With test of iso image http://cdimage.ubuntu.com/daily-live/20110803/oneiric-desktop-amd64.iso when you select shut down from from the indicator now the system shuts down correctly on both USB persistent and non persistent key.
With test of iso image http:// cdimage. ubuntu. com/daily- live/20110803/ oneiric- desktop- amd64.iso when you select shut down from from the indicator now the system shuts down correctly on both USB persistent and non persistent key.