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From: Zheng Liu <gnehzuil.liu@gmail.com>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: semenko@syndetics.net, linux-ext4@vger.kernel.org,
	semenko@alum.mit.edu, tytso@mit.edu, djwong@us.ibm.com
Subject: Re: "Unknown code" error when enabling metadata_csum on ext4 raid1 device
Date: Wed, 1 Aug 2012 16:17:44 +0800	[thread overview]
Message-ID: <20120801081744.GA13335@gmail.com> (raw)
In-Reply-To: <5018E00F.1000207@wpkg.org>

On Wed, Aug 01, 2012 at 02:51:43PM +0700, Tomasz Chmielewski wrote:
> On 08/01/2012 02:48 PM, Zheng Liu wrote:
> 
> >>didn't try the patch yet, but I've noticed the following in dmesg since 3.5:
> >>
> >>[69004.637293] EXT4-fs warning (device sda1): dx_probe:732: Corrupt dir inode 524293, running e2fsck is recommended.
> >>[69004.637330] EXT4-fs warning (device sda1): dx_probe:647: dx entry: limit != root limit
> >>[69004.637335] EXT4-fs warning (device sda1): dx_probe:732: Corrupt dir inode 524293, running e2fsck is recommended.
> >>[69004.637365] EXT4-fs warning (device sda1): dx_probe:647: dx entry: limit != root limit
> >>[69004.637370] EXT4-fs warning (device sda1): dx_probe:732: Corrupt dir inode 524293, running e2fsck is recommended.
> >>
> >>
> >>Could this be related?
> >
> >Are these messages printed before you enable metadata_csum feature?
> 
> I didn't notice them before trying to enable metadata_csum feature.
> 
> On the other hand, enabling metadata_csum feature was pretty much
> the first thing I've made after booting to 3.5 kernel on this
> system, so it could be it changed something.

Yes, it will change something when you try to enable metadata_csum
feature in tune2fs.  So you'd better to run e2fsck to check your
filesystem IMHO.

> 
> 
> Also, when I do:
> 
> 	dumpe2fs -h /dev/sda1|grep metadata_csum
> 
> I don't see metadata_csum feature anywhere.

You won't see this feature until you can enable this feature successful.

Regards,
Zheng

  reply	other threads:[~2012-08-01  8:09 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-31  2:53 "Unknown code" error when enabling metadata_csum on ext4 raid1 device Nick Semenkovich
2012-08-01  7:19 ` Zheng Liu
2012-08-01  7:16   ` Tomasz Chmielewski
2012-08-01  7:48     ` Zheng Liu
2012-08-01  7:51       ` Tomasz Chmielewski
2012-08-01  8:17         ` Zheng Liu [this message]
2012-08-02  3:43           ` Nick Semenkovich
2012-08-02  9:58             ` Zheng Liu
2012-08-03  4:01   ` Theodore Ts'o

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