My apologies if this is the wrong place to post this message, but it seems like a good place to start.  I had the XQuartz hanging problem (_xp_async_dequeue lockup) mentioned in the post and can confirm that 2.2.1 appears to fix the problem.  Is there any indication of when this will be picked up in the Apple Leopard update cycle?

Thanks in advance,

- Wes

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Wesley D. Turner, Ph.D.
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-371-3971 x120