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Date: Thu, 11 Jan 2018 15:40:44 -0500 (EST) From: Vince Weaver <vincent.weaver@...ne.edu> To: Vince Weaver <vincent.weaver@...ne.edu> cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: perf: perf_fuzzer quickly locks up on 4.15-rc7 On Thu, 11 Jan 2018, Vince Weaver wrote: > Not sure if this info helps, but if I make perf_fuzzer *not* create AUX > mmap() buffers, I'm unable to reproduce the hangs both on core2 and > haswell. Confirmed, I can crash the system without the fuzzer, just by doing perf record --per-thread -e intel_bts// /bin/ls on my haswell system. Vince
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