linux-kernel - Re: [PATCH -tip] perf, x86: fix unknown NMIs on a Pentium4 box

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4DA73990.5070603@gmail.com>
Date:	Thu, 14 Apr 2011 22:14:40 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Shaun Ruffell <sruffell@...ium.com>
CC:	Ingo Molnar <mingo@...e.hu>, Lin Ming <ming.m.lin@...el.com>,
	Don Zickus <dzickus@...hat.com>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>,
	Robert Richter <robert.richter@....com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] perf, x86: fix unknown NMIs on a Pentium4 box

On 04/14/2011 10:12 PM, Shaun Ruffell wrote:
> On Thu, Apr 14, 2011 at 09:49:37PM +0400, Cyrill Gorcunov wrote:
>> On 04/14/2011 09:44 PM, Ingo Molnar wrote:
>>>
>>> below is the commit which needs to be fixed - note that i improved the 
>>> changelog, please keep these fixes for future submissions.
>>
>> Yes, thanks, i'll ping back as only get nit resolved.
> 
> Cyrill, I had not been running perf when I was testing, but I was able to
> reproduce what Ingo reported. I'll make sure to run that on any future tests
> as well. My apologies.

It's mine error, no need for apologies. I suspect this issue might be related
to shared MSRs (iirc nehalem have some MSRs shared as well). I'm checking which
one might be involved.

-- 
    Cyrill
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/