early console in setup code early console in extract_kernel input_data: 0x00000000052052c4 input_len: 0x00000000011a3e6d output: 0x0000000001000000 output_len: 0x0000000004bda2f4 kernel_total_size: 0x0000000005428000 needed_size: 0x0000000005600000 trampoline_32bit: 0x0000000000000000 Physical KASLR using RDTSC... Virtual KASLR using RDTSC... Decompressing Linux... Parsing ELF... Performing relocations... done. Booting the kernel (entry_offset: 0x00000000027fbd54). Linux version 6.17.0-rc4-00016-gcfcabf45249d (kbuild@e24803c2b03a) (clang version 20.1.8 (git://gitmirror/llvm_project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261), LLD 20.1.8 (git://gitmirror/llvm_project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)) #1 SMP PREEMPT Fri Sep 19 04:22:17 CST 2025 Command line: ip=::::vm-meta-271::dhcp root=/dev/ram0 RESULT_ROOT=/result/locktorture/300s-cpuhotplug/vm-snb/debian-11.1-i386-20220923.cgz/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/2 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/vmlinuz-6.17.0-rc4-00016-gcfcabf45249d branch=linux-devel/devel-hourly-20250917-091028 job=/lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml user=lkp ARCH=x86_64 kconfig=x86_64-randconfig-076-20250917 commit=cfcabf45249df741fa733f41f7dbf98534e31b6b intremap=posted_msi vmalloc=256M initramfs_async=0 page_owner=on carrier_timeout=60 rcupdate.rcu_self_test=0 max_uptime=7200 LKP_SERVER=internal-lkp-server selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ x86/CPU: Model not found in latest microcode list BIOS-provided physical RAM map: BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved BIOS-e820: [mem 0x0000000000100000-0x00000000bffdffff] usable BIOS-e820: [mem 0x00000000bffe0000-0x00000000bfffffff] reserved BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved BIOS-e820: [mem 0x0000000100000000-0x000000043fffffff] usable printk: debug: ignoring loglevel setting. printk: legacy bootconsole [earlyser0] enabled NX (Execute Disable) protection: active APIC: Static calls initialized SMBIOS 2.8 present. DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 DMI: Memory slots populated: 1/1 Hypervisor detected: KVM kvm-clock: Using msrs 4b564d01 and 4b564d00 kvm-clock: using sched offset of 930289294 cycles clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns tsc: Detected 2095.078 MHz processor e820: update [mem 0x00000000-0x00000fff] usable ==> reserved e820: remove [mem 0x000a0000-0x000fffff] usable last_pfn = 0x440000 max_arch_pfn = 0x400000000 MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT last_pfn = 0xbffe0 max_arch_pfn = 0x400000000 Scan for SMP in [mem 0x00000000-0x000003ff] Scan for SMP in [mem 0x0009fc00-0x0009ffff] Scan for SMP in [mem 0x000f0000-0x000fffff] found SMP MP-table at [mem 0x000f5480-0x000f548f] mpc: f5490-f5560 RAMDISK: [mem 0xaf251000-0xbffdffff] ACPI: Early table checksum verification disabled ACPI: RSDP 0x00000000000F5290 000014 (v00 BOCHS ) ACPI: RSDT 0x00000000BFFE23D1 000034 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: FACP 0x00000000BFFE227D 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: DSDT 0x00000000BFFE0040 00223D (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: FACS 0x00000000BFFE0000 000040 ACPI: APIC 0x00000000BFFE22F1 000080 (v03 BOCHS BXPC 00000001 BXPC 00000001) ACPI: HPET 0x00000000BFFE2371 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: WAET 0x00000000BFFE23A9 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) ACPI: Reserving FACP table memory at [mem 0xbffe227d-0xbffe22f0] ACPI: Reserving DSDT table memory at [mem 0xbffe0040-0xbffe227c] ACPI: Reserving FACS table memory at [mem 0xbffe0000-0xbffe003f] ACPI: Reserving APIC table memory at [mem 0xbffe22f1-0xbffe2370] ACPI: Reserving HPET table memory at [mem 0xbffe2371-0xbffe23a8] ACPI: Reserving WAET table memory at [mem 0xbffe23a9-0xbffe23d0] Mapped APIC to ffffffffff5fd000 ( fee00000) No NUMA configuration found Faking a node at [mem 0x0000000000000000-0x000000043fffffff] NODE_DATA(0) allocated [mem 0x43ffef900-0x43fff3fff] Zone ranges: DMA [mem 0x0000000000001000-0x0000000000ffffff] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] Normal [mem 0x0000000100000000-0x000000043fffffff] Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000001000-0x000000000009efff] node 0: [mem 0x0000000000100000-0x00000000bffdffff] node 0: [mem 0x0000000100000000-0x000000043fffffff] Initmem setup node 0 [mem 0x0000000000001000-0x000000043fffffff] On node 0, zone DMA: 1 pages in unavailable ranges On node 0, zone DMA: 97 pages in unavailable ranges On node 0, zone Normal: 32 pages in unavailable ranges kasan: KernelAddressSanitizer initialized ACPI: PM-Timer IO Port: 0x608 ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02 ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05 ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09 ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01 Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03 Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04 Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06 Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07 Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08 Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f ACPI: Using ACPI (MADT) for SMP configuration information ACPI: HPET id: 0x8086a201 base: 0xfed00000 TSC deadline timer available CPU topo: Max. logical packages: 1 CPU topo: Max. logical dies: 1 CPU topo: Max. dies per package: 1 CPU topo: Max. threads per core: 1 CPU topo: Num. cores per package: 2 CPU topo: Num. threads per package: 2 CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs mapped IOAPIC to ffffffffff5fc000 (fec00000) kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [mem 0xc0000000-0xfeffbfff] available for PCI devices Booting paravirtualized kernel on KVM clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6370452778343963 ns setup_percpu: NR_CPUS:64 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1 percpu: Embedded 517 pages/cpu s2080472 r8192 d28968 u4194304 pcpu-alloc: s2080472 r8192 d28968 u4194304 alloc=2*2097152 pcpu-alloc: [0] 0 [0] 1 kvm-guest: PV spinlocks disabled, no host support Kernel command line: ip=::::vm-meta-271::dhcp root=/dev/ram0 RESULT_ROOT=/result/locktorture/300s-cpuhotplug/vm-snb/debian-11.1-i386-20220923.cgz/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/2 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/vmlinuz-6.17.0-rc4-00016-gcfcabf45249d branch=linux-devel/devel-hourly-20250917-091028 job=/lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml user=lkp ARCH=x86_64 kconfig=x86_64-randconfig-076-20250917 commit=cfcabf45249df741fa733f41f7dbf98534e31b6b intremap=posted_msi vmalloc=256M initramfs_async=0 page_owner=on carrier_timeout=60 rcupdate.rcu_self_test=0 max_uptime=7200 LKP_SERVER=internal-lkp-server selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=pani sysrq: sysrq always enabled. ignoring the deprecated load_ramdisk= option Unknown kernel command line parameters "RESULT_ROOT=/result/locktorture/300s-cpuhotplug/vm-snb/debian-11.1-i386-20220923.cgz/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/2 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/vmlinuz-6.17.0-rc4-00016-gcfcabf45249d branch=linux-devel/devel-hourly-20250917-091028 job=/lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml user=lkp ARCH=x86_64 kconfig=x86_64-randconfig-076-20250917 commit=cfcabf45249df741fa733f41f7dbf98534e31b6b vmalloc=256M max_uptime=7200 LKP_SERVER=internal-lkp-server selinux=0 prompt_ramdisk=0 vga=normal audit=0", will be passed to user space. printk: log buffer data + meta data: 1048576 + 3670016 = 4718592 bytes Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes, linear) Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) software IO TLB: area num 2. Fallback order for Node 0: 0 Built 1 zonelists, mobility grouping on. Total pages: 4194174 Policy zone: Normal mem auto-init: stack:all(pattern), heap alloc:on, heap free:off stackdepot: allocating hash table via alloc_large_system_hash stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) stackdepot: allocating space for 8192 stack pools via memblock SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 Poking KASLR using RDTSC... Running RCU self tests Running RCU synchronous self tests rcu: Preemptible hierarchical RCU implementation. rcu: RCU lockdep checking is enabled. rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. rcu: RCU debug extended QS entry/exit. RCU CPU stall warnings timeout set to 100 (rcu_cpu_stall_timeout). Trampoline variant of Tasks RCU enabled. Rude variant of Tasks RCU enabled. Tracing variant of Tasks RCU enabled. rcu: RCU calculated value of scheduler-enlistment delay is 30 jiffies. rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 Running RCU synchronous self tests RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. RCU Tasks Rude: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 rcu: srcu_init: Setting srcu_struct sizes based on contention. Console: colour VGA+ 80x25 printk: legacy console [tty0] enabled printk: legacy console [ttyS0] enabled printk: legacy bootconsole [earlyser0] disabled Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ... MAX_LOCKDEP_SUBCLASSES: 8 ... MAX_LOCK_DEPTH: 48 ... MAX_LOCKDEP_KEYS: 8192 ... CLASSHASH_SIZE: 4096 ... MAX_LOCKDEP_ENTRIES: 32768 ... MAX_LOCKDEP_CHAINS: 65536 ... CHAINHASH_SIZE: 32768 memory used by lock dependency info: 6941 kB memory used for stack traces: 4224 kB per task-struct memory footprint: 2688 bytes ACPI: Core revision 20250404 clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns APIC: Switch to symmetric I/O mode setup Masked ExtINT on CPU#0 ENABLING IO-APIC IRQs Init IO_APIC IRQs apic 0 pin 0 not connected IOAPIC[0]: Preconfigured routing entry (0-1 -> IRQ 1 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-2 -> IRQ 0 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-3 -> IRQ 3 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-4 -> IRQ 4 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-5 -> IRQ 5 Level:1 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-6 -> IRQ 6 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-7 -> IRQ 7 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-8 -> IRQ 8 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-9 -> IRQ 9 Level:1 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-10 -> IRQ 10 Level:1 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-11 -> IRQ 11 Level:1 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-12 -> IRQ 12 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-13 -> IRQ 13 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-14 -> IRQ 14 Level:0 ActiveLow:0) IOAPIC[0]: Preconfigured routing entry (0-15 -> IRQ 15 Level:0 ActiveLow:0) apic 0 pin 16 not connected apic 0 pin 17 not connected apic 0 pin 18 not connected apic 0 pin 19 not connected apic 0 pin 20 not connected apic 0 pin 21 not connected apic 0 pin 22 not connected apic 0 pin 23 not connected ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1e3306b9ada, max_idle_ns: 440795224413 ns Calibrating delay loop (skipped) preset value.. 4191.74 BogoMIPS (lpj=6983593) Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 mitigations: Enabled attack vectors: SMT mitigations: off Speculative Store Bypass: Vulnerable Spectre V2 : Vulnerable ITS: Vulnerable MDS: Vulnerable Spectre V1 : Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. Freeing SMP alternatives memory: 44K pid_max: default: 32768 minimum: 301 LSM: initializing lsm=capability Mount-cache hash table entries: 32768 (order: 6, 262144 bytes, linear) Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes, linear) Running RCU synchronous self tests Running RCU synchronous self tests smpboot: CPU0: Intel Xeon E312xx (Sandy Bridge) (family: 0x6, model: 0x2a, stepping: 0x1) Performance Events: unsupported CPU family 6 model 42 no PMU driver, software events only. signal: max sigframe size: 1776 rcu: Hierarchical SRCU implementation. rcu: Max phase no-delay instances is 1000. Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level smp: Bringing up secondary CPUs ... smpboot: x86: Booting SMP configuration: .... node #0, CPUs: #1 Masked ExtINT on CPU#1 smp: Brought up 1 node, 2 CPUs smpboot: Total of 2 processors activated (8383.49 BogoMIPS) workqueue: round-robin CPU selection forced, expect performance impact node 0 deferred pages initialised in 234ms Memory: 13927112K/16776696K available (40944K kernel code, 13215K rwdata, 12396K rodata, 4116K init, 13152K bss, 2844484K reserved, 0K cma-reserved) allocated 335544320 bytes of page_ext Node 0, zone DMA: page owner found early allocated 0 pages Node 0, zone DMA32: page owner found early allocated 0 pages Node 0, zone Normal: page owner found early allocated 83195 pages devtmpfs: initialized Running RCU synchronous self tests Running RCU synchronous self tests Running RCU Tasks wait API self tests Running RCU Tasks Rude wait API self tests Running RCU Tasks Trace wait API self tests clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6370867519511994 ns posixtimers hash table entries: 1024 (order: 4, 81920 bytes, linear) futex hash table entries: 512 (65536 bytes on 1 NUMA nodes, total 64 KiB, linear). pinctrl core: initialized pinctrl subsystem ************************************************************* ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ** ** ** IOMMU DebugFS SUPPORT HAS BEEN ENABLED IN THIS KERNEL ** ** ** ** This means that this kernel is built to expose internal ** ** IOMMU data structures, which may compromise security on ** ** your system. ** ** ** ** If you see this message and you are not debugging the ** ** kernel, report this immediately to your vendor! ** ** ** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ************************************************************* NET: Registered PF_NETLINK/PF_ROUTE protocol family Callback from call_rcu_tasks_trace() invoked. thermal_sys: Registered thermal governor 'bang_bang' thermal_sys: Registered thermal governor 'step_wise' thermal_sys: Registered thermal governor 'user_space' cpuidle: using governor ladder cpuidle: using governor menu PCI: Using configuration type 1 for base access kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. raid6: sse2x4 gen() 2536 MB/s raid6: sse2x2 gen() 2667 MB/s raid6: sse2x1 gen() 2179 MB/s raid6: using algorithm sse2x2 gen() 2667 MB/s raid6: .... xor() 2361 MB/s, rmw enabled raid6: using ssse3x2 recovery algorithm gpio-f7188x: Unsupported Fintek device 0xffff gpio-f7188x: Unsupported Fintek device 0xffff ACPI: Added _OSI(Module Device) ACPI: Added _OSI(Processor Device) ACPI: Added _OSI(Processor Aggregator Device) ACPI: 1 ACPI AML tables successfully acquired and loaded ACPI: Interpreter enabled ACPI: PM: (supports S0 S3 S5) ACPI: Using IOAPIC for interrupt routing PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug PCI: Using E820 reservations for host bridge windows Callback from call_rcu_tasks() invoked. ACPI: Enabled 2 GPEs in block 00 to 0F ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] acpi PNP0A03:00: PCIe port services disabled; not requesting _OSC control acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge PCI host bridge to bus 0000:00 pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] pci_bus 0000:00: root bus resource [mem 0x440000000-0x4bfffffff window] pci_bus 0000:00: root bus resource [bus 00-ff] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 conventional PCI endpoint pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 conventional PCI endpoint pci 0000:00:01.1: BAR 4 [io 0xc140-0xc14f] pci 0000:00:01.1: BAR 0 [io 0x01f0-0x01f7]: legacy IDE quirk pci 0000:00:01.1: BAR 1 [io 0x03f6]: legacy IDE quirk pci 0000:00:01.1: BAR 2 [io 0x0170-0x0177]: legacy IDE quirk pci 0000:00:01.1: BAR 3 [io 0x0376]: legacy IDE quirk pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB pci 0000:00:02.0: [1234:1111] type 00 class 0x030000 conventional PCI endpoint pci 0000:00:02.0: BAR 0 [mem 0xfd000000-0xfdffffff pref] pci 0000:00:02.0: BAR 2 [mem 0xfebf0000-0xfebf0fff] pci 0000:00:02.0: ROM [mem 0xfebe0000-0xfebeffff pref] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint pci 0000:00:03.0: BAR 0 [mem 0xfebc0000-0xfebdffff] pci 0000:00:03.0: BAR 1 [io 0xc100-0xc13f] pci 0000:00:03.0: ROM [mem 0xfeb80000-0xfebbffff pref] pci 0000:00:04.0: [8086:25ab] type 00 class 0x088000 conventional PCI endpoint pci 0000:00:04.0: BAR 0 [mem 0xfebf1000-0xfebf100f] pci 0000:00:05.0: [1b36:0005] type 00 class 0x00ff00 conventional PCI endpoint pci 0000:00:05.0: BAR 0 [mem 0xfebf2000-0xfebf2fff] pci 0000:00:05.0: BAR 1 [io 0xc000-0xc0ff] pci_bus 0000:00: on NUMA node 0 ACPI: PCI: Interrupt link LNKA configured for IRQ 10 ACPI: PCI: Interrupt link LNKB configured for IRQ 10 ACPI: PCI: Interrupt link LNKC configured for IRQ 11 ACPI: PCI: Interrupt link LNKD configured for IRQ 11 ACPI: PCI: Interrupt link LNKS configured for IRQ 9 iommu: Default domain type: Passthrough pps_core: LinuxPPS API ver. 1 registered pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti PTP clock support registered PCI: Using ACPI for IRQ routing PCI: pci_cache_line_size set to 64 bytes e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff] e820: reserve RAM buffer [mem 0xbffe0000-0xbfffffff] pci 0000:00:02.0: vgaarb: setting as boot VGA device pci 0000:00:02.0: vgaarb: bridge control possible pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none vgaarb: loaded hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 hpet0: 3 comparators, 64-bit 100.000000 MHz counter clocksource: Switched to clocksource kvm-clock VFS: Disk quotas dquot_6.6.0 VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) pnp: PnP ACPI init pnp 00:02: [dma 2] pnp: PnP ACPI: found 7 devices clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns NET: Registered PF_INET protocol family IP idents hash table entries: 262144 (order: 9, 2097152 bytes, linear) tcp_listen_portaddr_hash hash table entries: 8192 (order: 7, 655360 bytes, linear) Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) TCP established hash table entries: 131072 (order: 8, 1048576 bytes, linear) TCP bind hash table entries: 65536 (order: 11, 10485760 bytes, vmalloc hugepage) TCP: Hash tables configured (established 131072 bind 65536) UDP hash table entries: 8192 (order: 9, 2490368 bytes, linear) UDP-Lite hash table entries: 8192 (order: 9, 2490368 bytes, linear) NET: Registered PF_UNIX/PF_LOCAL protocol family RPC: Registered named UNIX socket transport module. RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp-with-tls transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] pci_bus 0000:00: resource 8 [mem 0x440000000-0x4bfffffff window] pci 0000:00:01.0: PIIX3: Enabling Passive Release pci 0000:00:00.0: Limiting direct PCI/PCI transfers PCI: CLS 0 bytes, default 64 Unpacking initramfs... Freeing initrd memory: 276028K PCI-DMA: Using software bounce buffering for IO (SWIOTLB) software IO TLB: mapped [mem 0x00000000ab251000-0x00000000af251000] (64MB) clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1e3306b9ada, max_idle_ns: 440795224413 ns mce: Machine check injector initialized AVX2 instructions are not detected. AVX2 or AES-NI instructions are not detected. AVX512/GFNI instructions are not detected. Initialise system trusted keyrings workingset: timestamp_bits=40 max_order=22 bucket_order=0 squashfs: version 4.0 (2009/01/31) Phillip Lougher ntfs3: Enabled Linux POSIX ACLs support ntfs3: Read-only LZX/Xpress compression included fuse: init (API version 7.44) JFS: nTxBlock = 8192, nTxLock = 65536 9p: Installing v9fs 9p2000 file system support befs: version: 0.9.3 xor: automatically using best checksumming function avx Key type asymmetric registered Asymmetric key parser 'x509' registered Asymmetric key parser 'pkcs8' registered Key type pkcs7_test registered krb5: krb5: Running selftests krb5: Running aes128-cts-hmac-sha256-128 prf krb5: Running aes256-cts-hmac-sha384-192 prf krb5: Running aes128-cts-hmac-sha256-128 key krb5: Running aes256-cts-hmac-sha384-192 key krb5: Running camellia128-cts-cmac key krb5: Running camellia256-cts-cmac key krb5: Running aes128-cts-hmac-sha256-128 enc no plain krb5: Running aes128-cts-hmac-sha256-128 enc