http://bugs.winehq.org/show_bug.cgi?id=24870
--- Comment #3 from paulo i30817@gmail.com 2010-10-23 22:54:48 CDT --- This thread: https://bbs.archlinux.org/viewtopic.php?pid=829370
says the problem exists in other games, though i've not personally experimented that case. It's possible i've been seeing it in my MWSE morrowind bugs, not sure, and can't verify until a persistent way to set processor affinity is found.