Messages in this thread |  | | Date | Mon, 18 Nov 2013 18:13:10 +0100 | From | Ingo Molnar <> | Subject | Re: perf bug: bad page map |
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* Vince Weaver <vincent.weaver@maine.edu> wrote:
> On Mon, 18 Nov 2013, Peter Zijlstra wrote: > > > On Fri, Nov 15, 2013 at 01:04:23PM -0500, Vince Weaver wrote: > > > > > > (figured out the minicom issue). > > > > > > Anyway while trying to reproduce the last bug I instead got this with > > > the perf_fuzzer. > > > > > > Is it worth continuing to run and report these issues? I'm losing track > > > of all the open bugs. > > > > This is looks like ext4. Not entirely sure how perf ties into this. > > It's believable the filesystem could have issues (it's a fuzzer > machine, so it's had 100+ unclean shutdowns on an SSD drive in the > past few months) but as far as I know there shouldn't have been any > filesystem accesses happening at all when the bug triggered. > > I thought it might be perf related due to the perf references in the > backtrace (and since it was being perf-fuzzed at the time).
Maybe the connection is that ext4 has lots of tracepoints?
Thanks,
Ingo
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