early console in setup code early console in extract_kernel input_data: 0x033a6079 input_len: 0x00b1d4d5 output: 0x01000000 output_len: 0x0253a63c kernel_total_size: 0x02ed9000 needed_size: 0x02ed9000 Decompressing Linux... Parsing ELF... done. Booting the kernel (entry_offset: 0x013d9bf0). Linux version 6.16.0-rc6-00086-g8671bad873eb (kbuild@e208fbeda63a) (gcc-12 (Debian 12.4.0-5) 12.4.0, GNU ld (GNU Binutils for Debian) 2.44) #1 PREEMPT_DYNAMIC Thu Sep 4 22:08:24 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 kvm-clock: Using msrs 4b564d01 and 4b564d00 kvm-clock: using sched offset of 2636999660 cycles clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns tsc: Detected 2593.904 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 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 initial memory mapped: [mem 0x00000000-0x043fffff] RAMDISK: [mem 0x77ea4000-0x7fffffff] Allocated new RAMDISK: [mem 0x66aa2000-0x6ebfd523] Move RAMDISK from [mem 0x77ea4000-0x7ffff523] to [mem 0x66aa2000-0x6ebfd523] 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 ffffc000 ( fee00000) 1299MB HIGHMEM available. 1771MB LOWMEM available. mapped low ram: 0 - 6ebfe000 low ram: 0 - 6ebfe000 Zone ranges: DMA [mem 0x0000000000001000-0x0000000000ffffff] Normal [mem 0x0000000001000000-0x000000006ebfdfff] HighMem [mem 0x000000006ebfe000-0x00000000bffdffff] 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 CPU topo: CPU limit of 1 reached. Ignoring further CPUs 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: 1 CPU topo: Num. threads per package: 1 CPU topo: Allowing 1 present CPUs plus 0 hotplug CPUs CPU topo: Rejected CPUs 1 mapped IOAPIC to ffffb000 (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: 1910969940391419 ns No bootconfig data provided, so skipping bootconfig pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 pcpu-alloc: [0] 0 Kernel command line: ip=::::vm-meta-72::dhcp root=/dev/ram0 RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-rude/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-017-20250830/gcc-12/8671bad873ebeb082afcf7b4501395c374da6023/106 BOOT_IMAGE=/pkg/linux/i386-randconfig-017-20250830/gcc-12/8671bad873ebeb082afcf7b4501395c374da6023/vmlinuz-6.16.0-rc6-00086-g8671bad873eb branch=linux-devel/devel-hourly-20250829-225530 job=/lkp/jobs/scheduled/vm-meta-72/rcutorture-300s-cpuhotplug-tasks-rude-debian-11.1-i386-20220923.cgz-i386-randconfig-017-20250830-8671bad873eb-20250904-293224-li1qj5-74.yaml user=lkp ARCH=i386 kconfig=i386-randconfig-017-20250830 commit=8671bad873ebeb082afcf7b4501395c374da6023 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= sysrq: sysrq always enabled. ignoring the deprecated load_ramdisk= option audit: disabled (until reboot) Unknown kernel command line parameters "RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-rude/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-017-20250830/gcc-12/8671bad873ebeb082afcf7b4501395c374da6023/106 BOOT_IMAGE=/pkg/linux/i386-randconfig-017-20250830/gcc-12/8671bad873ebeb082afcf7b4501395c374da6023/vmlinuz-6.16.0-rc6-00086-g8671bad873eb branch=linux-devel/devel-hourly-20250829-225530 job=/lkp/jobs/scheduled/vm-meta-72/rcutorture-300s-cpuhotplug-tasks-rude-debian-11.1-i386-20220923.cgz-i386-randconfig-017-20250830-8671bad873eb-20250904-293224-li1qj5-74.yaml user=lkp ARCH=i386 kconfig=i386-randconfig-017-20250830 commit=8671bad873ebeb082afcf7b4501395c374da6023 intremap=posted_msi max_uptime=7200 LKP_SERVER=internal-lkp-server selinux=0 prompt_ramdisk=0 vga=normal ia32_emulation=on", will be passed to user space. printk: log buffer data + meta data: 1048576 + 3276800 = 4325376 bytes Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes, linear) Inode-cache hash table entries: 131072 (order: 7, 524288 bytes, linear) Built 1 zonelists, mobility grouping on. Total pages: 786302 allocated 53544764 bytes of page_ext mem auto-init: stack:all(pattern), heap alloc:off, 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: 131072 (order: 8, 1048576 bytes, linear) Checking if this processor honours the WP bit even in supervisor mode...Ok. SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 Node 0, zone DMA: page owner found early allocated 0 pages Node 0, zone Normal: page owner found early allocated 12 pages Node 0, zone HighMem: page owner found early allocated 0 pages ftrace: allocating 58556 entries in 115 pages ftrace: allocated 115 pages with 5 groups Dynamic Preempt: full Running RCU self tests Running RCU synchronous self tests rcu: Preemptible hierarchical RCU implementation. rcu: RCU event tracing is enabled. rcu: RCU lockdep checking is enabled. rcu: RCU strict (and thus non-scalable) grace periods are enabled. rcu: Build-time adjustment of leaf fanout to 2. rcu: RCU priority boosting: priority 1 delay 500 ms. rcu: Boot-time adjustment of first FQS scan delay to 0 jiffies. 