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Re: filesystem corruption in linus tree

To: "Marc Dietrich" <Marc.Dietrich@xxxxxxxxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Subject: Re: filesystem corruption in linus tree
From: "Barry Naujok" <bnaujok@xxxxxxx>
Date: Mon, 25 Feb 2008 11:36:28 +1100
In-reply-to: <03F8FD43-322F-41E3-A7A0-CD4E9AD8B4DE@ap.physik.uni-giessen.de>
Organization: SGI
References: <03F8FD43-322F-41E3-A7A0-CD4E9AD8B4DE@ap.physik.uni-giessen.de>
Sender: xfs-bounce@xxxxxxxxxxx
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On Sun, 24 Feb 2008 20:58:26 +1100, Marc Dietrich <Marc.Dietrich@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:

Hi,

somewhere after the release of 2.6.24 my xfs filesystem got corrupted. Initialy I thought it was only related to the readdir bug. (http://oss.sgi.com/archives/xfs/2008-02/msg00027.html) So I waited for the fix to go into mainline. Yesterday I tried again, but got this error during boot:

[stack trace snipped]

I seems that the log is corrupted because I can't mount the filesystem anymore (blocks while replaying). Mounting with norecovery option works. I tried to repair the filesystem, but xfs_repair also hangs in "Phase 3 - scan and clear agi unlinks lists". Before, Phase 2 reports some "ir_freecount/free.mismatch" lines.

Might have to add this to the FAQ as this is the second time someone has reported Phase 3 hanging.

Try running xfs_repair -P to try and get past this problem if you are
running xfsprogs 2.9.x.

This happens on a newly created filesystem with xfsprogs 2.6.9 (I also tested 2.5.22). I have a 32bit powermac, so it could be an endian issue.

Thanks

Marc






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