early console in setup code
Linux version 6.15.0-rc6-00373-g287f9245fe10 (kbuild@3ebebe1f7244) (gcc-12 (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT Mon May 19 15:26:54 CST 2025
Command line: ip=::::vm-meta-225::dhcp root=/dev/ram0 RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-rude/vm-snb/debian-12-x86_64-20240206.cgz/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/0 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/vmlinuz-6.15.0-rc6-00373-g287f9245fe10 branch=linux-devel/devel-hourly-20250518-140315 job=/lkp/jobs/scheduled/vm-meta-225/rcutorture-300s-cpuhotplug-tasks-rude-debian-12-x86_64-20240206.cgz-x86_64-randconfig-001-20250518-287f9245fe10-20250519-65232-9rr9ws-1.yaml user=lkp ARCH=x86_64 kconfig=x86_64-randconfig-001-20250518 commit=287f9245fe1003a1cdb1462ad7a7da1f33622d91 intremap=posted_msi vmalloc=256M initramfs_async=0 page_owner=on carrier_timeout=60 rcupdate.rcu_self_test=0 max_uptime=1200 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
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 1.16.2-debian-1.16.2-1 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 499870819 cycles
clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
tsc: Detected 2194.916 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 0x000f5ba0-0x000f5baf]
mpc: f5bb0-f5c80
RAMDISK: [mem 0x72395000-0x7fffffff]
ACPI: Early table checksum verification disabled
ACPI: RSDP 0x00000000000F59B0 000014 (v00 BOCHS )
ACPI: RSDT 0x00000000BFFE1B56 000034 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: FACP 0x00000000BFFE1A02 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: DSDT 0x00000000BFFE0040 0019C2 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: FACS 0x00000000BFFE0000 000040
ACPI: APIC 0x00000000BFFE1A76 000080 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: HPET 0x00000000BFFE1AF6 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: WAET 0x00000000BFFE1B2E 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: Reserving FACP table memory at [mem 0xbffe1a02-0xbffe1a75]
ACPI: Reserving DSDT table memory at [mem 0xbffe0040-0xbffe1a01]
ACPI: Reserving FACS table memory at [mem 0xbffe0000-0xbffe003f]
ACPI: Reserving APIC table memory at [mem 0xbffe1a76-0xbffe1af5]
ACPI: Reserving HPET table memory at [mem 0xbffe1af6-0xbffe1b2d]
ACPI: Reserving WAET table memory at [mem 0xbffe1b2e-0xbffe1b55]
Mapped APIC to ffffffffff5fd000 ( fee00000)
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:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
percpu: Embedded 543 pages/cpu s2098904 r8192 d117032 u4194304
pcpu-alloc: s2098904 r8192 d117032 u4194304 alloc=2*2097152
pcpu-alloc: [0] 0 [0] 1
Kernel command line: ip=::::vm-meta-225::dhcp root=/dev/ram0 RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-rude/vm-snb/debian-12-x86_64-20240206.cgz/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/0 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/vmlinuz-6.15.0-rc6-00373-g287f9245fe10 branch=linux-devel/devel-hourly-20250518-140315 job=/lkp/jobs/scheduled/vm-meta-225/rcutorture-300s-cpuhotplug-tasks-rude-debian-12-x86_64-20240206.cgz-x86_64-randconfig-001-20250518-287f9245fe10-20250519-65232-9rr9ws-1.yaml user=lkp ARCH=x86_64 kconfig=x86_64-randconfig-001-20250518 commit=287f9245fe1003a1cdb1462ad7a7da1f33622d91 intremap=posted_msi vmalloc=256M initramfs_async=0 page_owner=on carrier_timeout=60 rcupdate.rcu_self_test=0 max_uptime=1200 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
Unknown kernel command line parameters "RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-rude/vm-snb/debian-12-x86_64-20240206.cgz/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/0 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/vmlinuz-6.15.0-rc6-00373-g287f9245fe10 branch=linux-devel/devel-hourly-20250518-140315 job=/lkp/jobs/scheduled/vm-meta-225/rcutorture-300s-cpuhotplug-tasks-rude-debian-12-x86_64-20240206.cgz-x86_64-randconfig-001-20250518-287f9245fe10-20250519-65232-9rr9ws-1.yaml user=lkp ARCH=x86_64 kconfig=x86_64-randconfig-001-20250518 commit=287f9245fe1003a1cdb1462ad7a7da1f33622d91 intremap=posted_msi vmalloc=256M max_uptime=1200 LKP_SERVER=internal-lkp-server selinux=0 nmi_watchdog=panic prompt_ramdisk=0 vga=normal audit=0 riscv_isa_fallback=1", 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.
