early console in setup code Probing EDD (edd=off to disable)... ok early console in extract_kernel input_data: 0x0369d094 input_len: 0x00c2c65b output: 0x01000000 output_len: 0x032765dc kernel_total_size: 0x02edb000 needed_size: 0x032765dc Decompressing Linux... Parsing ELF... No relocation needed... done. Booting the kernel (entry_offset: 0x02366000). Linux version 6.18.0-rc1-00014-gb079d9379652 (kbuild@1a00ab53d730) (clang version 20.1.8 (git://gitmirror/llvm_project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261), LLD 20.1.8 (git://gitmirror/llvm_project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)) #1 SMP Fri Oct 24 04:22:10 CST 2025 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 e820: remove [mem 0x100000000-0xfffffffffffffffe] usable printk: debug: ignoring loglevel setting. printk: legacy bootconsole [earlyser0] enabled e820: remove [mem 0x100000000-0xfffffffffffffffe] usable Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel! APIC: Static calls initialized user-defined physical RAM map: user: [mem 0x0000000000000000-0x000000000009fbff] usable user: [mem 0x000000000009fc00-0x000000000009ffff] reserved user: [mem 0x00000000000f0000-0x00000000000fffff] reserved user: [mem 0x0000000000100000-0x00000000bffdffff] usable user: [mem 0x00000000bffe0000-0x00000000bfffffff] reserved user: [mem 0x00000000feffc000-0x00000000feffffff] reserved user: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved 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 last_pfn = 0xbffe0 max_arch_pfn = 0x100000 kvm-clock: Using msrs 4b564d01 and 4b564d00 kvm-clock: using sched offset of 2297142878 cycles clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns tsc: Detected 2593.906 MHz processor e820: update [mem 0x00000000-0x00000fff] usable ==> reserved e820: remove [mem 0x000a0000-0x000fffff] usable last_pfn = 0xbffe0 max_arch_pfn = 0x100000 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 initial memory mapped: [mem 0x00000000-0x043fffff] RAMDISK: [mem 0x70513000-0x7fffffff] 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 ffffb000 ( fee00000) 279MB HIGHMEM available. 2791MB LOWMEM available. mapped low ram: 0 - ae7fe000 low ram: 0 - ae7fe000 Zone ranges: DMA [mem 0x0000000000001000-0x0000000000ffffff] Normal [mem 0x0000000001000000-0x00000000ae7fdfff] HighMem [mem 0x00000000ae7fe000-0x00000000bffdffff] Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000001000-0x000000000009efff] node 0: [mem 0x0000000000100000-0x00000000bffdffff] Initmem setup node 0 [mem 0x0000000000001000-0x00000000bffdffff] On node 0, zone DMA: 1 pages in unavailable ranges On node 0, zone DMA: 97 pages in unavailable ranges On node 0, zone HighMem: 32 pages in unavailable ranges 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 ffffa000 (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: 19112604462750000 ns setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1 percpu: Embedded 32 pages/cpu s98912 r0 d32160 u131072 pcpu-alloc: s98912 r0 d32160 u131072 alloc=32*4096 pcpu-alloc: [0] 0 [0] 1 Kernel command line: ip=::::vm-meta-82::dhcp root=/dev/ram0 RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-tracing/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-062-20251022/clang-20/b079d93796528053cde322f2ca838c2d21c297e7/0 BOOT_IMAGE=/pkg/linux/i386-randconfig-062-20251022/clang-20/b079d93796528053cde322f2ca838c2d21c297e7/vmlinuz-6.18.0-rc1-00014-gb079d9379652 branch=linux-next/master job=/lkp/jobs/scheduled/vm-meta-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-0.yaml user=lkp ARCH=i386 kconfig=i386-randconfig-062-20251022 commit=b079d93796528053cde322f2ca838c2d21c297e7 mem=4G 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 sysrq: sysrq always enabled. ignoring the deprecated load_ramdisk= option ignoring the deprecated prompt_ramdisk= option Unknown kernel command line parameters "RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-tracing/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-062-20251022/clang-20/b079d93796528053cde322f2ca838c2d21c297e7/0 