http://bugs.winehq.org/show_bug.cgi?id=22609
--- Comment #12 from Roderick Colenbrander thunderbird2k@gmail.com 2010-05-08 03:57:04 --- When not using DirectDrawRenderer=opengl (and not gdi either), the issue MIGHT be related to http://bugs.winehq.org/show_bug.cgi?id=20380 which is a Linux kernel bug related to the Wine exception handling code. Due to improvements of some other Wine code these issues have appeared.