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SubjectRe: mm3 hang
Martin J. Bligh wrote:
> --On Wednesday, June 04, 2003 14:47:36 -0700 Andrew Morton <akpm@digeo.com> wrote:
>
>
>>"Martin J. Bligh" wrote:
>>
>>>SDET hangs it every few runs.
>>
>>You have a large number of `ps' instances which appear to be
>>stuck on /proc's i_sem and lots of processes stuck in
>>sched_balance_exec->set_cpus_allowed->wait_for_completion.
>
>
> OK, thanks. I'm getting several different hangs, so getting confused ;-)
>
>
>>The latter is a NUMA-special. You might want to examine the
>>sched_best_cpu() fixes carefully.
>
> Mmm. those looked like they were only for nodes with no cpus ... matt?

I don't think that set of patches would do much for this problem, but
one never knows?

>>Also see whether 2.5.70+bk does the same thing.
>
>
> Good point - will try that.
>
> Thanks,
>
> M.

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