https://bugzilla.kernel.org/show_bug.cgi?id=65871
kernel...@real-time-systems.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Kernel Version|3.10.20 |3.10.20, 3.12.1
--- Comment #5 from kernel...@real-time-systems.com ---
Exact same issue with kernel 3.12.1, log files almost identical to 3.10.20.
Works with "acpi=off"
> Kernel panic - not syncing: Watchdog detected hard LOCKUP on cpu 0
> CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.12.1-1.el6.elrepo.i686 #1
> c10d7b10 c17c1d34 c155ac54 f58b0800 c17c1d58 c155aa23 c170bc44 c1913840
> 00000000 8baebcb9 f58b0800 c10d7b10 00000000 c17c1d70 c10d7bd6 c170fda8
> 00000000 01085f12 39241a2c c17c1dc4 c110b57f 7fffffff f71bc3f0 c17c1d90
> Call Trace:
> [<c10d7b10>] ? watchdog_nmi_enable+0x150/0x150
> [<c155ac54>] dump_stack+0x41/0x55
> [<c155aa23>] panic+0x87/0x199
> [<c10d7b10>] ? watchdog_nmi_enable+0x150/0x150
> [<c10d7bd6>] watchdog_overflow_callback+0xc6/0xd0
> [<c110b57f>] __perf_event_overflow+0xaf/0x280
> [<c1022bf4>] ? x86_perf_event_set_period+0x134/0x1f0
> [<c110c015>] perf_event_overflow+0x15/0x20
> [<c1029e06>] intel_pmu_handle_irq+0x1d6/0x3b0
> [<c1085f12>] ? sched_clock_local+0xb2/0x190
> [<c1078707>] ? hrtimer_start+0x27/0x30
> [<c10b5902>] ? tick_nohz_stop_sched_tick+0x2e2/0x340
> [<c1560551>] perf_event_nmi_handler+0x31/0x50
> [<c155fc62>] nmi_handle+0x52/0x1a0
> [<c10accd8>] ? ktime_get+0x48/0x100
> [<c10b3fb5>] ? tick_broadcast_oneshot_control+0x85/0x1b0
> [<c155fe93>] default_do_nmi+0x43/0x280
> [<c1058de0>] ? ns_to_timespec+0x40/0x60
> [<c1560184>] do_nmi+0xb4/0xf0
> [<c155f34b>] nmi_stack_correct+0x2f/0x34
> [<c10a3e6c>] ? cpu_idle_loop+0xec/0x1d0
> [<c10a3fb6>] cpu_startup_entry+0x66/0x70
> [<c15545d7>] rest_init+0x67/0x70
> [<c184dc7a>] start_kernel+0x3cd/0x3d3
> [<c184d71e>] ? repair_env_string+0x5b/0x5b
> [<c184d396>] i386_start_kernel+0x139/0x13c
With kernel 2.6.32 the panic does not occur, "acpi=off" is not needed.
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