https://bugs.winehq.org/show_bug.cgi?id=33940
--- Comment #3 from Andrew Eikum aeikum@codeweavers.com --- I think this should be fixed by:
commit 50cdc6d7f3d04fafcd7b859814653be403df98e4 Author: Andrew Eikum aeikum@codeweavers.com Date: Wed Dec 17 09:28:21 2014 -0600
wineoss.drv: Don't use SNDCTL_DSP_GETISPACE.
This shouldn't be needed as the device is opened in non-blocking mode, and it appears this function is unimplemented on PCBSD.