Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757629Ab1BPIiD (ORCPT ); Wed, 16 Feb 2011 03:38:03 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:41522 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751925Ab1BPIh7 (ORCPT ); Wed, 16 Feb 2011 03:37:59 -0500 Date: Wed, 16 Feb 2011 09:37:47 +0100 From: Ingo Molnar To: Cyrill Gorcunov Cc: Dave Airlie , George Spelvin , a.p.zijlstra@chello.nl, dzickus@redhat.com, eranian@google.com, linux-kernel@vger.kernel.org, ming.m.lin@intel.com Subject: Re: 2.6.38-rc2: Uhhuh. NMI received for unknown reason 2d on CPU 0. Message-ID: <20110216083747.GF16529@elte.hu> References: <4D484853.9020409@gmail.com> <20110202023610.3799.qmail@science.horizon.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -2.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2119 Lines: 56 * Cyrill Gorcunov wrote: > On 2/16/11, Dave Airlie wrote: > > On Wed, Feb 2, 2011 at 2:18 PM, Cyrill Gorcunov wrote: > >> On 2/2/11, George Spelvin wrote: > >>>> 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) > >>> > >>> Promising... After 32 minute of uptime, no NMI complaints so far. > >>> > >>> I'll let it run overnight and see what happens. > >>> > >> > >> Great, thanks. Though the patch didn't help for Don, ie there is still > >> an issue which needs to be resolved as well. > >> -- > >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > >> the body of a message to majordomo@vger.kernel.org > >> More majordomo info at http://vger.kernel.org/majordomo-info.html > >> Please read the FAQ at http://www.tux.org/lkml/ > >> > > > > Ping on this problem, still seeing > > > > Uhhuh. NMI received for unknown reason 3c on CPU 0. > > Do you have a strange power saving mode enabled? > > Dazed and confused, but trying to continue > > > > on my Pentium-D system here with latest Linus head. > > > > its sometimes 3c, sometimes 3d, I'm going to bisect and push for > > reverts if nobody still has any clue about how to fix this. > > > > Dave. > > > > We still trying to resolve it but without success yet. There is no > easy way to revert it. One of the option might be to disable perf on > p4 for a while. If this is acceptable -- i'll cook such patch and send > it to Ingo. Hm? That's not really acceptable - need to fix it or revert it to the last working state. Which commit broke it? Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/