linux-kernel - Re: BUG at perf_ctx_adjust_freq (kernel/perf

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Message-Id: <0d30dc$ke2a04@orsmga001.jf.intel.com>
Date:	Fri, 10 Dec 2010 13:12:16 +0000
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: BUG at perf_ctx_adjust_freq (kernel/perf_event.c:1582)

On Fri, 10 Dec 2010 20:58:43 +0800, Lin Ming <ming.m.lin@...el.com> wrote:
> From: Chris Wilson <chris@...is-wilson.co.uk>
> > Strange OOPS, not sure what triggered it, but in case it helps:
> 
> Hi,
> 
> Can you reproduce it?

I was debugging an X crash, just a normal use-after-free, which managed
to take down the box whilst under gdb. I've rerun that scenario several
times and I've not managed to trigger the OOPS again.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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