• Bug#1107299: kernel: watchdog: Watchdog detected hard LOCKUP on cpu (2/

    From Salvatore Bonaccorso@1:229/2 to Joe Knowbody on Sun Jun 15 14:40:02 2025
    [continued from previous message]

    On node 0, zone DMA32: 8 pages in unavailable ranges [ 0.039556] On node 0, zone DMA32: 320 pages in unavailable ranges [ 0.041273] On node 0, zone Normal: 24576 pages in unavailable ranges [ 0.041740] On node 0, zone
    Normal: 16384 pages in unavailable ranges [ 0.041751] Reserving Intel graphics memory at [mem 0xbc000000-0xbfffffff] [ 0.042098] ACPI: PM-Timer IO Port: 0x408 [ 0.042112] CPU topo: Ignoring hot-pluggable APIC ID 0 in
    present package. [ 0.042115] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) [ 0.042118] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) [ 0.042119] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) [ 0.042120] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) [ 0.042136] IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23 [ 0.042140] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.042143] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.042149] ACPI:
    Using ACPI (MADT) for SMP configuration information [ 0.042151] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.042166] CPU topo: Max. logical packages: 1 [ 0.042168] CPU topo: Max. logical dies: 1 [ 0.042169] CPU topo: Max. dies per package: 1 [ 0.042175] CPU topo: Max. threads per core: 1 [ 0.042177]
    CPU topo: Num. cores per package: 2 [ 0.042177] CPU topo: Num. threads per package: 2 [ 0.042178] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.042179] CPU topo: Rejected CPUs 2 [ 0.042213] PM: hibernation:
    Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.042216] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.042219] PM: hibernation: Registered nosave memory: [mem 0xb4f2f000-0xb4f30fff] [ 0.042221] PM: hibernation: Registered nosave
    memory: [mem 0xb5d70000-0xb5d7ffff] [ 0.042224] PM: hibernation: Registered nosave memory: [mem 0xb84b9000-0xb86b8fff] [ 0.042226] PM: hibernation: Registered nosave memory: [mem 0xb9e93000-0xb9e9afff] [ 0.042229] PM: hibernation: Registered nosave memory: [mem 0xb9ebf000-0xb9ffefff] [ 0.042232] PM: hibernation: Registered nosave memory: [mem 0xba000000-0xffffffff] [ 0.042234] [mem 0xc0000000-0xdfffffff] available for PCI devices [ 0.042236] Booting paravirtualized kernel on bare hardware [ 0.042241] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns [ 0.052700] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1 [ 0.053628]
    percpu: Embedded 66 pages/cpu s233472 r8192 d28672 u1048576 [ 0.053639] pcpu-alloc: s233472 r8192 d28672 u1048576 alloc=1*2097152 [ 0.053643] pcpu-alloc: [0] 0 1 [ 0.053673] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-6.12.30-amd64 root=UUID=4b1378ff-7e5c-4646-8564-22b0c96fd3f8 ro quiet [ 0.053748] Unknown kernel command line parameters "BOOT_IMAGE=/boot/vmlinuz-6.12.30-amd64",
    will be passed to user space. [ 0.055400] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.056373] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.056460] Fallback order for Node 0: 0 [ 0.056469] Built 1 zonelists, mobility grouping on. Total pages: 1006660 [ 0.056471] Policy zone: Normal [ 0.056487] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.056501] DMAR: [Firmware Bug]: Your BIOS is broken; DMAR reported at address 0! BIOS vendor: Hewlett-Packard; Ver: 68PCU Ver. F.16; Product Version: F.16 [ 0.056506] software IO TLB: area num 2. [ 0.154890] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.155063] Kernel/User page tables isolation: enabled [ 0.155197] ftrace: allocating 45689 entries in 179 pages [
    0.166091] ftrace: allocated 179 pages with 5 groups [ 0.167241] Dynamic Preempt: voluntary [ 0.167401] rcu: Preemptible hierarchical RCU implementation. [ 0.167403] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=2. [ 0.167405] Trampoline variant of Tasks RCU enabled. [ 0.167406] Rude variant of Tasks RCU enabled. [ 0.167406] Tracing variant of Tasks RCU enabled. [ 0.167408] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.167409] rcu: Adjusting
    geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.167418] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 0.167421] RCU Tasks Rude: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 0.167423] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 0.175799] NR_IRQS: 524544, nr_irqs: 440, preallocated irqs: 16 [ 0.176048] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.178069] Console: colour VGA+
    80x25 [ 0.178073] printk: legacy console [tty0] enabled [ 0.178350] ACPI: Core revision 20240827 [ 0.178608] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns [ 0.178627] APIC:
    Switch to symmetric I/O mode setup [ 0.178631] DMAR: Host address width 36 [ 0.178633] DMAR: DRHD base: 0x00000000000000 flags: 0x1 [ 0.178636] DMAR: Parse DMAR table failure. [ 0.179070] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.198626] clocksource: tsc-early: mask:
    0xffffffffffffffff max_cycles: 0x228200ac089, max_idle_ns: 440795246694 ns [ 0.198636] Calibrating delay loop (skipped), value calculated using timer frequency.. 4787.96 BogoMIPS (lpj=9575920) [ 0.198652] Disabled fast string operations [ 0.198659] x86/cpu: VMX (outside TXT) disabled by BIOS [ 0.198742] Last level iTLB entries: 4KB 128, 2MB 4, 4MB 4 [ 0.198745] Last level dTLB entries: 4KB 256, 2MB 0, 4MB 32, 1GB 0 [ 0.198750] process: using mwait in idle threads [ 0.198753] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.198756] Spectre V2 :
    Mitigation: Retpolines [ 0.198758] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 0.198760] Speculative Store Bypass: Vulnerable [ 0.198763] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.198764] MMIO Stale Data: Unknown: No mitigations [
    0.198770] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.198772] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.198775] x86/fpu: Enabled xstate features 0x3, context size is 576 bytes, using 'standard' format. [ 0.225081] Freeing SMP alternatives memory: 40K [ 0.225093] pid_max: default: 32768 minimum: 301 [ 0.225985]
    LSM: initializing lsm=lockdown,capability,landlock,yama,apparmor,tomoyo,bpf,ipe,ima,evm [ 0.226387] landlock: Up and running. [ 0.226389] Yama: disabled by default; enable with sysctl kernel.yama.* [ 0.226534] AppArmor: AppArmor initialized
    [ 0.226567] TOMOYO Linux initialized [ 0.226895] LSM support for eBPF active [ 0.227278] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.227299] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.340111] smpboot: CPU0: Intel(R) Core(TM)2 Duo CPU P8600 @ 2.40GHz (family: 0x6, model: 0x17, stepping: 0xa) [ 0.340629] Performance Events: PEBS fmt0+, Core2 events, 4-deep LBR, Intel PMU driver.
    [ 0.340652] ... version: 2 [ 0.340654] ... bit width: 40 [ 0.340656] ... generic registers: 2 [ 0.340657] ... value mask: 000000ffffffffff [

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