Built 1 zonelists, mobility grouping on. Total pages: 4194174
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: 1048576 (order: 12, 16777216 bytes, linear)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
allocated 301989888 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 73856 pages
Kernel/User page tables isolation: enabled
Running RCU self tests
Running RCU synchronous self tests
rcu: Hierarchical RCU implementation.
rcu: RCU lockdep checking is enabled.
rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=2.
rcu: RCU callback double-/use-after-free debug is enabled.
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: 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: 6941 kB
memory used for stack traces: 4224 kB
per task-struct memory footprint: 2688 bytes
ACPI: Core revision 20240827
clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
APIC: Switch to symmetric I/O mode setup
x2apic enabled
APIC: Switched APIC routing to: physical x2apic
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: 0x1fa3704c1a9, max_idle_ns: 440795296692 ns
Calibrating delay loop (skipped) preset value.. 4391.74 BogoMIPS (lpj=7316386)
Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
Speculative Store Bypass: Vulnerable
ITS: Vulnerable
Spectre V2 : Mitigation: Retpolines
MDS: Vulnerable: Clear CPU buffers attempted, no microcode
Spectre V1 : Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers
Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT
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: 28K
pid_max: default: 32768 minimum: 301
LSM: initializing lsm=capability,landlock,yama,loadpin,evm
landlock: Up and running.
Yama: becoming mindful.
LoadPin: ready to pin (currently not enforcing)
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
dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build
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 (8783.48 BogoMIPS)
Memory: 13680116K/16776696K available (29825K kernel code, 17448K rwdata, 11976K rodata, 3976K init, 15808K bss, 2794304K reserved, 0K cma-reserved)
devtmpfs: initialized
x86/mm: Memory block size: 128MB
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 (order: 4, 65536 bytes, linear)
NET: Registered PF_NETLINK/PF_ROUTE protocol family
Callback from call_rcu_tasks_trace() invoked.
thermal_sys: Registered thermal governor 'step_wise'
thermal_sys: Registered thermal governor 'power_allocator'
cpuidle: using governor ladder
cpuidle: using governor teo
PCI: Using configuration type 1 for base access
kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible.
HugeTLB: allocation took 0ms with hugepage_allocation_threads=1
HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
cryptd: max_cpu_qlen set to 1000
raid6: skipped pq benchmark and selected sse2x4
raid6: using ssse3x2 recovery algorithm
ACPI: Added _OSI(Module Device)
ACPI: Added _OSI(Processor Device)
ACPI: Added _OSI(3.0 _SCP Extensions)
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
Callback from call_rcu_tasks() invoked.
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
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: Translated
iommu: DMA domain TLB invalidation policy: strict mode
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
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
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: 225708K
PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
software IO TLB: mapped [mem 0x00000000bbfe0000-0x00000000bffe0000] (64MB)
RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fa3704c1a9, max_idle_ns: 440795296692 ns
AVX2 instructions are not detected.
AVX2 or AES-NI instructions are not detected.
