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Re: [xfs-masters] 2.6.29-rc: kernel BUG at fs/xfs/support/debug.c:108

To: Alexander Beregalov <a.beregalov@xxxxxxxxx>
Subject: Re: [xfs-masters] 2.6.29-rc: kernel BUG at fs/xfs/support/debug.c:108
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 20 Jan 2009 15:33:19 -0500
Cc: Dave Chinner <david@xxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, xfs-masters@xxxxxxxxxxx, xfs@xxxxxxxxxxx, kernel-testers@xxxxxxxxxxxxxxx
In-reply-to: <a4423d670901201054t3e48ece2ned4a7e3254250fce@xxxxxxxxxxxxxx>
References: <20090110143924.GA25900@xxxxxxxxxxxxx> <a4423d670901100709v1e7ce0bfs167547c5001787ac@xxxxxxxxxxxxxx> <20090110152803.GA7469@xxxxxxxxxxxxx> <20090110221459.GA8873@orion> <20090111104659.GB8071@disturbed> <a4423d670901111648w26e86baajcf7b6d98ff37d043@xxxxxxxxxxxxxx> <20090112034550.GI8071@disturbed> <a4423d670901120008j728af9cdrbed8bbb938117ea3@xxxxxxxxxxxxxx> <20090112211848.GL8071@disturbed> <a4423d670901201054t3e48ece2ned4a7e3254250fce@xxxxxxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
On Tue, Jan 20, 2009 at 09:54:44PM +0300, Alexander Beregalov wrote:
> Hi
> 
> Is it a new bug?
> It is pre-2.6.29-rc1 kernel, which was supossed to be free of the bug
> "fs_is_ok, file: fs/xfs/xfs_btree.c, line: 3327"

>From the trace it's a post-btree consolidation kernel, so all the bugs
in -rc1 are there, too.  It looks like this is the readahead type
cockup that Geert noticed, so this particular one should be fixed in
-rc2.

I would strongly recommend to just turn on CNFIG_LBD for post-2.6.28
kernels for now as all the problems showing up are without CONFIG_LBD.

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