Re: another perf_fuzzer soft lockup

[Ingo Molnar]

* Vince Weaver <vincent.weaver@xxxxxxxxx> wrote:

> After some idle time I've started running the perf_fuzzer again.
> 
> It quickly found this lockup on a core2 system running 3.13 (yes, I 
> should probably be running 3.14-git but I'd rather wait for rc1 
> first).

JFYI, if -git looks too dangerous to you (and I cannot blame you for 
that view in the middle of a merge window) then tip:master is usually 
a pretty safe substitute for testing, it's the v3.14 perf code on a 
v3.13 base.

> It looks like it's stuck in a lock in generic_exec_single() while 
> calling perf_event_task_output()?
> 
> I'll try to see if I can come up with a test case.

Thanks, those testcases are always very useful!

	Ingo
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