do you use any special input method or a11y or any program not part of the default installation that could be doing that? what window manager do you use, metacity or did you change for compiz or something else?
-- Some gtk+ programs (gvim, gedit, gnome terminal, firefox...) sometimes do not receive keyboard inputs https://launchpad.net/bugs/40137 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