branch=linux-next/master job=/lkp/jobs/scheduled/vm-meta-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-0.yaml user=lkp ARCH=i386 kconfig=i386-randconfig-062-20251022 commit=b079d93796528053cde322f2ca838c2d21c297e7 intremap=posted_msi max_uptime=7200 LKP_SERVER=internal-lkp-server selinux=0 nmi_watchdog=panic vga=normal audit=0 ia32_emulation=on", will be passed to user space. printk: log buffer data + meta data: 1048576 + 3276800 = 4325376 bytes Dentry cache hash table entries: 524288 (order: 9, 2097152 bytes, linear) Inode-cache hash table entries: 262144 (order: 8, 1048576 bytes, linear) Built 1 zonelists, mobility grouping on. Total pages: 786302 mem auto-init: stack:all(zero), heap alloc:on, heap free:on mem auto-init: clearing system memory may take some time... stackdepot: allocating hash table via alloc_large_system_hash stackdepot hash table entries: 262144 (order: 9, 2097152 bytes, linear) stackdepot: allocating space for 8192 stack pools via memblock Checking if this processor honours the WP bit even in supervisor mode...Ok. ********************************************************** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ** ** ** This system shows unhashed kernel memory addresses ** ** via the console, logs, and other interfaces. This ** ** might reduce the security of your system. ** ** ** ** If you see this message and you are not debugging ** ** the kernel, report this immediately to your system ** ** administrator! ** ** ** ** Use hash_pointers=always to force this mode off ** ** ** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ********************************************************** SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 allocated 53477376 bytes of page_ext Node 0, zone DMA: page owner found early allocated 0 pages Node 0, zone Normal: page owner found early allocated 13065 pages Node 0, zone HighMem: page owner found early allocated 0 pages Running RCU self tests Running RCU synchronous self tests rcu: Hierarchical RCU implementation. rcu: RCU event tracing is enabled. rcu: RCU lockdep checking is enabled. rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. 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 10 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: 2304, nr_irqs: 56, 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: 3869 kB memory used for stack traces: 2112 kB per task-struct memory footprint: 1344 bytes ACPI: Core revision 20250807 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: 0x2563bf907c6, max_idle_ns: 440795319401 ns Calibrating delay loop (skipped) preset value.. 5187.81 BogoMIPS (lpj=25939060) 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 L1TF: Kernel not compiled for PAE. No mitigation for L1TF 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: 76K pid_max: default: 32768 minimum: 301 LSM: initializing lsm=capability Mount-cache hash table entries: 8192 (order: 3, 32768 bytes, linear) Mountpoint-cache hash table entries: 8192 (order: 3, 32768 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: 1760 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 (10375.62 BogoMIPS) Memory: 2757068K/3145208K available (21534K kernel code, 5315K rwdata, 9024K rodata, 1068K init, 7356K bss, 332348K reserved, 0K cma-reserved, 286600K highmem) devtmpfs: initialized 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: 19112604462750000 ns posixtimers hash table entries: 1024 (order: 3, 40960 bytes, linear) futex hash table entries: 512 (32768 bytes on 1 NUMA nodes, total 32 KiB, linear). pinctrl core: initialized pinctrl subsystem regulator-dummy: 2147483647 mW budge, enabled ************************************************************* ** 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 thermal_sys: Registered thermal governor 'bang_bang' thermal_sys: Registered thermal governor 'step_wise' cpuidle: using governor menu PCI: Using configuration type 1 for base access kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. HugeTLB: registered 4.00 MiB page size, pre-allocated 0 pages HugeTLB: 0 KiB vmemmap can be freed for a 4.00 MiB page Callback from call_rcu_tasks_trace() invoked. 