I have crash too but on Gnome3 on Ubuntu 13.04. After crash top bar of gnome disappears and keyboard shortcuts look like not working. Yes in my case keyboard works and I am able to restart computer by typing reboot in console.
I have crash too but on Gnome3 on Ubuntu 13.04. After crash top bar of gnome disappears and keyboard shortcuts look like not working. Yes in my case keyboard works and I am able to restart computer by typing reboot in console.