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Re: oopses in xfs_attr_shortform_* on kerneloops.org

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: oopses in xfs_attr_shortform_* on kerneloops.org
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Fri, 02 Jan 2009 22:09:32 -0600
Cc: xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <20090102175911.GA29506@xxxxxxxxxxxxx>
References: <495D91A0.4050304@xxxxxxxxxxx> <20090102175911.GA29506@xxxxxxxxxxxxx>
User-agent: Thunderbird (Macintosh/20081209)
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:


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


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