Re: perf_fuzzer crash on pentium 4

Cyrill Gorcunov
2014-05-06T16:06:55Z

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.