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Date: Fri, 20 Aug 2010 16:17:03 +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>,
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        "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: <20100820141703.GA29697@elte.hu>
References: <20100817152225.GQ26154@erda.amd.com>
 <1282214753.1926.4669.camel@laptop>
 <20100819141240.GO4879@redhat.com>
 <1282228033.2605.204.camel@laptop>
 <20100820015017.GA4879@redhat.com>
 <20100820081605.GD17551@elte.hu>
 <1282298651.2605.769.camel@laptop>
 <20100820123901.GE4879@redhat.com>
 <20100820132737.GD3321@elte.hu>
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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.

Thanks,

	Ingo
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