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

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Message-ID: <20110802195249.GB3593@redhat.com>
Date:	Tue, 2 Aug 2011 15:52:49 -0400
From:	Don Zickus <dzickus@...hat.com>
To:	Francis Moreau <francis.moro@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: v3.0: Weird kernel log message when resuming avout NMI received

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

Depends on what you were doing when this happened and if it is repeatable?

If it is from perf/nmi_watchdog it probably isn't that big of a deal
(though we should fix it).  Otherwise it could be a hardware failure.

Can you attach a dmesg log?

Cheers,
Don
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