Re: perf_fuzzer crash on pentium 4

[Cyrill Gorcunov]

On Tue, May 06, 2014 at 12:05:41PM -0400, Vince Weaver wrote:
> 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.

I'm quite busy until night as well, so no rush.
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