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 100 jiffies. Running RCU synchronous self tests RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. RCU Tasks Rude: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. RCU Tasks Trace: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. NR_IRQS: 2304, nr_irqs: 48, 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 serial port 0 not yet initialized 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: 4125 kB memory used for stack traces: 2112 kB per task-struct memory footprint: 2112 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: 0x2563bd843df, max_idle_ns: 440795257314 ns Calibrating delay loop (skipped) preset value.. 5187.80 BogoMIPS (lpj=2593904) Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 CPU: Intel Xeon E312xx (Sandy Bridge) (family: 0x6, model: 0x2a, stepping: 0x1) Speculative Store Bypass: Vulnerable 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. pid_max: default: 32768 minimum: 301 LSM: initializing lsm=capability,yama,loadpin,ipe Yama: becoming mindful. LoadPin: ready to pin (currently not enforcing) Mount-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) Mountpoint-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) Running RCU synchronous self tests Running RCU synchronous self tests 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 400. workqueue: strict_work_handler hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND workqueue: strict_work_handler hogged CPU for >10000us 5 times, consider switching to WQ_UNBOUND workqueue: strict_work_handler hogged CPU for >10000us 7 times, consider switching to WQ_UNBOUND workqueue: strict_work_handler hogged CPU for >10000us 11 times, consider switching to WQ_UNBOUND dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build NMI watchdog: Perf NMI watchdog permanently disabled Memory: 2883632K/3145208K available (20327K kernel code, 7850K rwdata, 8476K rodata, 1248K init, 7644K bss, 258432K reserved, 0K cma-reserved, 1331080K highmem) 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: 1911260446275000 ns posixtimers hash table entries: 512 (order: 2, 24576 bytes, linear) futex hash table entries: 256 (15360 bytes on 1 NUMA nodes, total 15 KiB, linear). pinctrl core: initialized pinctrl subsystem pinctrl core: failed to create debugfs directory Callback from call_rcu_tasks_trace() invoked. NET: Registered PF_NETLINK/PF_ROUTE protocol family workqueue: strict_work_handler hogged CPU for >10000us 19 times, consider switching to WQ_UNBOUND thermal_sys: Registered thermal governor 'fair_share' thermal_sys: Registered thermal governor 'bang_bang' thermal_sys: Registered thermal governor 'user_space' EISA bus registered cpuidle: using governor ladder NET: Registered PF_QIPCRTR protocol family PCI: PCI BIOS revision 2.10 entry at 0xfd1d9, last bus=0 PCI: Using configuration type 1 for base access kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. workqueue: round-robin CPU selection forced, expect performance impact Callback from call_rcu_tasks() invoked. raid6: sse2x2 gen() 9427 MB/s raid6: sse2x1 gen() 6884 MB/s raid6: sse1x2 gen() 3496 MB/s raid6: sse1x1 gen() 3306 MB/s raid6: using algorithm sse2x2 gen() 9427 MB/s raid6: .... xor() 5648 MB/s, rmw enabled raid6: using ssse3x1 recovery algorithm 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 ACPI: Enabled 2 GPEs in block 00 to 0F workqueue: strict_work_handler hogged CPU for >10000us 35 times, consider switching to WQ_UNBOUND 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 0000:00:02.0: pci_fixup_video+0x0/0x100 took 35156 usecs 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: Translated iommu: DMA domain TLB invalidation policy: lazy mode SCSI subsystem initialized mc: Linux media interface: v0.10 videodev: Linux video capture interface: v2.00 cec: Failed to create debugfs cec dir pps_core: LinuxPPS API ver. 1 registered pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti FPGA manager framework Advanced Linux Sound Architecture Driver Initialized. 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) Could not create 'lock_event_counts' debugfs entries clocksource: Switched to clocksource kvm-clock hrtimer: interrupt took 3711453 ns Warning: could not register annotated branches stats 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 workqueue: strict_work_handler hogged CPU for >10000us 67 times, consider switching to WQ_UNBOUND mdacon: MDA with 8K of memory detected. Console: switching consoles 13-16 to MDA-2 PM-Timer running at invalid rate: 189% of normal - aborting. NET: Registered PF_INET protocol family IP idents hash table entries: 32768 (order: 6, 262144 bytes, linear) tcp_listen_portaddr_hash hash table entries: 1024 (order: 3, 49152 bytes, linear) Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) TCP established