One of the developers of gnome-settings-demon has commented on the upstream-report: https://bugzilla.gnome.org/show_bug.cgi?id=638458
To summarize: udev seems to be responsible for this issue. The issue has been fixed in current versions of udev. ** Bug watch added: GNOME Bug Tracker #638458 https://bugzilla.gnome.org/show_bug.cgi?id=638458 ** Also affects: xorg-driver-synaptics via https://bugzilla.gnome.org/show_bug.cgi?id=638458 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/571638 Title: Keyboard does not work when touchpad disable button pressed -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs