Date: Fri, 20 Aug 2010 17:25:10 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Don Zickus <dzickus@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
        Robert Richter <robert.richter@amd.com>,
        Cyrill Gorcunov <gorcunov@gmail.com>, Lin Ming <ming.m.lin@intel.com>,
        "fweisbec@gmail.com" <fweisbec@gmail.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Huang, Ying" <ying.huang@intel.com>, Yinghai Lu <yinghai@kernel.org>,
        Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH -v3] perf, x86: try to handle unknown nmis with running
 perfctrs
Message-ID: <20100820152510.GA4167@elte.hu>
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* Don Zickus <dzickus@redhat.com> wrote:

> I'll test tip later today to see if I can reproduce it.
> 
> Cheers,
> Don
> 
> Ingo Molnar <mingo@elte.hu> wrote:
> 
> >
> >it's not working so well, i'm getting:
> >
> > Uhhuh. NMI received for unknown reason 00 on CPU 9.
> > Do you have a strange power saving mode enabled?
> > Dazed and confused, but trying to continue
> >
> >on a nehalem box, after a perf top and perf stat run.

FYI, it does not trigger on an AMD box.

Thanks,

	Ingo
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