From: Don Zickus <dzickus@redhat.com>
To: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: George Spelvin <linux@horizon.com>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Lin Ming <ming.m.lin@intel.com>,
Stephane Eranian <eranian@google.com>
Subject: Re: 2.6.38-rc2: Uhhuh. NMI received for unknown reason 2d on CPU 0.
Date: Tue, 1 Feb 2011 13:41:10 -0500 [thread overview]
Message-ID: <20110201184110.GB21209@redhat.com> (raw)
In-Reply-To: <4D484853.9020409@gmail.com>
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
next prev parent reply other threads:[~2011-02-01 18:41 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-01 16:27 2.6.38-rc2: Uhhuh. NMI received for unknown reason 2d on CPU 0 George Spelvin
2011-02-01 17:52 ` Cyrill Gorcunov
2011-02-01 18:41 ` Don Zickus [this message]
2011-02-01 18:44 ` Cyrill Gorcunov
2011-02-01 18:51 ` Don Zickus
2011-02-01 20:00 ` Cyrill Gorcunov
2011-02-02 2:36 ` George Spelvin
2011-02-02 4:18 ` Cyrill Gorcunov
2011-02-16 1:57 ` Dave Airlie
2011-02-16 4:19 ` Cyrill Gorcunov
2011-02-16 8:37 ` Ingo Molnar
2011-02-16 8:49 ` Cyrill Gorcunov
2011-02-16 8:56 ` Ingo Molnar
2011-02-16 9:33 ` Cyrill Gorcunov
2011-02-16 10:09 ` Ingo Molnar
2011-02-16 11:08 ` Cyrill Gorcunov
2011-02-16 11:33 ` [tip:perf/urgent] perf, x86: P4 PMU: Fix spurious NMI messages tip-bot for Cyrill Gorcunov
2011-02-16 11:57 ` 2.6.38-rc2: Uhhuh. NMI received for unknown reason 2d on CPU 0 George Spelvin
2011-02-17 2:56 ` Dave Airlie
2011-02-17 7:48 ` Cyrill Gorcunov
-- strict thread matches above, loose matches on Subject: below --
2011-02-14 13:36 Preeti Khurana
2011-02-17 0:17 ` Ryan Underwood
2011-02-17 7:59 ` Cyrill Gorcunov
2011-02-18 2:40 ` Paul E. McKenney
2011-02-18 20:38 ` Underwood, Ryan
2011-02-21 6:56 ` Preeti Khurana
2011-02-21 16:45 ` Underwood, Ryan
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