From: Pekka Enberg <penberg@kernel.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>,
Eric Dumazet <eric.dumazet@gmail.com>,
"Alex,Shi" <alex.shi@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Christoph Lameter <cl@linux-foundation.org>,
Matt Mackall <mpm@selenic.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Tejun Heo <tj@kernel.org>,
Christian Kujau <lists@nerdbynature.de>
Subject: Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
Date: Mon, 21 Nov 2011 23:30:59 +0200 [thread overview]
Message-ID: <CAOJsxLGLZ23momLxidvhC+2LCtmnwmPMS2ASdke8V8gGFGa=AA@mail.gmail.com> (raw)
In-Reply-To: <1321907275.13860.12.camel@pasglop>
On Mon, 2011-11-21 at 20:51 +0100, Markus Trippelsdorf wrote:
>> On 2011.11.21 at 19:52 +0100, Markus Trippelsdorf wrote:
>> > On 2011.11.21 at 19:39 +0100, Eric Dumazet wrote:
>> > > Le lundi 21 novembre 2011 à 18:35 +0100, Markus Trippelsdorf a écrit :
>> > >
>> > > > New one:
>> > >
>> > > ...
>> > >
>> > > I was just wondering if you were using CONFIG_CGROUPS=y, and if yes, if
>> > > you could try to disable it.
>> >
>> > # CONFIG_CGROUPS is not set
>> >
>> > (I never enable CGROUPS on my machines)
>>
>> Just for the record, I've attached full dmesg and my .config.
>> (Will continue testing tomorrow)
On Mon, Nov 21, 2011 at 10:27 PM, Benjamin Herrenschmidt
<benh@kernel.crashing.org> wrote:
> Note that I hit a similar looking crash (sorry, I couldn't capture a
> backtrace back then) on a PowerMac G5 (ppc64) while doing a large rsync
> transfer yesterday with -rc2-something (cfcfc9ec) and
> Christian Kujau (CC) seems to be able to reproduce something similar on
> some other ppc platform (Christian, what is your setup ?)
>
> We haven't hit the poison checks, more like bad pointer derefs, almost
> always in SLUB coming from skb alloc or free.
>
> In my case, it's not easy to reproduce, so a bisection would be
> error-prone.
Does CONFIG_SLAB make all the issues go away or are you still able to
reproduce corruption with it? I'm asking because we have the per-cpu
partial list patches in 3.2-rc1 and I'd like to rule them out as a
suspect.
Pekka
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next prev parent reply other threads:[~2011-11-21 21:31 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-18 7:25 Markus Trippelsdorf
2011-11-18 7:55 ` Markus Trippelsdorf
2011-11-18 8:43 ` Alex,Shi
2011-11-18 8:54 ` Markus Trippelsdorf
2011-11-18 8:57 ` Markus Trippelsdorf
2011-11-18 12:02 ` Markus Trippelsdorf
2011-11-21 0:44 ` Alex,Shi
2011-11-21 7:29 ` Markus Trippelsdorf
2011-11-21 8:05 ` Markus Trippelsdorf
2011-11-21 8:24 ` Markus Trippelsdorf
2011-11-21 8:56 ` Eric Dumazet
2011-11-21 9:16 ` Eric Dumazet
2011-11-21 13:15 ` Markus Trippelsdorf
2011-11-21 14:16 ` Eric Dumazet
2011-11-21 14:21 ` Markus Trippelsdorf
2011-11-21 15:36 ` Markus Trippelsdorf
2011-11-21 15:48 ` Eric Dumazet
2011-11-21 16:10 ` Markus Trippelsdorf
2011-11-21 16:34 ` Markus Trippelsdorf
2011-11-22 8:36 ` Markus Trippelsdorf
2011-12-19 3:21 ` Eric W. Biederman
2011-12-19 9:19 ` Markus Trippelsdorf
2011-12-19 9:06 ` Eric W. Biederman
2011-11-21 16:52 ` Eric Dumazet
2011-11-21 17:15 ` Eric Dumazet
2011-11-21 17:35 ` Markus Trippelsdorf
2011-11-21 18:39 ` Eric Dumazet