Initialise system trusted keyrings
Key type blacklist registered
workingset: timestamp_bits=62 max_order=22 bucket_order=0
ntfs3: Enabled Linux POSIX ACLs support
fuse: init (API version 7.43)
9p: Installing v9fs 9p2000 file system support
gfs2: GFS2 installed
xor: automatically using best checksumming function avx
Key type asymmetric registered
Asymmetric key parser 'x509' registered
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
leds_apu: No PC Engines APUv1 board detected. For APUv2,3 support, enable CONFIG_PCENGINES_APU2
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
telclk_interrupt = 0xf non-mcpbl0010 hw.
dummy-irq: no IRQ given. Use irq=N
Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti
SSFDC read-only Flash Translation layer
slram: not enough parameters.
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
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
input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
apanel: Fujitsu BIOS signature 'FJKEYINF' not found...
pps_ldisc: PPS line discipline registered
Driver for 1-wire Dallas network protocol.
f71882fg: Not a Fintek device
f71882fg: Not a Fintek device
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
0000000000000000000000000000000000000000000000000000000008000000
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, 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(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 (38960022627, 99320798)->(39083315417, -23971992)
Loading compiled-in X.509 certificates
Btrfs loaded, zoned=no, fsverity=yes
Key type big_key registered
Key type encrypted registered
evm: Initialising EVM extended attributes:
evm: security.selinux (disabled)
evm: security.SMACK64 (disabled)
evm: security.SMACK64EXEC (disabled)
evm: security.SMACK64TRANSMUTE (disabled)
evm: security.SMACK64MMAP (disabled)
evm: security.apparmor (disabled)
evm: security.ima (disabled)
evm: security.capability
evm: HMAC attrs: 0x1
evm: Error registering secfs
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-225, domain=, nis-domain=(none)
bootserver=10.0.2.2, rootserver=10.0.2.2, rootpath=
nameserver0=10.0.2.3
Freeing unused kernel image (initmem) memory: 3976K
Write protecting the kernel read-only data: 43008k
Freeing unused kernel image (text/rodata gap) memory: 892K
Freeing unused kernel image (rodata/data gap) memory: 312K
Run /init as init process
with arguments:
/init
with environment:
HOME=/
TERM=linux
RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-rude/vm-snb/debian-12-x86_64-20240206.cgz/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/0
BOOT_IMAGE=/pkg/linux/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/vmlinuz-6.15.0-rc6-00373-g287f9245fe10
branch=linux-devel/devel-hourly-20250518-140315
job=/lkp/jobs/scheduled/vm-meta-225/rcutorture-300s-cpuhotplug-tasks-rude-debian-12-x86_64-20240206.cgz-x86_64-randconfig-001-20250518-287f9245fe10-20250519-65232-9rr9ws-1.yaml
user=lkp
ARCH=x86_64
kconfig=x86_64-randconfig-001-20250518
commit=287f9245fe1003a1cdb1462ad7a7da1f33622d91
intremap=posted_msi
vmalloc=256M
max_uptime=1200
LKP_SERVER=internal-lkp-server
selinux=0
nmi_watchdog=panic
prompt_ramdisk=0
vga=normal
audit=0
riscv_isa_fallback=1
systemd[1]: RTC configured in localtime, applying delta of 0 minutes to system time.
LoadPin: mnt_sb lacks block device, treating as: writable
LoadPin: kernel-module pinned obj="/lib/modules/6.15.0-rc6-00373-g287f9245fe10/kernel/fs/autofs/autofs4.ko" pid=1 cmdline="/init"
systemd[1]: Inserted module 'autofs4'
Welcome to Debian GNU/Linux 12 (bookworm)!
Created slice system-getty.slice - Slice /system/getty.
Created slice user.slice - User and Session Slice.
Reached target paths.target - Path Units.
Reached target slices.target - Slice Units.
Reached target swap.target - Swaps.
Listening on systemd-journald.socket - Journal Socket.
Mounting dev-hugepages.mount - Huge Pages File System...
Starting modprobe@drm.service - Load Kernel Module drm...
device-mapper: ioctl: 4.49.0-ioctl (2025-01-17) initialised: dm-devel@lists.linux.dev
Starting modpr[ 41.930973][ T101] ACPI: bus type drm_connector registered
Starting systemd-journald.service - Journal Service...
