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

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Date:	Tue, 05 Mar 2013 02:01:19 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Borislav Petkov <bp@...en8.de>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, x86@...nel.org,
	lkml <linux-kernel@...r.kernel.org>,
	e1000-devel@...ts.sourceforge.net,
	Bruce Allan <bruce.w.allan@...el.com>
Subject: Re: Uhhuh. NMI received for unknown reason 2c on CPU 0.

On Tue, 2013-03-05 at 10:42 +0100, Jiri Slaby wrote:
> On 03/05/2013 01:16 AM, Bjorn Helgaas wrote:
> > [+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
> 
> You're right. They are not even in -next :(.
> 

I have them in my queue for net, so I should be pushing them later this
week once validation has a chance to look at them.

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