http://bugs.winehq.org/show_bug.cgi?id=35491
--- Comment #4 from Christopher Thielen christopher@thielen.co --- It seems to affect every fullscreen game I've tried but Ultima IX (gog.com edition) is one of them.
I'm wondering if its some kind of bad interaction with the Nouveau driver but I should mention native Linux applications that go fullscreen don't seem to suffer this issue.
What I marked in AppDb:
Ultima IX (1.19 / gog.com): http://appdb.winehq.org/objectManager.php?sClass=version&iId=14203&i...
Unreal (Gold edition): http://appdb.winehq.org/objectManager.php?sClass=version&iId=16595&i...
Descent 3 (gog.com): http://appdb.winehq.org/objectManager.php?sClass=version&iId=15198&i...
Deus Ex (GOTY edition): http://appdb.winehq.org/objectManager.php?sClass=version&iId=28026