Re: [PATCH 1/9] ia64: VIRT_CPU_ACCOUNTING (accurate cpu time accounting)

From: Kenji Kaneshige <>
Date: 2007-11-07 20:46:01
> I did run the kernel some more today and noticed some odd "hangs".
> Some processes seemed to get stuck for many seconds and then
> continued again.  Didn't have time to try and track what was
> happening.  Have you seem snything like this?

I've encountered the similar phenomenon several times. I have
not investigated it very much, but I guess it is related to the
problem reported at

The 'wa' field of 'top' command showed that one of cpus is under
100% iowait when I encountered the problem.

Kenji Kaneshige

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Received on Wed Nov 07 20:50:21 2007

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