http://bugs.winehq.org/show_bug.cgi?id=31595
--- Comment #4 from Andrew Eikum aeikum@codeweavers.com 2012-09-04 10:05:35 CDT --- As you're using Linux, I'm a little surprised at your CoreAudio bisect result. Can you attach a debug log with the channels from http://wiki.winehq.org/Sound?