http://bugs.winehq.org/show_bug.cgi?id=23323
--- Comment #139 from Henri Verbeet hverbeet@gmail.com 2010-07-06 12:37:41 --- (In reply to comment #137)
Console message at crash:
wine: Unhandled page fault on read access to 0xffffffff at address 0xb20e2e3 (thread 0009), starting debugger... Assertion 'pa_atomic_load(&e->pool->stat.exported_size) >= (int) b->length' failed at pulsecore/memblock.c:1106, function pa_memexport_process_release(). Aborting. Segmentation fault
That's a PulseAudio assert you're hitting.