Messages in this thread | | | Date | Mon, 8 Jan 2018 18:30:05 +0100 | From | Ingo Molnar <> | Subject | Re: perf: perf_fuzzer quickly locks up on 4.15-rc7 |
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* Vince Weaver <vincent.weaver@maine.edu> wrote:
> Hello > > Was trying out current git (4.15-rc7) and the perf_fuzzer very quickly > will lock up my Haswell test machine so solidly that I don't get any debug > info, even with a serial console.
That's pretty concerning ...
> I'll try enabling various debug options to see if I can get a more useful > bug report.
Note that the page table isolation (PTI) feature has a number of effects on perf and on NMI handlers, so one of the things to try would be to disable PTI.
Thanks,
Ingo
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