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

From: Chris Mason <[email-masked]>
Date: Fri, 06 Feb 2009 10:37:10 -0500

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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