http://bugs.winehq.org/show_bug.cgi?id=9492
--- Comment #14 from Gregor Münch greg87@online.de 2007-09-01 13:56:06 --- The important line in your backtrace is: 1 0x7dace0f0 in fglrx_dri.so (+0x2c40f0) (0x01c0ed08)
This indicates that the crash happens in your drivers. Where in this bug the crash happens in wine.