linux-kernel - Re: v3.0: Weird kernel log message when resuming avout NMI received

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Message-ID: <20110731112604.GH2209@sun>
Date:	Sun, 31 Jul 2011 15:26:04 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Francis Moreau <francis.moro@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Don Zickus <dzickus@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: v3.0: Weird kernel log message when resuming avout NMI received

On Sun, Jul 31, 2011 at 01:19:29PM +0200, Jiri Slaby wrote:
> On 07/31/2011 01:06 PM, Cyrill Gorcunov wrote:
> > On Sun, Jul 31, 2011 at 08:56:30AM +0200, Francis Moreau wrote:
> >> Hello,
> >>
> >> I'm seeing those kernel message when resuming:
> >>
> >> [  524.973283] Uhhuh. NMI received for unknown reason 3d on CPU 0.
> >> [  524.973288] Do you have a strange power saving mode enabled?
> >> [  524.973289] Dazed and confused, but trying to continue
> >>
> >> I don't know if it's important or not because the system seems to work
> >> after but maybe it worths to report
> >>
> > 
> > Hi Francis, cpu please?
> 
> Hi, I'm seeing those too. For a longer time though. Please see
> https://bugzilla.novell.com/show_bug.cgi?id=678882#c16
> 
> I suspect NMI watchdog rewrite caused this.
> 

Crap. I thought we've resolved it (not exactly this one but still
unknown nmi issue) :) Still I don't remember if we paid much
attention on suspend/resume time. Don?

	Cyrill
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