From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Jiri Slaby <jslaby@suse.cz>
Cc: Borislav Petkov <bp@alien8.de>,
Bjorn Helgaas <bhelgaas@google.com>,
x86@kernel.org, lkml <linux-kernel@vger.kernel.org>,
Konstantin Khlebnikov <khlebnikov@openvz.org>
Subject: Re: Uhhuh. NMI received for unknown reason 2c on CPU 0.
Date: Wed, 30 Jan 2013 22:39:12 +0100 [thread overview]
Message-ID: <2240511.0oyl5pIt1j@vostro.rjw.lan> (raw)
In-Reply-To: <51098397.5040206@suse.cz>
On Wednesday, January 30, 2013 09:33:27 PM Jiri Slaby wrote:
> On 01/30/2013 09:00 PM, Borislav Petkov wrote:
> > On Wed, Jan 30, 2013 at 08:43:55PM +0100, Jiri Slaby wrote:
> >> On 01/30/2013 06:44 PM, Borislav Petkov wrote:
> >>> On Wed, Jan 30, 2013 at 10:27:42AM -0700, Bjorn Helgaas wrote:
> >>>> You're right, I don't think we're quite ready to merge those patches.
> >>>> But if your NMI is easy to reproduce, it might be worth removing
> >>>> e1000e altogether to see if it still happens.
> >>>
> >>> That's the problem - I've seen it only once so far. I'll watch out for
> >>> it and do the above when I find a reliable way of reproducing it. Will
> >>> keep you posted.
> >>
> >> It happens here too. Dunno what is the root cause. I *think* that it
> >> never happened unless I used ethernet. Other than that I see no pattern.
> >>
> >> Attaching -C 20 grep of messages over the last half year if there is
> >> something that may help somehow.
> >
> > Cool, so it happens once a day, not every day, everytime during resume,
> > and with e1000e. Can you try Bjorn's suggestion to remove e1000e
> > altogether and see if it still happens?
>
> No, e1000e is not to blame at all. I moved e1000e out of /lib/modules
> and it still happens.
>
> What is cool is that I have steps to reproduce:
> 1) boot
> 2) run the attached script (turn on all possible power savings -- in
> fact everything what powertop suggests)
> 3) suspend to _disk_ (mem is not enough, BIOS apparently has to
> interfere here)
No, I don't think it's the BIOS. Most likely the boot kernel.
> 4) resume from disk
> 5) boom
>
> I tried to remove also wireless drivers, no change.
Is the resume boot kernel the same as the one in the image?
Rafael
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
next prev parent reply other threads:[~2013-01-30 21:33 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-29 20:28 Uhhuh. NMI received for unknown reason 2c on CPU 0 Borislav Petkov
2013-01-29 21:32 ` Bjorn Helgaas
2013-01-30 3:42 ` Borislav Petkov
2013-01-30 17:27 ` Bjorn Helgaas
2013-01-30 17:44 ` Borislav Petkov
2013-01-30 19:43 ` Jiri Slaby
2013-01-30 20:00 ` Borislav Petkov
2013-01-30 20:33 ` Jiri Slaby
2013-01-30 21:39 ` Rafael J. Wysocki [this message]
2013-01-30 22:17 ` Jiri Slaby
2013-01-30 22:45 ` Rafael J. Wysocki
2013-01-30 23:12 ` Jiri Slaby
2013-01-30 23:47 ` Jiri Slaby
2013-01-31 0:54 ` Rafael J. Wysocki
2013-01-31 7:09 ` Borislav Petkov
2013-01-31 8:14 ` Jiri Slaby
2013-01-31 13:12 ` Rafael J. Wysocki
2013-01-31 13:10 ` Borislav Petkov
2013-02-02 23:04 ` Rafael J. Wysocki
2013-02-03 14:46 ` Borislav Petkov
2013-02-03 20:15 ` Rafael J. Wysocki
2013-02-03 20:58 ` Borislav Petkov
2013-02-03 21:06 ` Borislav Petkov
2013-02-03 21:15 ` Borislav Petkov
2013-02-14 14:39 ` Borislav Petkov
2013-02-14 17:17 ` Bjorn Helgaas
2013-02-14 19:12 ` Borislav Petkov
2013-02-15 8:54 ` Konstantin Khlebnikov
2013-02-15 9:16 ` Borislav Petkov
2013-03-04 21:50 ` Borislav Petkov
2013-03-05 0:16 ` Bjorn Helgaas
2013-03-05 9:42 ` Jiri Slaby
2013-03-05 9:58 ` Borislav Petkov
2013-03-05 10:01 ` Jiri Slaby
2013-03-05 10:02 ` Jeff Kirsher
2013-03-05 10:14 ` Borislav Petkov
2013-03-05 10:29 ` Jeff Kirsher
2013-03-05 11:27 ` Borislav Petkov
2013-03-05 11:33 ` Jeff Kirsher
2013-03-05 11:42 ` Borislav Petkov
2013-03-06 0:13 ` Rafael J. Wysocki
2013-03-06 0:19 ` Borislav Petkov
2013-03-08 16:47 ` Borislav Petkov
2013-03-05 10:01 ` Jeff Kirsher
2013-03-05 10:04 ` Jiri Slaby
2013-03-01 12:51 ` e1000e broken after resume on x230 [was: Uhhuh. NMI received for unknown reason 2c on CPU 0.] Jiri Slaby
2013-02-06 13:54 ` Uhhuh. NMI received for unknown reason 2c on CPU 0 Jiri Slaby
2013-02-06 21:29 ` Rafael J. Wysocki
2013-01-31 8:28 ` Jiri Slaby
2013-01-31 13:18 ` Borislav Petkov
2013-01-31 13:24 ` Borislav Petkov
2013-03-01 12:55 ` Jiri Slaby
2013-04-04 7:32 ` Jiri Slaby
2013-04-04 9:33 ` Borislav Petkov
2013-04-04 9:38 ` Jiri Slaby
2013-04-04 9:58 ` Borislav Petkov
2013-01-31 13:29 ` Rafael J. Wysocki
2013-02-03 21:29 ` Jiri Slaby
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