http://bugs.winehq.org/show_bug.cgi?id=28597
--- Comment #10 from Alexandre Julliard julliard@winehq.org 2011-11-04 16:31:48 CDT --- (In reply to comment #9)
So it's actually surprising we don't see random crashes from that thread when winmm is forcefully unloaded when the app exits.
Libraries are of course not unloaded at exit time, that would be pointless.