plainblock krb5: Running aes256-cts-hmac-sha384-192 enc no plain krb5: Running aes256-cts-hmac-sha384-192 enc plainblock krb5: Running camellia128-cts-cmac enc no plain krb5: Running camellia128-cts-cmac enc 1 plain krb5: Running camellia128-cts-cmac enc 9 plain krb5: Running camellia128-cts-cmac enc 13 plain krb5: Running camellia128-cts-cmac enc 30 plain krb5: Running camellia256-cts-cmac enc no plain krb5: Running camellia256-cts-cmac enc 1 plain krb5: Running camellia256-cts-cmac enc 9 plain krb5: Running camellia256-cts-cmac enc 13 plain krb5: Running camellia256-cts-cmac enc 30 plain krb5: Running aes128-cts-hmac-sha256-128 mic krb5: Running aes256-cts-hmac-sha384-192 mic krb5: Running camellia128-cts-cmac mic abc krb5: Running camellia128-cts-cmac mic ABC krb5: Running camellia256-cts-cmac mic 123 krb5: Running camellia256-cts-cmac mic !@# krb5: Selftests succeeded gpio_winbond: chip ID at 2e is ffff gpio_winbond: not an our chip gpio_winbond: chip ID at 4e is ffff gpio_winbond: not an our chip leds_ss4200: no LED devices found switchtec: loaded. Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A Applicom driver: $Id: ac.c,v 1.30 2000/03/22 16:03:57 dwmw2 Exp $ ac.o: No PCI boards found. ac.o: For an ISA board you must supply memory and irq parameters. telclk_interrupt = 0xf non-mcpbl0010 hw. smapi::smapi_init, ERROR invalid usSmapiID mwave: tp3780i::tp3780I_InitializeBoardData: Error: SMAPI is not available on this machine mwave: mwavedd::mwave_init: Error: Failed to initialize board data mwave: mwavedd::mwave_init: Error: Failed to initialize dummy-irq: no IRQ given. Use irq=N e1000: Intel(R) PRO/1000 Network Driver e1000: Copyright (c) 1999-2006 Intel Corporation. ACPI: \_SB_.LNKC: Enabled at IRQ 11 e1000 0000:00:03.0 eth0: (PCI:33MHz:32-bit) 52:54:00:12:34:56 e1000 0000:00:03.0 eth0: Intel(R) PRO/1000 Network Connection VFIO - User Level meta-driver version: 0.3 i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0 piix4_smbus 0000:00:01.3: SMBus Host Controller at 0x700, revision 0 i2c i2c-0: Memory type 0x07 not supported yet, not instantiating SPD eurotechwdt: Eurotech WDT driver 0.01 at 3F0 (Interrupt 10) - timeout event: int ib700wdt: WDT driver for IB700 single board computer initialising ib700wdt: failed to register misc device ib700wdt ib700wdt: probe with driver ib700wdt failed with error -16 sbc60xxwdt: cannot register miscdev on minor=130 (err=-16) smsc37b787_wdt: SMsC 37B787 watchdog component driver 1.1 initialising... smsc37b787_wdt: Unable to register IO port 0x3f0 w83877f_wdt: I/O address 0x03f0 already in use machzwd: MachZ ZF-Logic Watchdog driver initializing machzwd: no ZF-Logic found sbc_epx_c3: cannot register miscdev on minor=130 (err=-16) watchdog: Software Watchdog: cannot register miscdev on minor=130 (err=-16). watchdog: Software Watchdog: a legacy watchdog module is probably present. softdog: initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=1) softdog: soft_reboot_cmd= soft_active_on_boot=0 intel_pstate: CPU model not supported comedi: version 0.7.76 - http://www.comedi.org Board is not the VME system controller VME geographical address is set to 0 CR/CSR Offset: 0 gpib_common: GPIB core driver topstar_laptop: ACPI extras driver loaded surface_gpe: no compatible Microsoft Surface device found, exiting NET: Registered PF_INET6 protocol family Segment Routing with IPv6 In-situ OAM (IOAM) with IPv6 sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver NET: Registered PF_PACKET protocol family 9pnet: Installing 9P2000 support start plist test end plist test IPI shorthand broadcast: enabled ... APIC ID: 00000000 (0) ... APIC VERSION: 00050014 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 number of MP IRQ sources: 15. number of IO-APIC #0 registers: 24. testing the IO APIC....................... IO APIC #0...... .... register #00: 00000000 ....... : physical APIC id: 00 ....... : Delivery Type: 0 ....... : LTS : 0 .... register #01: 00170011 ....... : max redirection entries: 17 ....... : PRQ implemented: 0 ....... : IO APIC version: 11 .... register #02: 00000000 ....... : arbitration: 00 .... IRQ redirection table: IOAPIC 0: pin00, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin01, enabled , edge , high, V(21), IRR(0), S(0), physical, D(0001), M(0) pin02, enabled , edge , high, V(30), IRR(0), S(0), physical, D(0000), M(0) pin03, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin04, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin05, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin06, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin07, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin08, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin09, enabled , level, high, V(20), IRR(0), S(0), physical, D(0001), M(0) pin0a, enabled , level, high, V(21), IRR(0), S(0), physical, D(0000), M(0) pin0b, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin0c, enabled , edge , high, V(20), IRR(0), S(0), physical, D(0000), M(0) pin0d, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin0e, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin0f, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin10, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin11, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin12, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin13, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin14, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin15, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin16, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) pin17, disabled, edge , high, V(00), IRR(0), S(0), physical, D(0000), M(0) IRQ to pin mappings: IRQ0 -> 0:2 IRQ1 -> 0:1 IRQ3 -> 0:3 IRQ4 -> 0:4 IRQ5 -> 0:5 IRQ6 -> 0:6 IRQ7 -> 0:7 IRQ8 -> 0:8 IRQ9 -> 0:9 IRQ10 -> 0:10 IRQ11 -> 0:11 IRQ12 -> 0:12 IRQ13 -> 0:13 IRQ14 -> 0:14 IRQ15 -> 0:15 .................................... done. sched_clock: Marking stable (20760032920, 146930347)->(21012576100, -105612833) Loading compiled-in X.509 certificates Demotion targets for Node 0: null Btrfs loaded, experimental=on, debug=on, zoned=yes, fsverity=no Key type encrypted registered RAS: Correctable Errors collector initialized. input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input2 e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX Sending DHCP requests ., OK IP-Config: Got DHCP answer from 10.0.2.2, my address is 10.0.2.15 IP-Config: Complete: device=eth0, hwaddr=52:54:00:12:34:56, ipaddr=10.0.2.15, mask=255.255.255.0, gw=10.0.2.2 host=vm-meta-271, domain=, nis-domain=(none) bootserver=10.0.2.2, rootserver=10.0.2.2, rootpath= nameserver0=10.0.2.3 clk: Disabling unused clocks Freeing unused kernel image (initmem) memory: 4116K Write protecting the kernel read-only data: 55296k Freeing unused kernel image (text/rodata gap) memory: 12K Freeing unused kernel image (rodata/data gap) memory: 1940K Run /init as init process with arguments: /init with environment: HOME=/ TERM=linux RESULT_ROOT=/result/locktorture/300s-cpuhotplug/vm-snb/debian-11.1-i386-20220923.cgz/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/2 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/vmlinuz-6.17.0-rc4-00016-gcfcabf45249d branch=linux-devel/devel-hourly-20250917-091028 job=/lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml user=lkp ARCH=x86_64 kconfig=x86_64-randconfig-076-20250917 commit=cfcabf45249df741fa733f41f7dbf98534e31b6b vmalloc=256M max_uptime=7200 LKP_SERVER=internal-lkp-server selinux=0 prompt_ramdisk=0 vga=normal audit=0 systemd[1]: RTC configured in localtime, applying delta of 0 minutes to system time. systemd[1]: Inserted module 'autofs4' Welcome to Debian GNU/Linux 11 (bullseye)! random: crng init done Created slice system-getty.slice. Created slice system-modprobe.slice. Created slice system-serial\x2dgetty.slice. Created slice User and Session Slice. Reached target Local Encrypted Volumes. Reached target Paths. Reached target Slices. Reached target Swap. Listening on RPCbind Server Activation Socket. Listening on Syslog Socket. Listening on initctl Compatibility Named Pipe. Listening on Journal Socket (/dev/log). Listening on Journal Socket. Listening on udev Control Socket. Listening on udev Kernel Socket. Mounting RPC Pipe File System... Mounting Kernel Debug File System... Mounting Kernel Trace File System... Starting Load Kernel Module configfs... Starting Load Kernel Module drm... Starting Load Kernel Module fuse... Starting Journal Service... Starting Load Kernel Modules... Starting Remount Root and Kernel File Systems... Starting Coldplug All udev Devices... Mounted RPC Pipe File System. Mounted Kernel Debug File System. Mounted Kernel Trace File System. Finished Load Kernel Module configfs. Finished Load Kernel Module drm. Finished Load Kernel Module fuse. Finished Load Kernel Modules. Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... Mounted FUSE Control File System. Mounted Kernel Configuration File System. Finished Load/Save Random Seed. Started Journal Service. Starting Flush Journal to Persistent Storage... Finished Apply Kernel Variables. Finished Create System Users. Starting Create Static Device Nodes in /dev... Finished Create Static Device Nodes in /dev. Reached target Local File Systems (Pre). Reached target Local File Systems. Starting Preprocess NFS configuration... Finished Flush Journal to Persistent Storage. Finished Preprocess NFS configuration. Reached target NFS client services. Starting Create Volatile Files and Directories... Started Rule-based Manager for Device Events and Files. Finished Create Volatile Files and Directories. Starting RPC bind portmap service... Starting Update UTMP about System Boot/Shutdown... Started RPC bind portmap service. Reached target Remote File Systems (Pre). Reached target Remote File Systems. Reached target RPC Port Mapper. Finished Update UTMP about System Boot/Shutdown. Finished Coldplug All udev Devices. Reached target System Initialization. Started Daily apt download activities. Started Daily apt upgrade and clean activities. Started Discard unused blocks once a week. Started Daily rotation of log files. Started Daily Cleanup of Temporary Directories. Reached