http://bugs.winehq.org/show_bug.cgi?id=11933
--- Comment #6 from karaluh karaluh@karaluh.pl 2008-03-10 11:53:02 --- (In reply to comment #5)
x600 and fglrx 8.29.6.
From what I have found it's fglrx fault. Upgrade the driver to newest version
possible.