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 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 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 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 acpi resource window ([0x440000000-0x4bfffffff] ignored, not CPU addressable) 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 [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 SCSI subsystem initialized libata version 3.00 loaded. ACPI: bus type USB registered usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb pps_core: LinuxPPS API ver. 1 registered pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti nfc: nfc_init: NFC Core ver 0.1 NET: Registered PF_NFC protocol family mctp: management component transport protocol core NET: Registered PF_MCTP protocol family 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 dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.4) clocksource: Switched to clocksource kvm-clock VFS: Disk quotas dquot_6.6.0 VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) pnp: PnP ACPI init pnp 00:02: [dma 2] pnp: PnP ACPI: found 7 devices Callback from call_rcu_tasks() invoked. clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns NET: Registered PF_INET protocol family IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) tcp_listen_portaddr_hash hash table entries: 2048 (order: 4, 81920 bytes, linear) Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) TCP established hash table entries: 32768 (order: 5, 131072 bytes, linear) TCP bind hash table entries: 32768 (order: 9, 2621440 bytes, linear) TCP: Hash tables configured (established 32768 bind 32768) UDP hash table entries: 2048 (order: 6, 311296 bytes, linear) UDP-Lite hash table entries: 2048 (order: 6, 311296 bytes, linear) NET: Registered PF_UNIX/PF_LOCAL protocol family NET: Registered PF_XDP protocol family 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 0000:00:01.0: PIIX3: Enabling Passive Release pci 0000:00:00.0: Limiting direct PCI/PCI transfers pci 0000:00:01.0: Activating ISA DMA hang workarounds PCI: CLS 0 bytes, default 64 Trying to unpack rootfs image as initramfs... Freeing initrd memory: 256948K RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2563bf907c6, max_idle_ns: 440795319401 ns The force parameter has not been set to 1. The Iris poweroff handler will not be installed. Initialise system trusted keyrings workingset: timestamp_bits=30 max_order=20 bucket_order=0 fuse: init (API version 7.45) JFS: nTxBlock = 8192, nTxLock = 65536 SGI XFS with security attributes, no debug enabled NET: Registered PF_ALG protocol family Key type asymmetric registered Asymmetric key parser 'x509' registered Asymmetric key parser 'pkcs8' 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 Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247) io scheduler kyber registered io scheduler bfq registered gpio_it87: no device usbcore: registered new interface driver gpio-mpsse 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 SPI driver leds_spi_byte has no spi_device_id for ubnt,acb-spi-led ledtrig-cpu: registered to indicate activity on CPUs hgafb: HGA card not detected. hgafb hgafb.0: probe with driver hgafb failed with error -22 input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ACPI: button: Power Button [PWRF] ERST DBG: ERST support is disabled. Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled 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. toshiba: not a supported Toshiba laptop nsc_gpio initializing telclk_interrupt = 0xf non-mcpbl0010 hw. usbcore: registered new interface driver xillyusb Floppy drive(s): fd0 is 2.88M AMI BIOS brd: module loaded FDC 0 is a S82078B zram: Added device: zram0 Phantom Linux Driver, version n0.9.8, init OK Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti usbcore: registered new interface driver dln2 Loading iSCSI transport class v2.0-870. rdac: device handler registered hp_sw: device handler registered snic:SNIC Driver is supported only for x86_64 platforms! snic:Cisco SCSI NIC Driver, ver 0.0.1.18 Microchip SmartPQI Driver (v2.1.34-035) megasas: 07.734.00.00-rc1 mpt3sas version 54.100.00.00 loaded LSI 3ware SAS/SATA-RAID Controller device driver for Linux v3.26.02.000. nsp32: loading... QLogic NetXtreme II iSCSI Driver bnx2i v2.7.10.1 (Jul 16, 2014) iscsi: registered transport (bnx2i) iscsi: registered transport (be2iscsi) In beiscsi_module_init, tt=432131f4 SCSI Media Changer driver v0.25 scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) scsi host0: scsi_debug: version 0191 [20210520] dev_size_mb=8, opts=0x0, submit_queues=1, statistics=0 scsi 0:0:0:0: Direct-Access Linux scsi_debug 0191 PQ: 0 ANSI: 7 scsi 0:0:0:0: Power-on or device reset occurred eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) usbcore: registered new interface driver mvusb_mdio vxcan: Virtual CAN Tunnel driver CAN device driver interface usbcore: registered new interface driver ems_usb usbcore: registered new interface driver esd_usb usbcore: registered new interface driver kvaser_usb sja1000 CAN netdevice driver cnic: QLogic cnicDriver v2.5.22 (July 20, 2015) 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 ns83820.c: National Semiconductor DP83820 10/100/1000 driver. tehuti: Tehuti Networks(R) Network Driver, 7.29.3 tehuti: Options: hw_csum SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256). wwan wwan0: port wwan0at0 attached wwan wwan0: port wwan0at1 attached wwan wwan1: port wwan1at0 attached wwan wwan1: port wwan1at1 attached usbcore: registered new interface driver catc usbcore: registered new interface driver kaweth usbcore: registered new interface driver cdc_wdm usbcore: registered new interface driver cypress_cy7c63 usbcore: registered new interface driver cytherm usbcore: registered new interface driver emi62 - firmware loader usbcore: registered new device driver apple-mfi-fastcharge usbcore: registered new interface driver ljca usbcore: registered new interface driver usbio-bridge usbcore: registered new interface driver idmouse usbcore: registered new interface driver isight_firmware usbcore: registered new interface driver usblcd usbcore: registered new interface driver usb_ehset_test usbcore: registered new interface driver usbsevseg usbcore: registered new interface driver chaoskey UDC core: g_mass_storage: couldn't find an available UDC UDC core: g_multi: couldn't find an available UDC UDC core: g_acm_ms: couldn't find an available UDC Mass Storage Function, version: 2009/09/11 LUN: removable file: (no medium) no file given for LUN0 udc usbip-vudc.0: failed to start g_mass_storage: -22 g_mass_storage gadget.0: probe with driver g_mass_storage failed with error -22 Mass Storage Function, version: 2009/09/11 LUN: removable file: (no medium) no file given for LUN0 printk: legacy console [ttyGS0] disabled udc usbip-vudc.0: failed to start g_multi: -22 g_multi gadget.0: probe with driver g_multi failed with error -22 Mass Storage Function, version: 2009/09/11 LUN: removable file: (no medium) no file given for LUN0 printk: legacy console [ttyGS0] disabled udc usbip-vudc.0: failed to start g_acm_ms: -22 g_acm_ms gadget.0: probe with driver g_acm_ms failed with error -22 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 mousedev: PS/2 mouse device common for all mice usbcore: registered new interface driver ims_pcu usbcore: registered new interface driver powermate wistron_btns: System unknown piix4_smbus 0000:00:01.3: SMBus Host Controller at 0x700, revision 0 input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1 i2c i2c-0: Memory type 0x07 not supported yet, not instantiating SPD usbcore: registered new interface driver i2c-cp2615 usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF usbcore: