http://bugs.winehq.org/show_bug.cgi?id=32014
--- Comment #12 from Rico kgbricola@web.de 2012-10-25 02:03:05 CDT --- It may be related to bug 31882 (or bug 31406). Gentoo ships an really old version of libxcb (the one wine needs is in emul-linux-x86-xlibs). You may try if one of the commits from the other bug reports broke it for you.