Ok, interesting. Could you boot without "quiet" or "splash" on the kernel command line, but with "--debug"
And then from the console (not X) run shutdown -r now ... if you can type the last 5 lines on the screen at the point it hangs, that would be very useful -- computer won't restart after upstart is installed https://launchpad.net/bugs/61812 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