registered new interface driver ushc Driver for HIFN 795x crypto accelerator chip has been successfully registered. amd_hsmp: HSMP interface is either disabled or not supported on family:6 model:2a fujitsu_tablet: Unknown (using defaults) SPI driver ti-dac7612 has no spi_device_id for ti,dac7612 SPI driver ti-dac7612 has no spi_device_id for ti,dac7612u SPI driver ti-dac7612 has no spi_device_id for ti,dac7612ub SPI driver st-magn-spi has no spi_device_id for st,lis3mdl-magn SPI driver st-magn-spi has no spi_device_id for st,lsm303agr-magn SPI driver st-magn-spi has no spi_device_id for st,lsm9ds1-magn SPI driver st-magn-spi has no spi_device_id for st,lsm303c-magn SPI driver rm3100-spi has no spi_device_id for pni,rm3100 usbcore: registered new interface driver hdm_usb NET: Registered PF_LLC protocol family 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 NET: Registered PF_NETROM protocol family NET: Registered PF_ROSE protocol family NET: Registered PF_AX25 protocol family can: controller area network core NET: Registered PF_CAN protocol family NET: Registered PF_PHONET protocol family 9pnet: Installing 9P2000 support IPI shorthand broadcast: enabled ... APIC ID: 00000000 (0) ... APIC VERSION: 00050014 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000008001000 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), logical , D(0001), M(0) pin02, enabled , edge , high, V(30), IRR(0), S(0), logical , D(0001), 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, enabled , edge , high, V(20), IRR(0), S(0), logical , D(0001), 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), logical , D(0002), M(0) pin0a, disabled, edge , high, V(00), 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(21), IRR(0), S(0), logical , D(0002), 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 (9520031305, 123976478)->(9664142915, -20135132) registered taskstats version 1 Loading compiled-in X.509 certificates debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers Key type .fscrypt registered Key type fscrypt-provisioning registered Key type big_key registered e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX Sending DHCP requests . Unknown ARP type 0xfffe for device wwan0 Unknown ARP type 0xfffe for device wwan1 , 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-82, 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: 1068K Write protecting kernel text and read-only data: 30560k Run /init as init process with arguments: /init with environment: HOME=/ TERM=linux RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-tracing/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-062-20251022/clang-20/b079d93796528053cde322f2ca838c2d21c297e7/0 branch=linux-next/master job=/lkp/jobs/scheduled/vm-meta-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-0.yaml user=lkp ARCH=i386 kconfig=i386-randconfig-062-20251022 commit=b079d93796528053cde322f2ca838c2d21c297e7 intremap=posted_msi max_uptime=7200 LKP_SERVER=internal-lkp-server selinux=0 nmi_watchdog=panic vga=normal audit=0 ia32_emulation=on systemd[1]: RTC configured in localtime, applying delta of 0 minutes to system time. 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 Huge Pages File System... 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 Huge Pages File System. Failed to mount RPC Pipe File System. See 'systemctl status run-rpc_pipefs.mount' for details. 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. Reached target NFS client services. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... Started Journal Service. Mounted FUSE Control File System. Mounted Kernel Configuration File System. Finished Load/Save Random Seed. Finished Create System Users. Finished Apply Kernel Variables. Starting Flush Journal to Persistent Storage... 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 Preprocess NFS configuration. Started Rule-based Manager for Device Events and Files. Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... 