Re: perf_guest default bug

[Arnaldo Carvalho de Melo]

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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