http://bugs.winehq.org/show_bug.cgi?id=33113
--- Comment #1 from Henri Verbeet hverbeet@gmail.com 2013-03-04 04:44:36 CST --- (In reply to comment #0)
$ wine cmd
C:\Program Files\TheHell> TheHell.exe
fixme:ddraw:ddraw7_WaitForVerticalBlank iface 0x131228, flags 0x1, event (nil) stub!
This could potentially cause something like this, but you'd need a +tid,+ddraw log to tell. (Or perhaps a backtrace for the involved threads from winedbg.)