hash table entries: 16384 (order: 4, 65536 bytes, linear) TCP bind hash table entries: 16384 (order: 8, 1572864 bytes, linear) TCP: Hash tables configured (established 16384 bind 16384) UDP hash table entries: 1024 (order: 5, 180224 bytes, linear) UDP-Lite hash table entries: 1024 (order: 5, 180224 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 0000:00:01.0: PIIX3: Enabling Passive Release pci 0000:00:00.0: quirk_passive_release+0x0/0xa0 took 56171 usecs pci 0000:00:00.0: Limiting direct PCI/PCI transfers pci 0000:00:01.0: Activating ISA DMA hang workarounds pci 0000:00:01.0: quirk_isa_dma_hangs+0x0/0x50 took 16420 usecs PCI: CLS 0 bytes, default 64 Unpacking initramfs... workqueue: delayed_fput hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND workqueue: delayed_fput hogged CPU for >10000us 5 times, consider switching to WQ_UNBOUND workqueue: delayed_fput hogged CPU for >10000us 7 times, consider switching to WQ_UNBOUND workqueue: delayed_fput hogged CPU for >10000us 11 times, consider switching to WQ_UNBOUND workqueue: delayed_fput hogged CPU for >10000us 19 times, consider switching to WQ_UNBOUND workqueue: strict_work_handler hogged CPU for >10000us 131 times, consider switching to WQ_UNBOUND workqueue: delayed_fput hogged CPU for >10000us 35 times, consider switching to WQ_UNBOUND workqueue: delayed_fput hogged CPU for >10000us 67 times, consider switching to WQ_UNBOUND workqueue: strict_work_handler hogged CPU for >10000us 259 times, consider switching to WQ_UNBOUND workqueue: delayed_fput hogged CPU for >10000us 131 times, consider switching to WQ_UNBOUND workqueue: strict_work_handler hogged CPU for >10000us 515 times, consider switching to WQ_UNBOUND kworker/0:0 (9) used greatest stack depth: 6104 bytes left workqueue: delayed_fput hogged CPU for >10000us 259 times, consider switching to WQ_UNBOUND workqueue: strict_work_handler hogged CPU for >10000us 1027 times, consider switching to WQ_UNBOUND kworker/0:2 (18) used greatest stack depth: 5940 bytes left workqueue: delayed_fput hogged CPU for >10000us 515 times, consider switching to WQ_UNBOUND INFO: task swapper/0:1 blocked for more than 491 seconds. Not tainted 6.16.0-rc6-00086-g8671bad873eb #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:swapper/0 state:D stack:5016 pid:1 tgid:1 ppid:0 task_flags:0x0140 flags:0x00004000 Call Trace: __schedule+0x43e/0x940 schedule+0x58/0x190 async_synchronize_cookie_domain+0xa5/0xf0 ? do_wait_intr+0xd0/0xd0 wait_for_initramfs+0xb0/0xc0 populate_rootfs+0x4d/0x60 do_one_initcall+0xf7/0x570 ? initramfs_async_setup+0x20/0x20 do_initcalls+0xcc/0x170 kernel_init_freeable+0xd1/0x160 ? rest_init+0x190/0x190 kernel_init+0x17/0x1b0 ret_from_fork+0x1c5/0x210 ? rest_init+0x190/0x190 ret_from_fork_asm+0x12/0x20 entry_INT80_32+0x124/0x124 Showing all locks held in the system: 1 lock held by khungtaskd/26: #0: 830cce10 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x13/0x230 4 locks held by kworker/u4:2/29: 2 locks held by kworker/0:3/38: ============================================= Kernel panic - not syncing: hung_task: blocked tasks CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.16.0-rc6-00086-g8671bad873eb #1 PREEMPT(full) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0x23/0xc0 dump_stack+0xd/0x20 panic+0x2df/0x340 check_hung_uninterruptible_tasks+0x4ba/0x620 watchdog+0x97/0xa0 kthread+0x156/0x2a0 ? check_hung_uninterruptible_tasks+0x620/0x620 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1c5/0x210 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork_asm+0x12/0x20 entry_INT80_32+0x124/0x124 Kboot worker: lkp-worker15 Elapsed time: 1080 kvm=( qemu-system-x86_64 -enable-kvm -cpu SandyBridge -kernel $kernel -initrd initrd-vm-meta-72.cgz -m 16384 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::32032-:22 -boot order=nc -no-reboot -device i6300esb -device pci-testdev -watchdog-action debug -rtc base=localtime -serial stdio -display none -monitor null ) append=( ip=::::vm-meta-72::dhcp root=/dev/ram0 RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-rude/vm-snb/debian-11.1-i386-20220923.cgz/i386-randconfig-017-20250830/gcc-12/8671bad873ebeb082afcf7b4501395c374da6023/106 BOOT_IMAGE=/pkg/linux/i386-randconfig-017-20250830/gcc-12/8671bad873ebeb082afcf7b4501395c374da6023/vmlinuz-6.16.0-rc6-00086-g8671bad873eb branch=linux-devel/devel-hourly-20250829-225530 job=/job-script user=lkp ARCH=i386 kconfig=i386-randconfig-017-20250830 commit=8671bad873ebeb082afcf7b4501395c374da6023 mem=4G intremap=posted_msi vmalloc=256M initramfs_async=0 page_owner=on carrier_timeout=60 rcupdate.rcu_self_test=0 max_uptime=7200 result_service=tmpfs selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw mem=4G rcuperf.shutdown=0 rcuscale.shutdown=0 refscale.shutdown=0 watchdog_thresh=240 audit=0 kunit.enable=0 ia32_emulation=on ) "${kvm[@]}" -append "${append[*]}"