On Thu, 2006-01-26 at 17:15 +1030, Tim wrote:
One chance to see where the problem might be is to switch over to a text console (e.g. CTRL+ALT+1), log in as root, then issue the poweroff command and watch the sequence of events.
That should be CTRL + ALT + F1 (the F1 key, not just the 1 key at the end).