Re: 2.6.0: ext3 journal aborted with ext3/lvm/raid5

[Luca Berra <bluca@comedia.it>]

On Thu, Feb 19, 2004 at 01:08:05PM -0800, Steven Ihde wrote:
>On Wed, Feb 18, 2004 at 11:55:50AM -0300, Leandro Guimarães Faria Corsetti Dutra wrote:
>> On Wed, 07 Jan 2004 12:53:26 -0800, Steven Ihde wrote:
>> 
>> > I get "Aborting journal on device dm-x" and associated errors about every
>> > week or two.  This is on a 2.6.0 kernel, ext3 filesystem running on lvm
>> > over md raid5.
>> 
>> 	I've found a similar situation, have any fix came forth?
>
>Funny you should bring it up now.  When I posted back in January it
>was suggested that I verify my hardware/memory was OK and also try to
>reproduce the bug on 2.4.24.  So, I ran burnBX/burnMMX for a couple
>days, turned up no problems, did memtest86 overnight, also no
>problems, and then I switched to 2.4.24.

I have seen this as well, no problem on 2.4 + md (raid5) + lvm2,
about every night on 2.6.2

>I ran 2.4.24 (plus dm-1.00.07 for lvm2) for about 25 days and had no
>problems.  This seemed like reasonable evidence the problem doesn't
>exist (or takes longer to show up) in 2.4.24.  So then I switched to
>2.6.2 (that being the latest 2.6 kernel).  After about six days uptime
>on 2.6.2, I started seeing the problem again.
>
>Can anyone suggest what the next step is?  

I believe it is another stacking problem, since there is no problem with
using only one of md and lvm2, but i have no idea how to get
more details on this. I also am an ext3 only user so i have no idea if
other fs are affected.

>Here are the latest entries from my syslog (this is 2.6.2).  As it
>usually does, this occurred early in the morning while the locatedb
>was being updated.
>
>Feb 14 06:12:44 hamachi kernel: EXT3-fs error (device dm-4): ext3_readdir: bad entry in directory #5160995: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0
>Feb 14 06:12:44 hamachi kernel: Aborting journal on device dm-4.
>Feb 14 06:12:45 hamachi kernel: ext3_abort called.
>Feb 14 06:12:45 hamachi kernel: EXT3-fs abort (device dm-4): ext3_journal_start: Detected aborted journal
>Feb 14 06:12:45 hamachi kernel: Remounting filesystem read-only
>Feb 14 06:13:56 hamachi kernel: EXT3-fs error (device dm-4) in start_transaction: Journal has aborted
>Feb 14 06:13:57 hamachi last message repeated 741 times

Regards,
L.

-- 
Luca Berra -- bluca@comedia.it
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