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... scsi host1: ata_piix scsi host2: ata_piix Linux agpgart interface v0.103 ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc140 irq 14 lpm-pol 0 ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc148 irq 15 lpm-pol 0 Starting LSB: OpenIPMI Driver init script... Starting System Logging Service... Starting User Login Management... Finished Helper to synchronize boot up for ifupdown. Starting Raise network interfaces... scsi 0:0:0:0: Attached scsi generic sg0 type 0 ata2: found unknown device (class 0) ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100 scsi 2:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5 input: PC Speaker as /devices/platform/pcspkr/input/input3 Found device /dev/ttyS0. Finished Raise network interfaces. IPMI message handler: version 39.2 Started System Logging Service. Started User Login Management. Reached target Network. Reached target Hardware activated USB gadget. Starting LSB: Load kernel image with kexec... Starting LKP bootstrap... Starting /etc/rc.local Compatibility... Starting OpenBSD Secure Shell server... Starting Permit User Sessions... LKP: ttyS0: 291: skip deploy intel ucode as no ucode is specified Finished Permit User Sessions. sr 2:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray cdrom: Uniform CD-ROM driver Revision: 3.20 Started LSB: Load kernel image with kexec. Started LKP bootstrap. Started OpenBSD Secure Shell server. sr 2:0:0:0: Attached scsi CD-ROM sr0 sr 2:0:0:0: Attached scsi generic sg1 type 5 parport_pc 00:03: reported by Plug and Play ACPI parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE] sd 0:0:0:0: [sda] 16384 512-byte logical blocks: (8.39 MB/8.00 MiB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Mode Sense: 73 00 10 08 Failed to start LSB: OpenIPMI Driver init script. See 'systemctl status openipmi.service' for details. sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA sd 0:0:0:0: [sda] permanent stream count = 5 LKP: ttyS0: 291: Kernel tests: Boot OK! LKP: ttyS0: 291: HOSTNAME vm-snb, MAC 52:54:00:12:34:56, kernel 6.18.0-rc1-00014-gb079d9379652 1 sd 0:0:0:0: [sda] Preferred minimum I/O size 512 bytes sd 0:0:0:0: [sda] Optimal transfer size 524288 bytes sd 0:0:0:0: [sda] Attached SCSI disk LKP: ttyS0: 291: /lkp/lkp/src/bin/run-lkp /lkp/jobs/scheduled/vm-meta-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-0.yaml is_virt=true lkp: kernel tainted state: 4 LKP: stdout: 291: Kernel tests: Boot OK! LKP: stdout: 291: HOSTNAME vm-snb, MAC 52:54:00:12:34:56, kernel 6.18.0-rc1-00014-gb079d9379652 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 LKP: stdout: 291: /lkp/lkp/src/bin/run-lkp /lkp/jobs/scheduled/vm-meta-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-0.yaml RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-tracing/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-062-20251022/clang-20/b079d93796528053cde322f2ca838c2d21c297e7/0 job=/lkp/jobs/scheduled/vm-meta-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-0.yaml result_service: raw_upload, RESULT_MNT: /internal-lkp-server/result, RESULT_ROOT: /internal-lkp-server/result/rcutorture/300s-cpuhotplug-tasks-tracing/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-062-20251022/clang-20/b079d93796528053cde322f2ca838c2d21c297e7/0, TMP_RESULT_ROOT: /tmp/lkp/result run-job /lkp/jobs/scheduled/vm-meta-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-0.yaml /usr/bin/wget -nv --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-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-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 2025-10-23 20:24:52 depmod 2025-10-23 20:24:51 URL:http://internal-lkp-server/~lkp/cgi-bin/lkp-jobfile-append-var?job_file=/lkp/jobs/scheduled/vm-meta-82/rcutorture-300s-cpuhotplug-tasks-tracing-debian-11.1-i386-20220923.cgz-i386-randconfig-062-20251022-b079d9379652-20251024-19980-gcft3g-0.yaml&job_state=running [0/0] -> "/dev/null" [1] torture module --- tasks-tracing: