http://bugs.winehq.org/show_bug.cgi?id=26582
--- Comment #2 from Austin English austinenglish@gmail.com 2012-01-21 18:12:04 CST --- No longer hangs, game exits at that point: Disney Interactive Studios\Split Second Demo\SplitSecondDEMO.exe: /var/tmp/portage/x11-libs/libX11-1.4.1/work/libX11-1.4.1/src/xcb_io.c:140: dequeue_pending_request: Assertion `req == dpy->xcb->pending_requests' failed.
which looks like an X11 problem. I'll run a regression test for that when I get more time..