i confirm this, the system can not reboot or shutdown. Not reboot/shutdown on login-manger (gdm), not on desktop (gnome-shell) or terminal.
My System: Ubuntu GNOME 14.04 (upgrade from Ubuntu 12.04 with gnome-shell 3.4) + gnome-shell 3.10 + nvidia gforce 210m with nvidia-331-updates driver.
i confirm this, the system can not reboot or shutdown. Not reboot/shutdown on login-manger (gdm), not on desktop (gnome-shell) or terminal.
My System:
Ubuntu GNOME 14.04 (upgrade from Ubuntu 12.04 with gnome-shell 3.4) + gnome-shell 3.10 + nvidia gforce 210m with nvidia-331-updates driver.