disable_onoff_at_boot=0 ftrace_dump_at_shutdown=0 verbose_sleep_frequency=0 verbose_sleep_duration=1 random_shuffle=0 tasks-tracing-torture:--- Start of test: nreaders=1 nfakewriters=4 stat_interval=60 verbose=1 test_no_idle_hz=1 shuffle_interval=3 stutter=5 irqreader=1 fqs_duration=0 fqs_holdoff=0 fqs_stutter=3 test_boost=1/0 test_boost_interval=7 test_boost_duration=4 test_boost_holdoff=0 shutdown_secs=0 stall_cpu=0 stall_cpu_holdoff=10 stall_cpu_irqsoff=0 stall_cpu_block=0 stall_cpu_repeat=0 n_barrier_cbs=0 onoff_interval=3 onoff_holdoff=30 read_exit_delay=13 read_exit_burst=16 reader_flavor=1 nocbs_nthreads=0 nocbs_toggle=1000 test_nmis=0 preempt_duration=0 preempt_interval=1000 n_up_down=32 tasks-tracing: Start-test grace-period state: g12 f0x0 rcu_torture_write_types: Testing expedited GPs. rcu_torture_write_types: Testing asynchronous GPs. rcu_torture_write_types: Testing normal GPs. rcu_torture_write_types: Testing 3 update types. rcu_torture_write_types: gp_cond_wi 160000 gp_cond_wi_exp 128 gp_poll_wi 160000 gp_poll_wi_exp 128 tasks-tracing-torture: Creating rcu_torture_fakewriter task tasks-tracing-torture: Creating rcu_torture_fakewriter task tasks-tracing-torture: rcu_torture_fakewriter task started tasks-tracing-torture: Creating rcu_torture_fakewriter task tasks-tracing-torture: rcu_torture_fakewriter task started tasks-tracing-torture: Creating rcu_torture_fakewriter task tasks-tracing-torture: rcu_torture_fakewriter task started tasks-tracing-torture: Creating rcu_torture_reader task tasks-tracing-torture: rcu_torture_fakewriter task started tasks-tracing-torture: Creating rcu_torture_writer task tasks-tracing-torture: rcu_torture_reader task started tasks-tracing-torture: rcu_torture_updown_init: Disabling up/down reader tests due to lack of primitives tasks-tracing-torture: Creating rcu_torture_stats task tasks-tracing-torture: rcu_torture_writer task started tasks-tracing-torture: Creating torture_shuffle task tasks-tracing-torture: rcu_torture_stats task started tasks-tracing-torture: Creating torture_stutter task tasks-tracing-torture: torture_shuffle task started tasks-tracing-torture: Creating torture_onoff task tasks-tracing-torture: torture_stutter task started tasks-tracing-torture: Creating rcu_torture_fwd_prog task tasks-tracing-torture: torture_onoff task started tasks-tracing-torture: torture_onoff begin holdoff tasks-tracing-torture: Creating rcu_torture_read_exit task tasks-tracing-torture: rcu_torture_fwd_progress task started tasks-tracing-torture: rcu_torture_read_exit: Start of test tasks-tracing-torture: rcu_torture_read_exit: Start of episode 2025-10-23 20:25:29 sleep 300 tasks-tracing-torture: rcu_torture_read_exit: End of episode tasks-tracing-torture: rcu_torture_read_exit: Start of episode tasks-tracing-torture: rcu_torture_read_exit: End of episode tasks-tracing-torture: torture_onoff end holdoff smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 tasks-tracing-torture: rcu_torture_read_exit: Start of episode smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline tasks-tracing-torture: rcu_torture_read_exit: End of episode smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 tasks-tracing-torture: rcu_torture_read_exit: Start of episode tasks-tracing-torture: rcu_torture_read_exit: End of episode smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 smpboot: CPU 1 is now offline rcu_torture_fwd_prog: Starting forward-progress test 0 rcu_torture_fwd_prog_cr: Starting forward-progress test 0 smpboot: Booting Node 0 Processor 1 APIC 0x1 Masked ExtINT on CPU#1 ============================================ WARNING: possible recursive locking detected 6.18.0-rc1-00014-gb079d9379652 #1 Tainted: G S -------------------------------------------- migration/1/21 is trying to acquire lock: ee7f1930 (&rq->__lock){-.-.}-{2:2}, at: set_cpus_allowed_force+0x3c/0xc0 but task is already holding lock: ee7f1930 (&rq->__lock){-.-.