Hi all,
On 26/03/07, Ingo Molnar <[email protected]> wrote:
* Michal Piotrowski <[email protected]> wrote:
> Stardust is down, console log and config attached.
thanks! I have stared at hrtimer.c a few more hours and the good news is
that i found a narrow SMP race. The bad news is that i dont think it
could explain your bug symptoms: the worst-case effect of the race
should be an incorrect timeout on the current CPU - not a KTIME_MAX
thing like your logs show.
But maybe i didnt think through the effects of the bug well enough, and
your box has a HT CPU, with HT CPUs being pretty good at triggering
narrow SMP races - so maybe we are lucky? Fix attached below. Patch is
build and boot-tested.
I didn't see this weird hang for 12 days. I think that this patch
solves this issue.
Huge thans!
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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