linux-kernel - Re: next-20090206: kernel BUG at mm/slub.c:1132

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Message-Id: <1233934630.17551.1.camel@think.oraclecorp.com>
Date:	Fri, 06 Feb 2009 10:37:10 -0500
From:	Chris Mason <chris.mason@...cle.com>
To:	Alexander Beregalov <a.beregalov@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-btrfs@...r.kernel.org,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>
Subject: Re: next-20090206: kernel BUG at mm/slub.c:1132

On Fri, 2009-02-06 at 18:10 +0300, Alexander Beregalov wrote:
> Hi
> 
> I run dbench on btrfs, which is on file on xfs
> 
> btrfs: disabling barriers on dev /dev/loop/0
> ------------[ cut here ]------------
> kernel BUG at mm/slub.c:1132!
> invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
> last sysfs file: /sys/kernel/uevent_seqnum

Btrfs hammers on slab caches quite a lot, can you reproduce this without
loop or without btrfs?

-chris


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