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

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Message-ID: <a4423d670902090544g7b7dbe9aj415141c46d1fc95f@mail.gmail.com>
Date:	Mon, 9 Feb 2009 16:44:20 +0300
From:	Alexander Beregalov <a.beregalov@...il.com>
To:	Chris Mason <chris.mason@...cle.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

2009/2/6 Chris Mason <chris.mason@...cle.com>:
> 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?
Hi Chris

No, I can not reproduce it without loop.
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