http://bugs.winehq.org/show_bug.cgi?id=30606
--- Comment #2 from Andrew Eikum aeikum@codeweavers.com 2012-05-07 09:59:06 CDT --- Created attachment 40076 --> http://bugs.winehq.org/attachment.cgi?id=40076 winmm: Close open wave devices upon process detach
This should be fixed by this patch.