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Date: Thu, 5 Oct 2006 14:50:42 -0700
From: Andrew Morton <akpm@osdl.org>
To: Jiri Slaby <jirislaby@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, sct@redhat.com,
       adilger@clusterfs.com, ext2-devel@lists.sourceforge.net
Subject: Re: 2.6.18-mm2: ext3 BUG?
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On Thu, 05 Oct 2006 23:34:13 +0159
Jiri Slaby <jirislaby@gmail.com> wrote:

> Hello,
> 
> while yum update-ing, yum crashed and this appeared in log:
> [ 2840.688718] EXT3-fs error (device hda2): ext3_free_blocks_sb: bit already 
> cleared for block 747938
> [ 2840.688732] Aborting journal on device hda2.
> [ 2840.688858] ext3_abort called.
>
> ...
>
> I don't know how to reproduce it and really have no idea what version of -mm 
> could introduce it (if any).

I don't necessarily see a bug in there.  The filesystem got a bit noisy but
did appropriately detect and handle the metadata inconsistency.

The next step would be to fsck that filesystem, see waht it says.