linux-kernel - Re: [PATCH] perf, x86: P4 PMU -- Fix unflagged overflows test

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Message-ID: <4D4EF4BC.6040206@gmail.com>
Date:	Sun, 06 Feb 2011 22:21:32 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Don Zickus <dzickus@...hat.com>
CC:	Ingo Molnar <mingo@...e.hu>, George Spelvin <linux@...izon.com>,
	Meelis Roos <mroos@...ux.ee>, Lin Ming <ming.m.lin@...el.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf, x86: P4 PMU -- Fix unflagged overflows test

On 02/04/2011 07:59 PM, Don Zickus wrote:
> On Fri, Feb 04, 2011 at 03:17:28PM +0300, Cyrill Gorcunov wrote:
>> Please apply it, sorry for non-inlined patch (have a web access only at moment).
>>
>> Note that I've tested the patch on non-HT machine so if someone have HT'ed one
>> -- it would be great to test the patch there.
> 
> Hmm. For some reason, when I enable the kgdb testsuite, the box fails to
> boot with hardlockup issues.  It seems like the code is swallowing the
> NMIs? I basically applied this patch on top of 2.6.38-rc3 and ran it on my
> Xeon box (p4 w/HT).
> 
> Cheers,
> Don

  Don, I hope to get access to p4 machine tomorrow and investigate this issue
(didn't manage to read kgdb code this weekend). Sorry for delay.

-- 
    Cyrill
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