Do you get the same when you shut down normally, with System -> Quit menu item? If you issue halt from a system console (control-alt-f1), do you get a crash too?
Is anything printed on the screen when it hangs, or just the progress bar + Ubuntu logo?
Do you get the same when you shut down normally, with System -> Quit menu item? If you issue halt from a system console (control-alt-f1), do you get a crash too?
Is anything printed on the screen when it hangs, or just the progress bar + Ubuntu logo?