Re: XFS corruption on post 3.7 tree.

[Ben Myers <bpm@xxxxxxx>]

Hi Dave,

On Thu, Dec 13, 2012 at 05:10:57PM -0500, Dave Jones wrote:
> On Thu, Dec 13, 2012 at 03:55:22PM -0500, Dave Jones wrote:
>  > Doing a kernel build while running on a 3.7+ tree from last night and I 
> hit this...
>  > 
>  > 
>  > [22637.787422] XFS: Internal error XFS_WANT_CORRUPTED_RETURN at line 163 
> of file fs/xfs/xfs_dir2_data.c.  Caller 0xffffffffa070086a

Looks like the dir v2 verifier found that a single block directory had a data
entry without a corresponding leaf entry in the block.

> I unmounted, remounted, unmounted, and then ran xfs_repair on it, as prompted.
> xfs_repair noted..
> 
> bad hash table for directory inode 201328949 (bad stale count): rebuilding

Interesting!
                                                                
> After remounting, things seemed ok again.
> I blew away my .ccache on that drive, and restarted my compile,
> and then hit the same bug again.

Suppose you could you grab a metadump before repairing it next time?  

Regards,
        Ben