http://bugs.winehq.org/show_bug.cgi?id=3769
--- Comment #8 from Paul Romanyszyn pgr@arcelectronicsinc.com 2008-11-30 20:24:52 --- Looking at the current console output it may be this fixme:ddraw:IDirectDrawImpl_WaitForVerticalBlank (0x1e6668)->(1,(nil)): Stub is not yielding and that is causing the high cpu usage.