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

From: Bjorn Helgaas
Date: Mon Mar 04 2013 - 19:17:24 EST


[+cc e1000-devel, Jeff, Bruce]

On Mon, Mar 4, 2013 at 2:50 PM, Borislav Petkov <bp@xxxxxxxxx> 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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