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SubjectRe: [patch] CPU hotplug: call check_tsc_sync_source() with irqs off
On 07/03/07, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Linus Torvalds <torvalds@linux-foundation.org> wrote:
>
> > [ Ingo and Thomas added to Cc, because I think this is them.. ]
> >
> > Ingo, I think this came in during commit 95492e4646, "x86: rewrite SMP
> > TSC sync code".
>
> yeah.
>
> > > I get this while
> > > echo shutdown > /sys/power/disk; echo disk > /sys/power/state
> > >
> > > BUG: using smp_processor_id() in preemptible [00000001] code: swsusp_shutdown/3359
> > > caller is check_tsc_sync_source+0x1b/0xef
>
> Michal, could you try the patch below?
>

I think that this patch fixes the problem. Thanks!

Regards,
Michal

--
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)
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