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SubjectRe: [stable] Soft lockups since stable kernel upgrade to 2.6.23.8

* Jeremy Fitzhardinge <jeremy@goop.org> wrote:

> Greg KH wrote:
> > Can you try applying the patch below to see if that solves the problem
> > for you?
> >
>
> I don't think this patch will help; it only has cosmetic changes in
> addition to the original message printing fix. I think it also needs
> change a3b13c23f186ecb57204580cc1f2dbe9c284953a:
>
> diff -r 79f0ea1e0e70 -r 06f060ab58aa kernel/softlockup.c

yes, it does need the cpu_clock() changes as i mentioned.

commit a3b13c23f186ecb57204580cc1f2dbe9c284953a
Author: Ingo Molnar <mingo@elte.hu>
Date: Tue Oct 16 23:26:06 2007 -0700

softlockup: use cpu_clock() instead of sched_clock()

sched_clock() is not a reliable time-source, use cpu_clock() instead.

but we only have cpu_clock() from v2.6.23 onwards - so we should not
apply the original patch to v2.6.22. (we should not have applied your
patch that started the mess to begin with - but that's another matter.)

Ingo
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