Messages in this thread | | | Date | Thu, 14 Mar 2013 23:19:14 +0100 | Subject | Re: [GIT PULL] perf fixes | From | Stephane Eranian <> |
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On Thu, Mar 14, 2013 at 11:17 PM, Linus Torvalds <torvalds@linux-foundation.org> wrote: > On Thu, Mar 14, 2013 at 3:09 PM, Stephane Eranian <eranian@google.com> wrote: >> >> Could be related to suspend/resume. But were you running perf across >> that resume/suspend cycle? > > No. > > In most cases I was running a perf record before and after (but not > *while* suspending) > > In at least one other crash, I didn't run perf before at all, so the > first time I used perf was after the resume. > > So in no cases did I actually have any perf stuff active over the > suspend itself. > Ok, simpler test case then.
>> Let's see if we can reproduce the problem on the same ChromeBook you >> have. Don't have one myself. > > I don't imagine it should be about chromebook per se, because afaik > all of pmu suspend/resume is done by the kernel, no firmware involved. > > So I'd assume it should happen with any IvyBridge. > Will try on a desktop IvyBridge too.
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