Re: XFS breakage in 2.6.18-rc1

From: Nathan Scott
Date: Sun Jul 23 2006 - 19:09:12 EST

On Sat, Jul 22, 2006 at 05:27:24PM +0100, Christian Kujau wrote:
> On Wed, 19 Jul 2006, Nathan Scott wrote:
> > 2.6.18-rc1 should be fine (contains the corruption fix). Did you
> > mkfs and restore? Or at least get a full repair run? If you did,
> > and you still see issues in .18-rc1, please let me know asap.
> well, at least for me, corruption/errors *started* with 2.6.18-rc1:
> ...
> I downgraded to and the errors stopped. Now I've upgraded to
> 2.6.18-rc2 and see the same errors:
> xfs_da_do_buf: bno 16777216
> dir: inode 24472381

This is an ondisk corruption - downgrading the kernel will not
resolve it. The problem must be triggered by a combination of
operations on a directory; I'm certain that if you access inode
24472381 on your filesystem on 2.6.17, that it'll shutdown your
filesystem too. See the FAQ entry for a description on how to
translate inums to paths, and also the repair -n step to detect
any corruption ondisk.


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