Re: perf: 3.17 another perf_fuzzer lockup

From: Vince Weaver
Date: Mon Oct 20 2014 - 10:41:43 EST


On Mon, 20 Oct 2014, Vince Weaver wrote:

> nope. Wasted 3 days trying to bisect this. Something during the 3.17
> merge window changed enough to make the perf_fuzzer results
> non-deterministic, and that makes it nearly impossibe to reproduce the
> issue properly. Ugh. I might be reduced to sprinkling printks around
> unless anyone chimes in with better advice.

yes, so 3 different bisects from 3 different starting points and it
bisects each time to:

commit 29b88e23a9212136d39b0161a39afe587d0170a5
Merge: 2521129 4e3a25b
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Mon Aug 4 18:34:04 2014 -0700

Merge tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/dri

Pull driver core updates from Greg KH:
"Here's the big driver-core pull request for 3.17-rc1.

which makes no sense at all :(

Vince
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