}-{2:2}, at: cpu_stopper_thread+0x93/0x170 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 2 locks held by migration/1/21: #0: b92d06dc (&p->pi_lock){-.-.}-{2:2}, at: __balance_push_cpu_stop+0x28/0x2b0 #1: ee7f1930 (&rq->__lock){-.-.}-{2:2}, at: cpu_stopper_thread+0x93/0x170 stack backtrace: CPU: 1 UID: 0 PID: 21 Comm: migration/1 Tainted: G S 6.18.0-rc1-00014-gb079d9379652 #1 NONE 6d63d2e836521c1c681a07c673117fb98e4815ab Tainted: [S]=CPU_OUT_OF_SPEC 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+0x0/0x2b0 <- finish_lock_switch+0x7d/0xd0 Call Trace: ? dump_stack_lvl+0xa4/0xdc ? print_deadlock_bug+0x2df/0x300 ? __lock_acquire+0x268c/0x2ce0 ? __lock_acquire+0x601/0x2ce0 ? __lock_acquire+0x601/0x2ce0 ? lock_acquire+0xc3/0x1f0 ? set_cpus_allowed_force+0x3c/0xc0 ? lock_acquire+0xc3/0x1f0 ? __task_rq_lock+0x73/0x1d0 ? set_cpus_allowed_force+0x3c/0xc0 ? set_cpus_allowed_force+0x3c/0xc0 ? __balance_push_cpu_stop+0x136/0x2b0 ? select_fallback_rq+0x148/0x230 ? __balance_push_cpu_stop+0x163/0x2b0 ? cpu_stopper_thread+0x93/0x170 ? raw_spin_rq_lock_nested+0xb0/0xb0 ? smpboot_thread_fn+0x11b/0x260 ? kthread+0x2ef/0x330 ? trace_hardirqs_on+0x76/0xe0 ? kthreadd+0x2a0/0x2a0 ? __smpboot_create_thread+0x1c0/0x1c0 ? schedule_tail+0xa6/0x100 ? kthreadd+0x2a0/0x2a0 ? kthreadd+0x2a0/0x2a0 ? ret_from_fork+0x1cd/0x290 ? kthreadd+0x2a0/0x2a0 ? ret_from_fork_asm+0x12/0x18 ? entry_INT80_32+0xf0/0xf0 tasks-tracing-torture: rtc: efe417c4 ver: 430 tfle: 0 rta: 430 rtaf: 0 rtf: 417 rtmbe: 0 rtmbkf: 0/0 rtbe: 0 rtbke: 0 rtbf: 0 rtb: 0 nt: 1085 onoff: 92/92:92/93 1,41:1,36 746:781 (HZ=100) barrier: 0/0:0 read-exits: 64 nocb-toggles: 0:0 gpwraps: 0 tasks-tracing-torture: Reader Pipe: 19573618 44 0 0 0 0 0 0 0 0 0 tasks-tracing-torture: Reader Batch: 19573662 0 0 0 0 0 0 0 0 0 0 tasks-tracing-torture: Free-Block Circulation: 429 429 428 426 425 424 421 419 418 417 0 BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 32s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=5 in-flight: 169:vmstat_shepherd ,177:work_for_cpu_fn BAR(698) pending: e1000_watchdog workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: crng_reseed workqueue events_power_efficient: flags=0x182 pwq 8: cpus=0-1 flags=0x4 nice=0 active=5 refcnt=6 pending: 2*neigh_managed_work, 2*neigh_periodic_work, check_lifetime workqueue events_freezable_pwr_efficient: flags=0x186 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: disk_events_workfn workqueue kvfree_rcu_reclaim: flags=0xa pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 pending: 2*kfree_rcu_monitor workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2 pending: blk_mq_timeout_work 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=32s workers=4 idle: 9 11 Showing backtraces of running workers in stalled CPU-bound worker pools: Kboot worker: lkp-worker08 Elapsed time: 180 kvm=( qemu-system-x86_64 -enable-kvm -cpu SandyBridge -kernel $kernel -initrd initrd-vm-meta-82.cgz -m 16384 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::32032-:22 -boot order=nc -no-reboot -device i6300esb -device pci-testdev -watchdog-action debug -rtc base=localtime -serial stdio -display none -monitor null ) append=( ip=::::vm-meta-82::dhcp root=/dev/ram0 RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-tracing/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-062-20251022/clang-20/b079d93796528053cde322f2ca838c2d21c297e7/0 BOOT_IMAGE=/pkg/linux/i386-randconfig-062-20251022/clang-20/b079d93796528053cde322f2ca838c2d21c297e7/vmlinuz-6.18.0-rc1-00014-gb079d9379652 branch=linux-next/master job=/job-script user=lkp ARCH=i386 kconfig=i386-randconfig-062-20251022 commit=b079d93796528053cde322f2ca838c2d21c297e7 mem=4G intremap=posted_msi vmalloc=256M initramfs_async=0 page_owner=on carrier_timeout=60 rcupdate.rcu_self_test=0 max_uptime=7200 result_service=tmpfs selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw mem=4G rcuperf.shutdown=0 rcuscale.shutdown=0 refscale.shutdown=0 watchdog_thresh=240 audit=0 kunit.enable=0 ia32_emulation=on ) "${kvm[@]}" -append "${append[*]}"