linux-kernel - Re: perf: fuzzer gets CPU stuck in perf

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Message-ID: <alpine.DEB.2.11.1502191231360.30282@vincent-weaver-1.umelst.maine.edu>
Date:	Thu, 19 Feb 2015 12:32:41 -0500 (EST)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	Vince Weaver <vincent.weaver@...ne.edu>
cc:	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: perf: fuzzer gets CPU stuck in perf_callchain()

On Thu, 19 Feb 2015, Vince Weaver wrote:

> I have to take that back, it turns out the Cortex-A9 machine was wedged 
> for over a day, I just hadn't noticed because it hadn't dumped any kind
> of message about the problem.  Hmm.

This turns out to be the find_get_context() bug that has been fixed in 
current git, the kernel I was running wasn't new enough to have the fix in 
it.  So false alarm.

Vince
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