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Re: reproducible xfs/vmap oops

To: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Subject: Re: reproducible xfs/vmap oops
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 3 Feb 2009 13:44:09 -0500
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20090203160515.GA30986@xxxxxxxxxxxxx>
References: <20090201081224.GA22398@xxxxxxxxxxxxx> <20090201161458.GA5930@xxxxxxxxxxxxx> <20090203155147.GB21278@xxxxxxxxxxxxx> <200902040303.13933.nickpiggin@xxxxxxxxxxxx> <20090203160515.GA30986@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
On Tue, Feb 03, 2009 at 11:05:15AM -0500, Christoph Hellwig wrote:
> On Wed, Feb 04, 2009 at 03:03:13AM +1100, Nick Piggin wrote:
> > Hmm, seems similar to the other one Dave saw. I suppose it could
> > be due to bad parameters being passed to vmap API, but quite
> > likely it could be a bug in vmap as well.
> > 
> > Any chance you can print out va_start and va_end from va and tmp
> > before going bug? (or if you like, I can try reproduce it with
> > xfsqa if there is a URL for it -- a quick google didn't help me).
> 
> It's at http://git.kernel.org/?p=fs/xfs/xfstests-dev.git
> 
> Right now I'm doing two verification runs with the current codebase
> and just that patch reverted as a second verification.  After that
> I can do a patch with the debug printks.

With that patch reverted it completes three complete xfsqa runs without
problems.  Now running with the debug printks instead.

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