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Date: Thu, 17 Feb 2011 10:59:43 +0300
Message-ID: <AANLkTikEMOxtTe7afmYsvyQkJi7j70TRX3cPPR0X=uQj@mail.gmail.com>
Subject: Re: 2.6.38-rc2: Uhhuh. NMI received for unknown reason 2d on CPU 0.
From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Ryan Underwood <ryan.underwood@flightsafety.com>
Cc: linux-kernel@vger.kernel.org
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On Thu, Feb 17, 2011 at 3:17 AM, Ryan Underwood
<ryan.underwood@flightsafety.com> wrote:
> Preeti Khurana <Preeti.Khurana <at> guavus.com> writes:
>
>>
>> I am getting the similar issue as reported
>> in https://lkml.org/lkml/2011/2/10/187
>>
>> Can someone tell me if the same issue  because I am getting the
>> problem on Intel Xeon..
>>
>
> I am seeing exactly the same problem (on 2.6.35 as Preeti reported originally)
> on some Xeon servers but only with recently shipped BIOS revisions. The OS is
> CentOS 5.5.
>
...
> I have not tried the following patches yet which seem to both be for spurious
> NMI messages, not accompanied by system lockups:
>
> https://lkml.org/lkml/2011/2/16/106
> https://lkml.org/lkml/2011/2/1/286
>
> Both nmi_watchdog=0 and pcie_aspm=off options do not solve the problem.
>
> I am not subscribed so please Cc me.
>

Since nmi_watchdog=0 didn't help -- I believe it's a different issue unrelated
to 'perf' patches you mentioned, probably rcu-people help is needed here.