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SubjectRe: rcu stalls seen with numasched_v2 patches applied.
* John Stultz <johnstul@us.ibm.com> [2012-08-07 10:08:51]:

> On 08/07/2012 05:33 AM, Srikar Dronamraju wrote:
> >Hi,
> >
> >I saw this while I was running the 2nd August -tip kernel + Peter's
> >numasched patches.
> >
> >Top showed load average to be 240, there was one cpu (cpu 7) which
> >showed 100% while all other cpus were idle. The system showed some
> >sluggishness. Before I saw this I ran Andrea's autonuma benchmark couple
> >of times.
> >
> >I am not sure if this is an already reported issue/known issue.
> So Ingo pushed a fix the other day that might address this:
> http://git.linaro.org/gitweb?p=people/jstultz/linux.git;a=commitdiff_plain;h=1d17d17484d40f2d5b35c79518597a2b25296996

Okay, will update after applying the patch.

>
> But do let me know any reproduction details if you can trigger this
> again. If you do trigger it again without that patch, watch to see
> if the time value from date is running much faster then it should.
>

The time value from date is normal

--
Thanks and Regards
Srikar



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