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Date: Sat, 3 Mar 2012 11:04:05 -0300
From: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To: David Ahern <dsahern@...il.com>
Cc: LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: perf_guest default bug
Em Fri, Mar 02, 2012 at 12:00:01PM -0700, David Ahern escreveu:
> Similar to my last email, this patch is not in urgent trees or
> Linus' yet the problem exists in Linus' tree:
> https://lkml.org/lkml/2012/2/17/82
>
> $ /tmp/pbuild/perf record -a -- sleep 1
> [ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 0.319 MB perf.data (~13935 samples) ]
> Segmentation fault
>
> Root cause is the perf_guest setting.
>
> $ /tmp/pbuild/perf --version
> perf version 3.3.rc5.60.g203738
This one was tricky, IIRC, weren't follow up patches needed to plug some
extra problems?
- Arnaldo
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