Messages in this thread | | | Date | Thu, 14 Mar 2013 23:42:35 +0100 | Subject | Re: [GIT PULL] perf fixes | From | Stephane Eranian <> |
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On Thu, Mar 14, 2013 at 11:19 PM, Stephane Eranian <eranian@google.com> wrote: > 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.
Ok, it happens on my IVB desktop too, so I can investigate...
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