linux-kernel - ext3 filesystem error: ext3_get_inode

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Message-ID: <487B12EA.3020907@einfochips.com>
Date:	Mon, 14 Jul 2008 14:18:42 +0530
From:	Dhruval Shah <dhruval.shah@...fochips.com>
To:	linux-kernel@...r.kernel.org
Subject: ext3 filesystem error: ext3_get_inode_block: group >= groups count

Hi,

I am working on an Embedded System in which I have a Compact Flash and 
Linux(2.6.11) with EXT3 file system on Compact Flash.
Recently I changed my file system attributes to "sync" in "/etc/fstab" 
and then I am facing issue.

What I conclude after debugging is that when the application is writing 
to the file which is in /dev/hda8 (we have IDE interface with the CF) 
and if the system's power goes off abruptly then the next time when the 
system is booting it complains while mounting the /dev/hda8 partition that:
*[root@...in ~]# mount /dev/hda8 tmp/
mount: wrong fs type, bad option, bad superblock on /dev/hda8,
       or too many mounted file systems
[root@...in ~]#           
*
dmesg showed me this:
*EXT3-fs error (device hda8): ext3_get_inode_block: group >= groups count
EXT3-fs: invalid journal inode.
*
I tried to run fsck and e2fsck as well but it didn't solve the problem.

I have seen that some patch to the kernel is around for ignoring this 
error but I am not sure whether this is the genuine problem or I can 
apply the patch to my kernel and ignore it.

I wish to be personally CC'ed the answers/comments posted to the list in 
response to this posting.

Thanks,
Dhruval


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