Re: 2.6.38-rc2: Uhhuh. NMI received for unknown reason 2d on CPU 0.

From: Don Zickus
Date: Tue Feb 01 2011 - 13:41:44 EST


On Tue, Feb 01, 2011 at 08:52:19PM +0300, Cyrill Gorcunov wrote:
> On 02/01/2011 07:27 PM, George Spelvin wrote:
> > Since upgrading to -rc2 (-rc3 is compiling right now), I've been getting
> > complaints at irregular intervals. This didn't used to happen with 2.6.37.
> >
> ...
> > Should I bisect this, or does someone know what might be happening?
> >
> > Thank you!
> >
>
> I fear it's known issue at moment, we're trying to resolve it. There is
> an option -- to disable nmi_watchdog (nmi_watchdog=0 boot option).
>
> But if you have a will or would like to help debug the problem -- mind to
> try the patch below? Note the patch is ugly at moment and must *not* be
> running on non-P4 system (and I only compile-tested it so no guarantees
> at all, and I've CC'ed a couple of people as well)

Unfortunately, I have not had success with patch below on my system. :-(

Cheers,
Don
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