oopses in xfs_attr_shortform_* on kerneloops.org

[Eric Sandeen]

Christoph Hellwig wrote:
> On Thu, Jan 01, 2009 at 10:01:36PM -0600, Eric Sandeen wrote:
>> I noticed this on kerneloops.org and pinged Christoph about it but I'll
>> go ahead & point it out here & file a bug so it doesn't get lost:
>>
>> http://www.kerneloops.org/search.php?search=xfs_attr_shortform&btnG=Function+Search
>>
>> would seem to indicate a problem, though not a (recent) regression anyway.
> 
> Yeah, I've been looking into and the disassemly looks like we have
> a NULL attribut fork pointer for some reason.  I did some poking
> around in the code and couldn't a cause for it.  So if anyone of
> the kerneloops submitters actually is on the list and can reproduce
> it that would be extremly helpful.

This *might* be a clue:

http://article.gmane.org/gmane.comp.file-systems.xfs.general/22156

one of those oopses, and associated xfs_repair output for the fs in
question... doesn't make anything clearer to me, though, offhand.

-Eric