https://bugs.winehq.org/show_bug.cgi?id=38605
--- Comment #1 from Austin English austinenglish@gmail.com --- Backtrace: =>0 0x7dc220f0 _XSend+0x30() in libx11.so.6 (0x7ce90710) 1 0x7dc18065 XQueryExtension+0x94() in libx11.so.6 (0x7ce92f38) 2 0x7dc0bd7c XInitExtension+0x3b() in libx11.so.6 (0x7d629a7c) 3 0x7dd4cbac XextAddDisplay+0x4b() in libxext.so.6 (0x7d642364) 4 0x7d61c515 in libgl.so.1 (+0x5c514) (0x7ce90710) 5 0x7ceba920 (0x7be132a4) 6 0x7b9890e0 in fglrx_dri.so (+0x20110df) (0x7b989094)
looks like fglrx is involved, can you try with mesa?