: 21:05:30, date: 2026-04-29 [ 0.449375][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.453162][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 0.453306][ T1] cpuidle: using governor ladder [ 0.456585][ T1] Freeing SMP alternatives memory: 36K [ 0.459071][ T1] PCI: Fatal: No config space access function found [ 0.459902][ T1] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. [ 0.462726][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 0.463266][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 0.464263][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 0.465262][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 0.470005][ T1] ACPI: Added _OSI(Module Device) [ 0.470267][ T1] ACPI: Added _OSI(Processor Device) [ 0.471215][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 0.516740][ T1] ACPI: 1 ACPI AML tables successfully acquired and loaded [ 0.526898][ T1] ACPI: \_SB_: platform _OSC: OS support mask [002a2e8e] [ 0.532446][ T1] ACPI: Interpreter enabled [ 0.533540][ T1] ACPI: PM: (supports S0 S5) [ 0.534273][ T1] ACPI: Using IOAPIC for interrupt routing [ 0.535562][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.537265][ T1] PCI: Using E820 reservations for host bridge windows [ 0.580373][ T1] ACPI: PCI: Interrupt link L000 configured for IRQ 16 [ 0.582550][ T1] ACPI: PCI: Interrupt link L001 configured for IRQ 17 [ 0.583562][ T1] ACPI: PCI: Interrupt link L002 configured for IRQ 18 [ 0.584554][ T1] ACPI: PCI: Interrupt link L003 configured for IRQ 19 [ 0.585550][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.586658][ T1] acpi PNP0A08:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 0.587266][ T1] acpi PNP0A08:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 0.597695][ T1] acpi PNP0A08:00: ECAM [mem 0xe0000000-0xefffffff] reserved as ACPI motherboard resource [ 0.618875][ T1] acpi PNP0A08:00: ECAM [mem 0xe0000000-0xefffffff] (base 0xe0000000) [ 0.621788][ T1] PCI host bridge to bus 0000:00 [ 0.623732][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xdfffffff window] [ 0.624281][ T1] pci_bus 0000:00: root bus resource [mem 0xc000000000000-0xfffffffffffff window] [ 0.625282][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.626431][ T1] pci 0000:00:00.0: [1b36:0008] type 00 class 0x060000 conventional PCI endpoint [ 0.628995][ T1] pci 0000:00:01.0: [1af4:1041] type 00 class 0x020000 conventional PCI endpoint [ 0.629645][ T1] pci 0000:00:01.0: BAR 1 [mem 0x00000000-0x00000fff] [ 0.630304][ T1] pci 0000:00:01.0: BAR 4 [mem 0x00000000-0x00003fff 64bit pref] [ 0.631274][ T1] pci 0000:00:01.0: ROM [mem 0x00000000-0x0003ffff pref] [ 0.634018][ T1] pci 0000:00:02.0: [1af4:1041] type 00 class 0x020000 conventional PCI endpoint [ 0.634638][ T1] pci 0000:00:02.0: BAR 1 [mem 0x00000000-0x00000fff] [ 0.635303][ T1] pci 0000:00:02.0: BAR 4 [mem 0x00000000-0x00003fff 64bit pref] [ 0.636273][ T1] pci 0000:00:02.0: ROM [mem 0x00000000-0x0003ffff pref] [ 0.641441][ T1] iommu: Default domain type: Translated [ 0.642263][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 0.647283][ T1] SCSI subsystem initialized [ 0.648762][ T1] libata version 3.00 loaded. [ 0.649681][ T42] Callback from call_rcu_tasks() invoked. [ 0.650479][ T1] pps_core: LinuxPPS API ver. 1 registered [ 0.651262][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.652376][ T1] PTP clock support registered [ 0.654691][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 0.659281][ T1] PCI: Using ACPI for IRQ routing [ 0.660177][ T1] PCI: pci_cache_line_size set to 64 bytes [ 0.660326][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 0.661313][ T1] e820: register RAM buffer resource [mem 0x3ffff000-0x3fffffff] [ 0.663008][ T1] vgaarb: loaded [ 0.664061][ T1] clocksource: Switched to clocksource kvm-clock [ 0.667920][ T1] VFS: Disk quotas dquot_6.6.0 [ 0.669013][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.674327][ T1] acpi PNP0C02:00: Reserved [mem 0xe0000000-0xefffffff] [ 0.675930][ T1] pnp: PnP ACPI init [ 0.678897][ T1] pnp: PnP ACPI: found 1 devices [ 0.712054][ T1] NET: Registered PF_INET protocol family [ 0.713406][ T1] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.717604][ T1] tcp_listen_portaddr_hash hash table entries: 512 (order: 4, 36864 bytes, linear) [ 0.719440][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.721105][ T1] TCP established hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.722872][ T1] TCP bind hash table entries: 8192 (order: 9, 1179648 bytes, linear) [ 0.725021][ T1] TCP: Hash tables configured (established 8192 bind 8192) [ 0.726723][ T1] UDP hash table entries: 512 (order: 5, 131072 bytes, linear) [ 0.728848][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 0.730306][ T1] pci 0000:00:01.0: ROM [mem 0xc0000000-0xc003ffff pref]: assigned [ 0.731746][ T1] pci 0000:00:02.0: ROM [mem 0xc0040000-0xc007ffff pref]: assigned [ 0.733190][ T1] pci 0000:00:01.0: BAR 4 [mem 0xc000000000000-0xc000000003fff 64bit pref]: assigned [ 0.734982][ T1] pci 0000:00:02.0: BAR 4 [mem 0xc000000004000-0xc000000007fff 64bit pref]: assigned [ 0.736800][ T1] pci 0000:00:01.0: BAR 1 [mem 0xc0080000-0xc0080fff]: assigned [ 0.738223][ T1] pci 0000:00:02.0: BAR 1 [mem 0xc0081000-0xc0081fff]: assigned [ 0.739684][ T1] pci_bus 0000:00: resource 4 [mem 0xc0000000-0xdfffffff window] [ 0.741117][ T1] pci_bus 0000:00: resource 5 [mem 0xc000000000000-0xfffffffffffff window] [ 0.742805][ T1] PCI: CLS 0 bytes, default 64 [ 0.744738][ T1] kvm_intel: VMX not supported by CPU 0 [ 0.745947][ T1] kvm_amd: TSC scaling supported [ 0.746898][ T1] kvm_amd: Nested Virtualization enabled [ 0.747954][ T1] kvm_amd: Nested Paging enabled [ 0.748879][ T1] kvm_amd: LBR virtualization supported [ 0.749949][ T1] kvm_amd: Virtual VMLOAD VMSAVE supported [ 0.751034][ T1] kvm_amd: Virtual GIF supported [ 0.751954][ T1] kvm_amd: Virtual NMI enabled [ 0.760240][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x257a3a7b45f, max_idle_ns: 440795312762 ns [ 0.773552][ T1] Initialise system trusted keyrings [ 0.775102][ T1] workingset: timestamp_bits=56 (anon: 52) max_order=18 bucket_order=0 (anon: 0) [ 0.788605][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.789989][ T1] fuse: init (API version 7.45) [ 0.791644][ T1] 9p: Installing v9fs 9p2000 file system support [ 0.793543][ T1] Key type asymmetric registered [ 0.794711][ T1] Asymmetric key parser 'x509' registered [ 0.796150][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 0.797915][ T1] io scheduler mq-deadline registered [ 0.798950][ T1] io scheduler kyber registered [ 0.804592][ T1] input: Power Button as /devices/platform/PNP0C0C:00/input/input0 [ 0.806887][ T1] ACPI: button: Power Button [PWRB] [ 0.811119][ T1] virtiofs virtio0: discovered new tag: ROOTFS [ 0.813512][ T1] virtiofs virtio0: virtio_fs_setup_dax: No cache capability [ 0.829017][ T1] virtio-pci 0000:00:01.0: enabling device (0000 -> 0002) [ 0.842799][ T1] ACPI: \_SB_.L001: Enabled at IRQ 17 [ 0.846657][ T1] virtio-pci 0000:00:02.0: enabling device (0000 -> 0002) [ 0.861875][ T1] ACPI: \_SB_.L002: Enabled at IRQ 18 [ 0.866322][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.871342][ T1] 00:00: ttyS0 at I/O 0x3f8 (irq = 52, base_baud = 115200) is a 16550A [ 0.936812][ T1] ACPI: bus type drm_connector registered [ 0.979367][ T1] loop: module loaded [ 0.990703][ T29] printk: legacy console [hvc0] enabled [ 0.991782][ T29] printk: legacy bootconsole [earlyser0] disabled _ _ __ _(_)_ __| |_ _ __ ___ ___ _ __ __ _ \ \ / / | __| __| _ _ \ / _ \_____| _ \ / _ | \ V /| | | | |_| | | | | | __/_____| | | | (_| | \_/ |_|_| \__|_| |_| |_|\___| |_| |_|\__ | |___/ kernel version: 7.1.0-rc1-virtme x86_64 (CTRL+d to exit) bash-5.3# PS1='xx__-> ' xx__-> ls /sys/kernel/debug/ acpi dmaengine mce stackdepot bdi dri multigrain_timestamps suspend_stats block dynamic_debug page_tables swiotlb check_wx_pages extfrag ptp0 tracing clear_warn_once fault_around_bytes ref_tracker virtio debug_objects i2c rseq virtio-ports device_component kmemleak sched wakeup_sources devices_deferred kprobes slab x86 dma_buf kvm sleep_time xx__-> <4/:/srv/vmksft/tools/fs/usr/lib64/:$LD_LIBRARY_PATH xx__-> export KSFT_MACHINE_SLOW=yes xx__-> export kselftest_override_timeout=90 xx__-> env SHELL=/bin/bash PWD=/srv/vmksft/testing/wt-20 nr_open=2147483584 virtme_hostname=vmksft-virtio-dbg,debug-threads=on KSFT_MACHINE_SLOW=yes HOME=/root virtme_chdir=srv/vmksft/testing/wt-20 kselftest_override_timeout=90 virtme_rw_overlay7=/tmp virtme_rw_overlay6=/var virtme_rw_overlay5=/usr virtme_rw_overlay4=/srv virtme_rw_overlay3=/opt virtme_rw_overlay2=/home virtme_rw_overlay1=/lib virtme_rw_overlay0=/etc TERM=dumb SHLVL=1 LD_LIBRARY_PATH=/lib64/:/srv/vmksft/tools/fs/usr/lib/:/srv/vmksft/tools/fs/lib64/:/srv/vmksft/tools/fs/usr/lib64/: XDG_RUNTIME_DIR=/run/user/0 virtme_link_mods=/srv/vmksft/testing/wt-20/.virtme_mods/lib/modules/0.0.0 PATH=/srv/vmksft/tools/fs/bin:/srv/vmksft/tools/fs/sbin:/srv/vmksft/tools/fs/usr/bin:/srv/vmksft/tools/fs/usr/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin virtme_console=ttyS0 _=/bin/env xx__->