target Timers. Listening on D-Bus System Message Bus Socket. Reached target Sockets. Reached target Basic System. Started Regular background program processing daemon. Started D-Bus System Message Bus. Starting Helper to synchronize boot up for ifupdown... Starting LSB: OpenIPMI Driver init script... Starting System Logging Service... Starting User Login Management... watchdog: i6300ESB timer: cannot register miscdev on minor=130 (err=-16). watchdog: i6300ESB timer: a legacy watchdog module is probably present. i6300ESB timer 0000:00:04.0: initialized. heartbeat=30 sec (nowayout=1) Started System Logging Service. Starting LSB: Load kernel image with kexec... Finished Helper to synchronize boot up for ifupdown. Failed to start LSB: OpenIPMI Driver init script. See 'systemctl status openipmi.service' for details. Found device /dev/ttyS0. Started User Login Management. RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer mousedev: PS/2 mouse device common for all mice Starting Raise network interfaces... Started LSB: Load kernel image with kexec. Finished Raise network interfaces. Reached target Network. Starting LKP bootstrap... Starting /etc/rc.local Compatibility... Starting OpenBSD Secure Shell server... Starting Permit User Sessions... Started LKP bootstrap. Finished Permit User Sessions. LKP: ttyS0: 244: skip deploy intel ucode as no ucode is specified Started OpenBSD Secure Shell server. LKP: ttyS0: 244: Kernel tests: Boot OK! LKP: ttyS0: 244: HOSTNAME vm-snb, MAC 52:54:00:12:34:56, kernel 6.17.0-rc4-00016-gcfcabf45249d 1 LKP: ttyS0: 244: /lkp/lkp/src/bin/run-lkp /lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml is_virt=true lkp: kernel tainted state: 131072 LKP: stdout: 244: Kernel tests: Boot OK! torture module --- spin_lock: disable_onoff_at_boot=0 ftrace_dump_at_shutdown=0 verbose_sleep_frequency=0 verbose_sleep_duration=1 random_shuffle=0 spin_lock-torture:--- Start of test [debug]: acq_writer_lim=0 bind_readers=0-1 bind_writers=0-1 call_rcu_chains=0 long_hold=100 nested_locks=0 nreaders_stress=0 nwriters_stress=4 onoff_holdoff=30 onoff_interval=3 rt_boost=2 rt_boost_factor=50 shuffle_interval=3 shutdown_secs=0 stat_interval=60 stutter=5 verbose=1 writer_fifo=0 spin_lock-torture: Creating torture_onoff task spin_lock-torture: torture_onoff task started spin_lock-torture: torture_onoff begin holdoff spin_lock-torture: Creating torture_shuffle task spin_lock-torture: Creating torture_stutter task spin_lock-torture: torture_shuffle task started spin_lock-torture: Creating lock_torture_writer task spin_lock-torture: torture_stutter task started spin_lock-torture: Creating lock_torture_writer task spin_lock-torture: lock_torture_writer task started spin_lock-torture: Creating lock_torture_writer task spin_lock-torture: lock_torture_writer task started spin_lock-torture: lock_torture_writer task started spin_lock-torture: Creating lock_torture_writer task spin_lock-torture: Creating lock_torture_stats task spin_lock-torture: lock_torture_writer task started spin_lock-torture: lock_torture_stats task started LKP: stdout: 244: HOSTNAME vm-snb, MAC 52:54:00:12:34:56, kernel 6.17.0-rc4-00016-gcfcabf45249d 1 install debs round one: dpkg -i --force-confdef --force-depends /opt/deb/gawk_1%3a5.1.0-1_i386.deb Selecting previously unselected package gawk. (Reading database ... 16439 files and directories currently installed.) Preparing to unpack .../deb/gawk_1%3a5.1.0-1_i386.deb ... Unpacking gawk (1:5.1.0-1) ... Setting up gawk (1:5.1.0-1) ... NO_NETWORK= INFO: lkp CACHE_DIR is /tmp/cache torture_spin_lock_write_delay: delay = 30 jiffies. LKP: stdout: 244: /lkp/lkp/src/bin/run-lkp /lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml RESULT_ROOT=/result/locktorture/300s-cpuhotplug/vm-snb/debian-11.1-i386-20220923.cgz/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/2 job=/lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml torture_spin_lock_write_delay: delay = 30 jiffies. torture_spin_lock_write_delay: delay = 31 jiffies. torture_spin_lock_write_delay: delay = 33 jiffies. torture_spin_lock_write_delay: delay = 30 jiffies. result_service: raw_upload, RESULT_MNT: /internal-lkp-server/result, RESULT_ROOT: /internal-lkp-server/result/locktorture/300s-cpuhotplug/vm-snb/debian-11.1-i386-20220923.cgz/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/2, TMP_RESULT_ROOT: /tmp/lkp/result run-job /lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml torture_spin_lock_write_delay: delay = 39 jiffies. /usr/bin/wget -q --timeout=3600 --tries=1 --local-encoding=UTF-8 http://internal-lkp-server:80/~lkp/cgi-bin/lkp-jobfile-append-var?job_file=/lkp/jobs/scheduled/vm-meta-271/locktorture-300s-cpuhotplug-debian-11.1-i386-20220923.cgz-x86_64-randconfig-076-20250917-cfcabf45249d-20250919-95171-j7m5c1-0.yaml&job_state=running -O /dev/null target ucode: check_nr_cpu CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 NUMA node0 CPU(s): 0,1 2025-09-18 20:25:13 depmod 2025-09-18 20:25:27 modprobe locktorture onoff_interval=3 onoff_holdoff=30 2025-09-18 20:25:28 sleep 300 torture_spin_lock_write_delay: