http://bugs.winehq.org/show_bug.cgi?id=23135
--- Comment #38 from Matteo Bruni matteo.mystral@gmail.com 2011-01-07 07:38:12 CST --- Created an attachment (id=32754) --> (http://bugs.winehq.org/attachment.cgi?id=32754) Don't call glPixelParameter with a random context.
This patch seems to fix the crash for me. There could be other bugs around, however.