http://bugs.winehq.org/show_bug.cgi?id=31882
--- Comment #8 from Qian Hong fracting@gmail.com 2012-10-05 00:32:38 CDT --- (In reply to comment #7)
What version of libxcb are you using? That particular backtrace looks like an issue from libxcb 1.7 that was resolved in 1.8.
I'm using libxcb 1.7-3 from Ubuntu 10.10 repository. Due to Bug comment #4 GyB is using libxcb-1.8.1-1.fc17.i686 and get the same backtrace.