From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Francis Moreau <francis.moro@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Don Zickus <dzickus@redhat.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Stephane Eranian <eranian@google.com>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: v3.0: Weird kernel log message when resuming avout NMI received
Date: Sun, 31 Jul 2011 19:32:25 +0400 [thread overview]
Message-ID: <20110731153225.GJ2209@sun> (raw)
In-Reply-To: <CAC9WiBgg+To8ggUvTqxOCy2hgb=XQCRH6D_0HFy4sEEoF8R0rw@mail.gmail.com>
On Sun, Jul 31, 2011 at 05:20:15PM +0200, Francis Moreau wrote:
> Hi Cyrill
>
> On Sun, Jul 31, 2011 at 1:06 PM, Cyrill Gorcunov <gorcunov@gmail.com> 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?
> >
>
> Still the same which causes some kvm-tools madness ;)
>
OK, thanks Francis, I've CC'ed a couple of people involved into
x86 perf implementation. I believe at moment of wakeup we could
drop any/all overflow flags in perf registers (still didn't look
into, will try to find some time a bit later).
Cyrill
next prev parent reply other threads:[~2011-07-31 15:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-31 6:56 v3.0: Weird kernel log message when resuming avout NMI received Francis Moreau
2011-07-31 11:06 ` Cyrill Gorcunov
2011-07-31 11:19 ` Jiri Slaby
2011-07-31 11:26 ` Cyrill Gorcunov
2011-08-02 19:48 ` Don Zickus
2011-08-02 21:00 ` Jiri Slaby
2011-08-03 0:52 ` Donald Zickus II
2011-07-31 15:20 ` Francis Moreau
2011-07-31 15:32 ` Cyrill Gorcunov [this message]
2011-08-01 11:05 ` Peter Zijlstra
2011-08-01 11:21 ` Cyrill Gorcunov
2011-08-01 12:12 ` Peter Zijlstra
2011-08-15 8:37 ` Francis Moreau
2011-08-16 15:07 ` Francis Moreau
2011-08-02 19:52 ` Don Zickus
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