linux-kernel - Re: Uhhuh. NMI received for unknown reason 2c on CPU 0.

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Message-ID: <CAErSpo7Fj3zOp0S9kFrZBCe5u9r6kJUNyx+parGfoq52gWD3XQ@mail.gmail.com>
Date:	Mon, 4 Mar 2013 17:16:52 -0700
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Borislav Petkov <bp@...en8.de>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Jiri Slaby <jslaby@...e.cz>,
	x86@...nel.org, lkml <linux-kernel@...r.kernel.org>
Cc:	e1000-devel@...ts.sourceforge.net,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Bruce Allan <bruce.w.allan@...el.com>
Subject: Re: Uhhuh. NMI received for unknown reason 2c on CPU 0.

[+cc e1000-devel, Jeff, Bruce]

On Mon, Mar 4, 2013 at 2:50 PM, Borislav Petkov <bp@...en8.de> wrote:
> On Fri, Feb 15, 2013 at 10:16:41AM +0100, Borislav Petkov wrote:
>> So it looks Bjorn has taken most of them and the e1000e one will go
>> through the e1000e maintainers. I'll test after the merge window is
>> done.
>
> Issue still persists on 3.9-rc1 :-( :
>
> Mar  4 21:47:34 nazgul vmunix: [ 3223.412541] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
> Mar  4 21:47:34 nazgul vmunix: [ 3223.412554] e1000e 0000:00:19.0 eth0: 10/100 speed: disabling TSO
> Mar  4 21:47:35 nazgul vmunix: [ 3224.034158] Uhhuh. NMI received for unknown reason 2c on CPU 0.
> Mar  4 21:47:35 nazgul vmunix: [ 3224.034166] Do you have a strange power saving mode enabled?
> Mar  4 21:47:35 nazgul vmunix: [ 3224.034168] Dazed and confused, but trying to continue

The e1000e changes didn't get merged, did they?  I don't see the
following changes mentioned at https://lkml.org/lkml/2013/2/4/185 in
3.9-rc1:

      e1000e: fix pci-device enable-counter balance
      e1000e: fix runtime power management transitions
      e1000e: fix accessing to suspended device
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