2011-11-21 18:52 ` Markus Trippelsdorf
2011-11-21 19:51 ` Markus Trippelsdorf
2011-11-21 20:27 ` Benjamin Herrenschmidt
2011-11-21 21:30 ` Pekka Enberg [this message]
2011-11-21 21:43 ` Christoph Lameter
2011-11-22 0:21 ` Christian Kujau
2011-11-22 0:42 ` Christian Kujau
2011-11-22 2:17 ` Benjamin Herrenschmidt
2011-11-22 8:37 ` Christian Kujau
2011-11-22 3:18 ` Christoph Lameter
2011-11-22 7:48 ` Eric Dumazet
2011-11-22 7:51 ` Markus Trippelsdorf
2011-11-22 8:27 ` Eric Dumazet
2011-11-23 7:13 ` Markus Trippelsdorf
2011-11-23 7:20 ` Eric Dumazet
2011-11-22 8:39 ` Christian Kujau
2011-11-22 22:16 ` Benjamin Herrenschmidt
2011-11-22 22:31 ` Eric Dumazet
2011-11-22 22:32 ` Christoph Lameter
2011-11-22 21:58 ` Benjamin Herrenschmidt
2011-11-22 23:12 ` Christian Kujau
2011-11-23 0:18 ` Benjamin Herrenschmidt
2011-11-23 1:22 ` Christian Kujau
2011-11-23 1:43 ` Benjamin Herrenschmidt
2011-11-23 5:51 ` Christian Kujau
2011-11-23 6:59 ` Pekka Enberg
2011-11-23 15:14 ` slub: use irqsafe_cpu_cmpxchg for put_cpu_partial Christoph Lameter
2011-11-23 16:04 ` Eric Dumazet
2011-11-23 18:33 ` Christian Kujau
2011-11-24 6:45 ` Pekka Enberg
2011-11-23 23:15 ` David Rientjes
2011-11-22 8:45 ` WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413 Markus Trippelsdorf
2011-11-22 9:25 ` Eric Dumazet
2011-11-22 9:27 ` Eric Dumazet
2011-11-22 9:38 ` Eric Dumazet
2011-11-22 9:46 ` Eric Dumazet
2011-11-22 14:46 ` Christoph Lameter
2011-11-22 14:52 ` Eric Dumazet
2011-11-22 15:02 ` Christoph Lameter
2011-11-22 15:07 ` Christoph Lameter
2011-11-22 16:20 ` Christoph Lameter
2011-11-22 16:32 ` Eric Dumazet
2011-11-22 16:36 ` Christoph Lameter
2011-11-22 16:41 ` Christoph Lameter
2011-11-22 16:53 ` slub: Lockout validation scans during freeing of object Christoph Lameter
2011-11-22 17:21 ` Eric Dumazet
2011-11-22 17:40 ` Christoph Lameter
2011-11-22 18:55 ` Markus Trippelsdorf
2011-11-22 19:20 ` Christoph Lameter
2011-11-22 19:32 ` Markus Trippelsdorf
2011-11-22 19:46 ` Christoph Lameter
2011-11-22 17:59 ` Christoph Lameter
2011-11-22 11:21 ` WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413 Markus Trippelsdorf
2011-11-22 14:50 ` Christoph Lameter
2011-11-22 14:44 ` Christoph Lameter
2011-11-21 15:51 ` Markus Trippelsdorf
2011-11-23 16:03 ` Markus Trippelsdorf
2011-11-23 16:06 ` Christoph Lameter
2011-11-24 8:50 ` Markus Trippelsdorf
2011-12-01 8:44 ` Markus Trippelsdorf
2011-12-01 8:53 ` Pekka Enberg
2011-12-02 19:43 ` Jerome Glisse
2011-12-02 20:06 ` Markus Trippelsdorf
2011-12-02 20:48 ` Markus Trippelsdorf
2011-12-07 14:32 ` Robert Richter
2011-12-07 14:39 ` Markus Trippelsdorf
2011-12-02 23:04 ` Jerome Glisse
2011-12-03 9:28 ` Markus Trippelsdorf
2011-12-03 12:20 ` Dave Airlie
2011-12-03 12:29 ` Markus Trippelsdorf
2011-12-03 19:31 ` Jerome Glisse
2011-12-03 19:32 ` Jerome Glisse
2011-12-04 1:02 ` Markus Trippelsdorf
2011-12-04 17:32 ` Jerome Glisse
2011-12-05 17:10 ` Jerome Glisse
2011-12-05 18:15 ` Markus Trippelsdorf
2011-12-05 18:43 ` Jerome Glisse
2011-12-05 19:11 ` Jerome Glisse
2011-12-05 19:27 ` Markus Trippelsdorf
2011-12-05 20:10 ` Pekka Enberg
2011-12-05 20:20 ` Jerome Glisse
2011-12-05 10:44 ` David Laight
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