Mounted dev-hugepages.mount - Huge Pages File System.
Finished modprobe@drm.service - Load Kernel Module drm.
Finished modprobe@fuse.service - Load Kernel Module fuse.
Finished modprobe@loop.service - Load Kernel Module loop.
Started systemd-journald.service - Journal Service.
Finished systemd-sysctl.service - Apply Kernel Variables.
Finished systemd-sysusers.service - Create System Users.
Reached target local-fs.target - Local File Systems.
See 'systemctl status proc-sys-fs-binfmt_misc.mount' for details.
random: crng init done
Mounting run-rpc_pipefs.mount - RPC Pipe File System...
Starting rpcbind.service - RPC bind portmap service...
Started rpcbind.service - RPC bind portmap service.
See 'systemctl status proc-sys-fs-binfmt_misc.mount' for details.
Mounted run-rpc_pipefs.mount - RPC Pipe File System.
See 'systemctl status systemd-binfmt.service' for details.
Reached target rpc_pipefs.target.
Reached target rpcbind.target - RPC Port Mapper.
Reached target nfs-client.target - NFS client services.
Reached target remote-fs.target - Remote File Systems.
Job systemd-udev-trigger.service/start running (4s / no limit)
Reached target sysinit.target - System Initialization.
Started apt-daily.timer - Daily apt download activities.
Started fstrim.timer - Discard unused blocks once a week.
Started logrotate.timer - Daily rotation of log files.
Reached target timers.target - Timer Units.
Reached target sockets.target - Socket Units.
Reached target basic.target - Basic System.
Starting dbus.service - D-Bus System Message Bus...
Started dbus.service - D-Bus System Message Bus.
Starting networking.service - Raise network interfaces...
IPMI message handler: version 39.2
ipmi device interface
ipmi_si: IPMI System Interface driver
Finished networking.service - Raise network interfaces.
ipmi_si: Unable to find any System Interface(s)
See 'systemctl status openipmi.service' for details.
Started systemd-logind.service - User Login Management.
Reached target network.target - Network.
Reached target network-online.target - Network is Online.
Starting lkp-bootstrap.service - LKP bootstrap...
Starting ssh.service - OpenBSD Secure Shell server...
Started lkp-bootstrap.service - LKP bootstrap.
LKP: ttyS0: 222: skip deploy intel ucode as no ucode is specified
Started ssh.service - OpenBSD Secure Shell server.
Warning: Processor Platform Limit event detected, but not handled.
Consider compiling CPUfreq support into your kernel.
LKP: ttyS0: 222: Kernel tests: Boot OK!
LKP: ttyS0: 222: HOSTNAME vm-snb, MAC 52:54:00:12:34:56, kernel 6.15.0-rc6-00373-g287f9245fe10 1
LKP: ttyS0: 222: /lkp/lkp/src/bin/run-lkp /lkp/jobs/scheduled/vm-meta-225/rcutorture-300s-cpuhotplug-tasks-rude-debian-12-x86_64-20240206.cgz-x86_64-randconfig-001-20250518-287f9245fe10-20250519-65232-9rr9ws-1.yaml
torture module --- tasks-rude: disable_onoff_at_boot=0 ftrace_dump_at_shutdown=0 verbose_sleep_frequency=0 verbose_sleep_duration=1 random_shuffle=0
tasks-rude-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
tasks-rude: Start-test grace-period state: g4 f0x0
rcu_torture_write_types: Testing expedited GPs.
rcu_torture_write_types: Testing normal GPs.
rcu_torture_write_types: Testing 2 update types.
rcu_torture_write_types: gp_cond_wi 53333 gp_cond_wi_exp 128 gp_poll_wi 53333 gp_poll_wi_exp 128
tasks-rude-torture: Creating rcu_torture_writer task
tasks-rude-torture: Creating rcu_torture_fakewriter task
tasks-rude-torture: rcu_torture_writer task started
tasks-rude-torture: Creating rcu_torture_fakewriter task
tasks-rude-torture: rcu_torture_fakewriter task started
tasks-rude-torture: Creating rcu_torture_fakewriter task
tasks-rude-torture: rcu_torture_fakewriter task started
tasks-rude-torture: Creating rcu_torture_fakewriter task
tasks-rude-torture: rcu_torture_fakewriter task started
tasks-rude-torture: Creating rcu_torture_reader task
tasks-rude-torture: rcu_torture_fakewriter task started
tasks-rude-torture: Creating rcu_torture_stats task
tasks-rude-torture: rcu_torture_reader task started
tasks-rude-torture: Creating torture_shuffle task
tasks-rude-torture: rcu_torture_stats task started
tasks-rude-torture: Creating torture_stutter task
tasks-rude-torture: torture_shuffle task started
tasks-rude-torture: Creating torture_onoff task
tasks-rude-torture: torture_stutter task started
tasks-rude-torture: Creating rcu_torture_fwd_prog task
tasks-rude-torture: torture_onoff task started
tasks-rude-torture: torture_onoff begin holdoff
tasks-rude-torture: Creating rcu_torture_read_exit task
tasks-rude-torture: rcu_torture_fwd_progress task started
tasks-rude-torture: rcu_torture_read_exit: Start of test
tasks-rude-torture: rcu_torture_read_exit: Start of episode
tasks-rude-torture: rcu_torture_read_exit: End of episode
is_virt=true
lkp: kernel tainted state: 0
LKP: stdout: 222: Kernel tests: Boot OK!
tasks-rude-torture: rcu_torture_read_exit: Start of episode
tasks-rude-torture: rcu_torture_read_exit: End of episode
LKP: stdout: 222: HOSTNAME vm-snb, MAC 52:54:00:12:34:56, kernel 6.15.0-rc6-00373-g287f9245fe10 1
NO_NETWORK=
tasks-rude-torture: torture_onoff end holdoff
smpboot: CPU 1 is now offline
smpboot: Booting Node 0 Processor 1 APIC 0x1
Masked ExtINT on CPU#1
BUG: unable to handle page fault for address: ffffffff8393e998
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 3af1067 P4D 3af1067 PUD 3af2063 PMD 15eb4b163 PTE 800000000393e021
Oops: Oops: 0003 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.15.0-rc6-00373-g287f9245fe10 #1 PREEMPTLAZY
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:clear_feature+0x34/0x5d
Code: 48 c1 fb 06 48 c1 e3 03 48 85 ff 75 28 48 c7 c7 60 17 b0 84 e8 3a 00 00 00 48 8d bb 98 e9 93 83 be 08 00 00 00 e8 1f 7e 5d 00 <f0> 4c 0f ab 25 d7 9d 6a 02 eb 19 48 8d 6f 30 be 08 00 00 00 48 8d
RSP: 0000:ffffc9000013fc40 EFLAGS: 00010046
RAX: fffffbfff0727d01 RBX: 0000000000000000 RCX: fffffbfff0727d34
RDX: fffffbfff0727d34 RSI: 0000000000000008 RDI: ffffffff8393e998
RBP: 1ffff92000027f8e R08: fffffbfff0727d34 R09: 0000000000000001
R10: ffffffff81294bb8 R11: fffffbfff0727d33 R12: 000000000000001b
R13: ffff8883af027188 R14: ffff8883af027120 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888429d78000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff8393e998 CR3: 0000000003aee000 CR4: 00000000000406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
