From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Vince Weaver <vincent.weaver@maine.edu>,
linux-kernel@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: perf_fuzzer crash on pentium 4
Date: Wed, 28 May 2014 18:06:32 +0400 [thread overview]
Message-ID: <20140528140632.GH2570@moon> (raw)
In-Reply-To: <20140528135617.GA25750@amd.pavel.ucw.cz>
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).
next prev parent reply other threads:[~2014-05-28 14:06 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-06 15:42 perf_fuzzer crash on pentium 4 Vince Weaver
2014-05-06 15:46 ` Peter Zijlstra
2014-05-06 15:49 ` Cyrill Gorcunov
2014-05-06 16:05 ` Vince Weaver
2014-05-06 16:06 ` Cyrill Gorcunov
2014-05-06 16:11 ` Vince Weaver
2014-05-06 16:16 ` Cyrill Gorcunov
2014-05-06 17:56 ` Vince Weaver
2014-05-06 20:23 ` Cyrill Gorcunov
2014-05-06 21:30 ` Vince Weaver
2014-05-06 21:46 ` Cyrill Gorcunov
2014-05-07 16:46 ` Vince Weaver
2014-05-07 16:49 ` Cyrill Gorcunov
2014-05-07 16:58 ` Cyrill Gorcunov
2014-05-07 17:07 ` Vince Weaver
2014-05-07 18:24 ` Cyrill Gorcunov
2014-05-07 21:17 ` Vince Weaver
2014-05-07 21:51 ` Cyrill Gorcunov
2014-05-07 21:54 ` Cyrill Gorcunov
2014-05-08 5:14 ` Vince Weaver
2014-05-08 5:40 ` Cyrill Gorcunov
2014-05-08 2:00 ` Don Zickus
2014-05-08 5:38 ` Cyrill Gorcunov
2014-05-08 7:37 ` Cyrill Gorcunov
2014-05-08 7:49 ` Cyrill Gorcunov
2014-05-08 8:02 ` Cyrill Gorcunov
2014-05-09 16:19 ` Vince Weaver
2014-05-09 16:30 ` Cyrill Gorcunov
2014-05-14 20:39 ` Cyrill Gorcunov
2014-05-15 5:31 ` Vince Weaver
2014-05-15 22:09 ` Cyrill Gorcunov
2014-05-28 13:56 ` Pavel Machek
2014-05-28 14:06 ` Cyrill Gorcunov [this message]
2014-05-28 15:20 ` Peter Zijlstra
2014-05-28 15:43 ` Cyrill Gorcunov
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