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Oracle Linux: Unexpected Kernel Panic With The Process 'hpsensor' (Doc ID 2630846.1)

Last updated on JANUARY 23, 2020

Applies to:

Linux OS - Version Oracle Linux 6.10 with Unbreakable Enterprise Kernel [4.1.12] to Oracle Linux 6.10 with Unbreakable Enterprise Kernel [4.1.12] [Release OL6U10]
Linux x86-64

Symptoms

Oracle Linux server running in an HPE ProLiant BL460c Gen10 server blade experienced unexpected kernel panic with the following error log messages:

PID: 5036 TASK: ffff881f94158e00 CPU: 1 COMMAND: "hpsensor"<----------
#0 [ffff881fbe848988] machine_kexec at ffffffff810604fc
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/arch/x86/kernel/machine_kexec_64.c: 321
#1 [ffff881fbe8489e8] crash_kexec at ffffffff81115673
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/kernel/kexec.c: 1503
#2 [ffff881fbe848ab8] panic at ffffffff816eac95
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/arch/x86/include/asm/smp.h: 95
#3 [ffff881fbe848b38] nmi_panic at ffffffff81086e7b
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/kernel/panic.c: 89
#4 [ffff881fbe848b48] watchdog_overflow_callback at ffffffff81139c35
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/kernel/watchdog_hld.c: 131
#5 [ffff881fbe848b68] __perf_event_overflow at ffffffff8118172f
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/kernel/events/core.c: 4799
#6 [ffff881fbe848be8] perf_event_overflow at ffffffff811822b4
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/kernel/events/core.c: 6168
#7 [ffff881fbe848bf8] intel_pmu_handle_irq at ffffffff8103a17a
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/arch/x86/kernel/cpu/perf_event_intel.c: 1663
#8 [ffff881fbe848df8] perf_event_nmi_handler at ffffffff81030811
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/arch/x86/kernel/cpu/perf_event.c: 1436
#9 [ffff881fbe848e18] nmi_handle at ffffffff8101b066
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/arch/x86/kernel/nmi.c: 134
#10 [ffff881fbe848e88] default_do_nmi at ffffffff8101b5da
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/arch/x86/kernel/nmi.c: 344
#11 [ffff881fbe848eb8] do_nmi at ffffffff8101b7d8
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/arch/x86/kernel/nmi.c: 529
#12 [ffff881fbe848ee8] end_repeat_nmi at ffffffff816fbbad
/usr/src/debug/kernel-4.1.12/linux-4.1.12-124.30.1.el6uek/arch/x86/kernel/entry_64.S: 2025
[exception RIP: _raw_spin_lock_irq+154]
RIP: ffffffff816f4e0a RSP: ffff881fae5a3c08 RFLAGS: 00000006
RAX: 0000000000000006 RBX: ffff881fa98f2988 RCX: 0000000000000006
RDX: 0000000000001629 RSI: 0000000000000000 RDI: ffff881fa98f2988
RBP: ffff881fae5a3c28 R8: 0000000000000000 R9: ffff881fae5a3be0
R10: 0000000000000204 R11: 0000000000000000 R12: 0000000000000000

Cause

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In this Document
Symptoms
Cause
Solution


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