http://bugs.winehq.org/show_bug.cgi?id=31768
--- Comment #4 from Palmer Dabbelt palmem@comcast.net 2012-09-25 11:10:31 CDT --- (In reply to comment #3)
Looks like your mouse driver doesn't set any labels at all. What system is that?
I run Gentoo with "x11-base/xorg-server-1.12.2" and "x11-apps/xinput-1.6.0". I'll also attach my xorg.conf in case that helps any.