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Re: xfs corruption or not

To: Ivan Gyurdiev <ivg2@xxxxxxxxxxx>
Subject: Re: xfs corruption or not
From: Nathan Scott <nathans@xxxxxxx>
Date: Fri, 4 Jun 2004 15:29:54 +1000
Cc: Linux-Kernel <linux-kernel@xxxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <40BFDB13.7000901@xxxxxxxxxxx>
References: <40BFDB13.7000901@xxxxxxxxxxx>
Sender: linux-xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.5.3i
On Thu, Jun 03, 2004 at 08:14:43PM -0600, Ivan Gyurdiev wrote:
> ...
> errors. I also did an xfs_repair on the system, which corrected problems..
> However, thunderbird still generates the following oops, and then it 
> becomes unkillable. Do you think this is most likely due to:
> - memory is still defective
> - there's corruption on-disk which isn't fixed
> or
> - this is an actual bug in xfs
> Note that there's no input/output errors after the oops, and only 
> thunderbird causes this (so far).

Do you know if the kernel was low on memory at the time?  (any
signs of allocation failures in your system log?)

This looks like a memory allocation failure which hasn't been
gracefully handled (or approriately retried) in XFS - there's
a few patches being worked on to improve this, but they aren't
ready to be merged in just yet.

> EFLAGS: 00010206   (2.6.6-1.406)
> EIP is at xfs_bmbt_set_all+0x2f/0x5c [xfs]
> Process thunderbird-bin (pid: 3799, threadinfo=04b32000 task=041aadf0)

> [<0a8c48f7>] xfs_bmap_insert_exlist+0x97/0xae [xfs]
> [<0a8c1cc7>] xfs_bmap_add_extent_hole_delay+0x42f/0x485 [xfs]



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