I have the same issue and it worked before, maybe is the interaction of NX with gnome-settings-daemon
-- gnome-settings-daemon crashed with signal 5 in _XError() https://bugs.launchpad.net/bugs/409721 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs