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SubjectRe: BUG: using smp_processor_id() in preemptible arch_trigger_all_cpu_backtrace_handler
On Mon, Nov 01, 2010 at 01:39:56PM +0100, Jan Kiszka wrote:
> Hi,
>
> I was getting this BUG while running into a GPF:
>
> BUG: using smp_processor_id() in preemptible [00000000] code: qemu-system-x86/2248
> caller is arch_trigger_all_cpu_backtrace_handler+0x1d/0xf7
> Pid: 2248, comm: qemu-system-x86 Not tainted 2.6.36+ #12
> Call Trace:
> [<ffffffff81203194>] debug_smp_processor_id+0xd8/0xf4
> [<ffffffff813803ab>] arch_trigger_all_cpu_backtrace_handler+0x1d/0xf7
...

Thanks for report Jan. I'll take a look as only get ability.

Cyrill


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