http://bugs.winehq.org/show_bug.cgi?id=20915
--- Comment #16 from Chris chris.kcat@gmail.com 2010-06-12 22:13:48 --- Unfortunately, I have yet to find the actual cause for this. I did find that turning off desktop OpenGL compositing (KDE4's particularly) helped noticeably though, which also just reinforces my belief that it is some problem between the low-level ALSA stuff and OpenGL.