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SubjectRe: [BUG] perf_event: crash in perf_output_begin
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On Mon, 2010-05-10 at 17:33 +0200, Stephane Eranian wrote:
> Hi,
>
> While testing 2.6.34-rc7 I ran into the following issue when
> using BTS sampling on Intel Core. It seems like something
> is not terminated properly. I am sampling BTS per-thread
> on a test program, then hit CTRL-C, one second later my
> machine crashes while running bash. Crash dump below:
>
> [ 750.249109] general protection fault: 0000 [#1] SMP
> [ 750.249270] CPU 3
> [ 750.249270] Pid: 6132, comm: bash Not tainted 2.6.34-rc7-tip+ #46

Can you try and reverting 4fd38e4595e2f6c9d27732c042a0e16b2753049c, I
spend most of the day chasing that, and I can't say I'm much wiser.




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