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SubjectRe: perf_fuzzer compiled for x32 causes reboot
On Fri, 28 Feb 2014 18:34:00 -0500 (EST)
Vince Weaver <> wrote:

> > I was poking fun at you on IRC for this exact reason:
> >
> > <rostedt> poor Vince, I keep sending him new patches. "No, don't test this patch, now test this one. Oh wait, try this one instead"
> > * peterz sees Vince thinking: "stop... sending.. me.. damn... patches... already... !!!11!"
> > <rostedt> or at least, "Let me finish this test before I cancel it again for another damn patch"
> > <rostedt> then he's probably doing "I'm not going to run any tests now, until I wait a while to see if there's a new patch to test"

I hope you were not offended by this. It was actually a testament to
the work you've given us.

> Well while it might appear that I spend all of my days finding perf_event
> bugs, I actually am a college professor so I do occasionally have to run
> off to teach a class, meet with students, or write papers/grants for other
> academics to reject.

But perf_event bug finder is a much more prestigious title than
"college professor" ;-)

> It's nice others can reproduce the issue now, it would have saved me a lot
> of trouble, although now in theory I have a much better handle of how to
> use/abuse ftrace so I guess it was worth it.

I always enjoy finding bugs in other people's code. That's usually the
best way to learn what their code does.

> Once the fix gets into git I'm sure the relentless perf_fuzzer will let us
> know if there are any other issues left. I do look forward to the day
> when I can leave it running overnight and have a clean syslog the next
> morning.

BTW, is the perf_fuzzer code posted somewhere? It sounds like it can be
really useful for us to do our own testing too.


-- Steve

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