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Message-ID: <alpine.DEB.2.10.1405061205030.3372@vincent-weaver-1.umelst.maine.edu> Date: Tue, 6 May 2014 12:05:41 -0400 (EDT) From: Vince Weaver <vincent.weaver@...ne.edu> To: Cyrill Gorcunov <gorcunov@...il.com> cc: Peter Zijlstra <peterz@...radead.org>, Vince Weaver <vincent.weaver@...ne.edu>, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org> Subject: Re: perf_fuzzer crash on pentium 4 On Tue, 6 May 2014, Cyrill Gorcunov wrote: > On Tue, May 06, 2014 at 05:46:37PM +0200, Peter Zijlstra wrote: > > On Tue, May 06, 2014 at 11:42:58AM -0400, Vince Weaver wrote: > > > > > > So just to be difficult I fired up the perf_fuzzer on a Pentium 4 machine. > > > > > > It crashes more or less instantly (sorry for the line wrapping, > > > just got the serial console hooked up and don't have minicom configured > > > right yet). > > > > > > this is 3.15-rc4 with the anti-memory corruption patch applied. > > > > *sigh*.. the one x86 PMU driver I really don't know. I might actually > > have some P4 class hardware, I'll try and get it wired up this week > > somewhere. > > I'll take a look, thanks. This happens quickly enough I can probably generate a small test case, but I won't have time to do that until maybe tomorrow. Vince -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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