delay = 32 jiffies. torture_spin_lock_write_delay: delay = 31 jiffies. spin_lock-torture: torture_onoff end holdoff smpboot: CPU 1 is now offline torture_spin_lock_write_delay: delay = 31 jiffies. smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 torture_spin_lock_write_delay: delay = 30 jiffies. smpboot: CPU 1 is now offline torture_spin_lock_write_delay: delay = 32 jiffies. smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 torture_spin_lock_write_delay: delay = 32 jiffies. torture_spin_lock_write_delay: delay = 31 jiffies. torture_spin_lock_write_delay: delay = 30 jiffies. smpboot: CPU 1 is now offline torture_spin_lock_write_delay: delay = 31 jiffies. torture_spin_lock_write_delay: delay = 31 jiffies. torture_spin_lock_write_delay: delay = 30 jiffies. smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 ============================================ WARNING: possible recursive locking detected 6.17.0-rc4-00016-gcfcabf45249d #1 Tainted: G T -------------------------------------------- migration/1/23 is trying to acquire lock: ffff8883a9dfa198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x24/0x40 but task is already holding lock: ffff8883a9dfa198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x24/0x40 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&rq->__lock); lock(&rq->__lock); *** DEADLOCK *** May be due to missing lock nesting notation 3 locks held by migration/1/23: #0: ffff888175d905b8 (&p->pi_lock){-.-.}-{2:2}, at: __balance_push_cpu_stop+0x79/0x320 #1: ffff8883a9dfa198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x24/0x40 #2: ffffffff8cd48ba0 (rcu_read_lock){....}-{1:3}, at: cpuset_cpus_allowed_fallback+0x20/0x2e0 stack backtrace: CPU: 1 UID: 0 PID: 23 Comm: migration/1 Tainted: G T 6.17.0-rc4-00016-gcfcabf45249d #1 PREEMPT Tainted: [T]=RANDSTRUCT Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Stopper: __balance_push_cpu_stop+0x0/0x320 <- balance_push+0x28d/0x3c0 Call Trace: __dump_stack+0x19/0x20 dump_stack_lvl+0x85/0xc0 dump_stack+0x14/0x16 print_deadlock_bug+0x277/0x290 __lock_acquire+0x21cf/0x29f0 ? kvm_sched_clock_read+0x15/0x20 ? sched_clock_noinstr+0xd/0x10 lock_acquire+0xfb/0x230 ? raw_spin_rq_lock_nested+0x24/0x40 ? __lock_acquire+0x5e3/0x29f0 ? kvm_sched_clock_read+0x15/0x20 ? sched_clock_noinstr+0xd/0x10 ? raw_spin_rq_lock_nested+0x24/0x40 _raw_spin_lock_nested+0x41/0x80 ? raw_spin_rq_lock_nested+0x24/0x40 raw_spin_rq_lock_nested+0x24/0x40 __task_rq_lock+0xcc/0x390 do_set_cpus_allowed+0x52/0xc0 ? cpuset_cpus_allowed_fallback+0x20/0x2e0 cpuset_cpus_allowed_fallback+0x1d0/0x2e0 select_fallback_rq+0x194/0x2c0 __balance_push_cpu_stop+0x190/0x320 ? __do_trace_sched_move_numa+0xa0/0xa0 cpu_stopper_thread+0x29b/0x3c0 ? cpu_stop_should_run+0xb0/0xb0 smpboot_thread_fn+0x52a/0x9f0 ? smpboot_thread_fn+0x49/0x9f0 kthread+0x4d2/0x620 ? smpboot_unregister_percpu_thread+0x1a0/0x1a0 ? __do_trace_sched_kthread_stop_ret+0xb0/0xb0 ret_from_fork+0x23a/0x380 ? __do_trace_sched_kthread_stop_ret+0xb0/0xb0 ret_from_fork_asm+0x11/0x20 BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 57s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=5 in-flight: 9:work_for_cpu_fn BAR(476) ,10:vmstat_shepherd pending: e1000_watchdog workqueue events_unbound: flags=0x2 pwq 10: cpus=0-1 node=0 flags=0x4 nice=0 active=1 refcnt=2 pending: crng_reseed workqueue events_power_efficient: flags=0x82 pwq 9: cpus=0-1 node=0 flags=0x4 nice=0 active=4 refcnt=5 pending: do_cache_clean, 2*neigh_periodic_work, check_lifetime pwq 10: cpus=0-1 node=0 flags=0x4 nice=0 active=2 refcnt=3 pending: 2*neigh_managed_work workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 pending: addrconf_verify_work pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=57s workers=4 idle: 223 94 Showing backtraces of running workers in stalled CPU-bound worker pools: Kboot worker: lkp-worker66 Elapsed time: 180 kvm=( qemu-system-x86_64 -enable-kvm -cpu SandyBridge -kernel $kernel -initrd initrd-vm-meta-271.cgz -m 16384 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::32032-:22 -boot order=nc -no-reboot -device i6300esb -device pci-testdev -watchdog-action debug -rtc base=localtime -serial stdio -display none -monitor null ) append=( ip=::::vm-meta-271::dhcp root=/dev/ram0 RESULT_ROOT=/result/locktorture/300s-cpuhotplug/vm-snb/debian-11.1-i386-20220923.cgz/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/2 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-076-20250917/clang-20/cfcabf45249df741fa733f41f7dbf98534e31b6b/vmlinuz-6.17.0-rc4-00016-gcfcabf45249d branch=linux-devel/devel-hourly-20250917-091028 job=/job-script user=lkp ARCH=x86_64 kconfig=x86_64-randconfig-076-20250917 commit=cfcabf45249df741fa733f41f7dbf98534e31b6b intremap=posted_msi vmalloc=256M initramfs_async=0 page_owner=on carrier_timeout=60 rcupdate.rcu_self_test=0 max_uptime=7200 result_service=tmpfs selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw rcuperf.shutdown=0 rcuscale.shutdown=0 refscale.shutdown=0 watchdog_thresh=240 audit=0 kunit.enable=0 ia32_emulation=on ) "${kvm[@]}" -append "${append[*]}"