Re: perf_fuzzer crash on pentium 4

Cyrill Gorcunov
2014-05-28T14:06:37Z

On Wed, May 28, 2014 at 03:56:17PM +0200, Pavel Machek wrote:
> Hi!
>
> > 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.
> >
> > [ 67.872274] BUG: unable to handle kernel NULL pointer dereference at 00000004
> > [ 67.876146] IP: [<ffffffff81013df2>] p4_pmu_schedule_events+0xa5/0x331
>
> Pentium 4 's were not 64bit, were they?

Not all, but there were 64bit varians (Xeons iirc).