Re: Bug#700333: Stack trace

From: Borislav Petkov
Date: Sat Apr 20 2013 - 18:55:28 EST


+ tglx.

On Sun, Apr 21, 2013 at 01:38:33AM +0400, vitalif@xxxxxxxxxx wrote:
> >>Stack trace picture is here:
> >>http://vmx.yourcmc.ru/var/pics/IMG_20130306_141045.jpg
> >
> >Vitaliy reported that his system crashes when suspending to disk.
> >This
> >was a regression from 3.2 to 3.7, and remains in 3.8. Some
> >details of
> >this system are in the bug log at <http://bugs.debian.org/700333>.
> >
> >The photo shows a BUG in hrtimer_interrupt() after making the
> >hibernation image and while resuming the non-boot CPUs. The HPET
> >interrupt handler was called immediately after it was registered
> >for CPU
> >2 (?), before the corresponding clock_event_device was registered.
> >
> >Seems like an obvious race condition, but then shouldn't the HPET
> >have
> >been stopped while the CPU was previously offlined? And it's strange
> >that this system apparently hits the race quite reliably.
>
> Anyone?

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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