reproducible xfs/vmap oops

[Christoph Hellwig]

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.