http://bugs.winehq.org/show_bug.cgi?id=28848
--- Comment #6 from DL dredgingthelake@gmail.com 2011-10-28 22:40:35 CDT --- Issue doesn't occur when using the nouveau driver, so it's probably a driver bug.
Discussion thread here: http://www.nvnews.net/vbulletin/showthread.php?p=2495927#post2495927