do_clear_cpu_cap+0xdd/0x23f
? clear_feature+0x5d/0x5d
? topology_get_logical_id+0x5a/0xa0
? topo_set_ids+0x1ac/0x318
early_init_intel+0x6f7/0x7fe
init_intel+0x69/0x4e7
? early_init_intel+0x7fe/0x7fe
? get_cpu_cap+0x5bc/0x5cf
identify_cpu+0x6d2/0xcef
? get_cpu_address_sizes+0x23a/0x23a
? __set_pages_p+0x157/0x157
identify_secondary_cpu+0x18b/0x207
start_secondary+0x89/0x1ef
common_startup_64+0x13b/0x148
</TASK>
Modules linked in: rcutorture torture polyval_clmulni polyval_generic processor ghash_clmulni_intel sha1_ssse3 ipmi_devintf ipmi_msghandler drm drm_panel_orientation_quirks dm_mod dax qemu_fw_cfg autofs4
CR2: ffffffff8393e998
---[ end trace 0000000000000000 ]---
RIP: 0010:clear_feature+0x34/0x5d
Code: 48 c1 fb 06 48 c1 e3 03 48 85 ff 75 28 48 c7 c7 60 17 b0 84 e8 3a 00 00 00 48 8d bb 98 e9 93 83 be 08 00 00 00 e8 1f 7e 5d 00 <f0> 4c 0f ab 25 d7 9d 6a 02 eb 19 48 8d 6f 30 be 08 00 00 00 48 8d
RSP: 0000:ffffc9000013fc40 EFLAGS: 00010046
RAX: fffffbfff0727d01 RBX: 0000000000000000 RCX: fffffbfff0727d34
RDX: fffffbfff0727d34 RSI: 0000000000000008 RDI: ffffffff8393e998
RBP: 1ffff92000027f8e R08: fffffbfff0727d34 R09: 0000000000000001
R10: ffffffff81294bb8 R11: fffffbfff0727d33 R12: 000000000000001b
R13: ffff8883af027188 R14: ffff8883af027120 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888429d78000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff8393e998 CR3: 0000000003aee000 CR4: 00000000000406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Kernel panic - not syncing: Fatal exception
Shutting down cpus with NMI
Kernel Offset: disabled
Kboot worker: lkp-worker38
Elapsed time: 120
kvm=(
qemu-system-x86_64
-enable-kvm
-cpu SandyBridge
-kernel $kernel
-initrd initrd-vm-meta-225.cgz
-m 16384
-smp 2
-device e1000,netdev=net0
-netdev user,id=net0,hostfwd=tcp::32032-:22
-boot order=nc
-no-reboot
-device i6300esb
-device pci-testdev
-watchdog-action debug
-rtc base=localtime
-serial stdio
-display none
-monitor null
)
append=(
ip=::::vm-meta-225::dhcp
root=/dev/ram0
RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-tasks-rude/vm-snb/debian-12-x86_64-20240206.cgz/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/0
BOOT_IMAGE=/pkg/linux/x86_64-randconfig-001-20250518/gcc-12/287f9245fe1003a1cdb1462ad7a7da1f33622d91/vmlinuz-6.15.0-rc6-00373-g287f9245fe10
branch=linux-devel/devel-hourly-20250518-140315
job=/job-script
user=lkp
ARCH=x86_64
kconfig=x86_64-randconfig-001-20250518
commit=287f9245fe1003a1cdb1462ad7a7da1f33622d91
intremap=posted_msi
vmalloc=256M
initramfs_async=0
page_owner=on
carrier_timeout=60
rcupdate.rcu_self_test=0
max_uptime=1200
result_service=tmpfs
selinux=0
debug
apic=debug
sysrq_always_enabled
rcupdate.rcu_cpu_stall_timeout=100
net.ifnames=0
printk.devkmsg=on
panic=-1
softlockup_panic=1
nmi_watchdog=panic
oops=panic
load_ramdisk=2
prompt_ramdisk=0
drbd.minor_count=8
systemd.log_level=err
ignore_loglevel
console=tty0
earlyprintk=ttyS0,115200
console=ttyS0,115200
vga=normal
rw
rcuperf.shutdown=0
rcuscale.shutdown=0
refscale.shutdown=0
watchdog_thresh=240
audit=0
kunit.enable=0
ia32_emulation=on
riscv_isa_fallback=1
)
"${kvm[@]}" -append "${append[*]}"