linux-kernel - Re: kernel BUG at mm/slub.c:3409, 3.8.0-rc7

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Date:	Mon, 18 Feb 2013 20:32:54 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Christoph Lameter <cl@...ux.com>,
	Denys Fedoryshchenko <denys@...p.net.lb>
Cc:	Marcin Slusarz <marcin.slusarz@...il.com>,
	dri-devel@...ts.freedesktop.org, penberg@...nel.org,
	mpm@...enic.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: kernel BUG at mm/slub.c:3409, 3.8.0-rc7

[+cc Marcin Slusarz, dri-devel]

On Tue, 2013-02-19 at 00:21 +0000, Christoph Lameter wrote:
> The problem is that the subsystem attempted to call kfree with a pointer
> that was not obtained via a slab allocation.
> 
> On Sat, 16 Feb 2013, Denys Fedoryshchenko wrote:
> 
> > Hi
> >
> > Worked for a while on 3.8.0-rc7, generally it is fine, then suddenly laptop
> > stopped responding to keyboard and mouse.
> > Sure it can be memory corruption by some other module, but maybe not. Worth to
> > report i guess.
> > After reboot checked logs and found this:
> >
> > Feb 16 00:40:17 localhost kernel: [23260.079253] ------------[ cut here
> > ]------------
> > Feb 16 00:40:17 localhost kernel: [23260.079257] kernel BUG at mm/slub.c:3409!
> > Feb 16 00:40:17 localhost kernel: [23260.079259] invalid opcode: 0000 [#1] SMP
> > Feb 16 00:40:17 localhost kernel: [23260.079262] Modules linked in:
> > ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4
> > xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle iptable_filter
> > ip_tables tun bridge stp llc nouveau snd_hda_codec_hdmi coretemp kvm_intel

Was there an allocation failure earlier in the log?

Might be this nouveau bug (linux-next at the time was 3.8 now):
https://bugs.freedesktop.org/show_bug.cgi?id=58087

I think this was fixed but neither bug report has a cross reference :(

The original report is here:
https://bugzilla.kernel.org/show_bug.cgi?id=51291

Pekka,
Can you please re-assign the bugzilla #51291 above to DRI? Thanks.

Regards,
Peter Hurley

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