Re: nohz fail (was: perf related boot hang.)

[Frederic Weisbecker]

2014-08-20 22:31 GMT+02:00 Catalin Iacob <iacobcatalin@xxxxxxxxx>:
> I've also just hit what seems to be the same panic in 3.17-rc1 (ignore the 1
> local patch, it's an unrelated change in a comment) twice in less than 1
> hour. Hitting this twice in a short amount of time seems to be proof that the
> 3.17 merge window made it trigger more often. Both times I was running a grep
> over a Firefox build tree which was taking a long time.
>
> The stacktraces are slightly different but both have the "cancel timer from a
> timer, followed by nmi" pattern. Pictures of the 2 stacktraces:
> https://drive.google.com/file/d/0B_fRjDygGZSNY0RIc2dyYTExTjg/edit?usp=sharing
> https://drive.google.com/file/d/0B_fRjDygGZSNS1pSWFkteURrOTQ/edit?usp=sharing

Hi Catalin, Dave,

Can you please test the series I just posted: "[RFC PATCH 0/9] nohz:
Nohz full kick fixes"?
It should fix the issues.

Thanks.
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