http://bugs.winehq.org/show_bug.cgi?id=18636
--- Comment #13 from 3vi1 winehq.org@eternaldusk.com 2009-08-10 08:59:35 --- (In reply to comment #12)
The window gets destroyed before we're done cleaning up GL resources. This means we don't have a valid GL context at the time.
Any idea how that's happening out of order? I'm sure you have a plan of attack. :)