Comment 11 for bug 370541

@Paul: Interesting - I'll give that a try in a bit.

@Sebastien: I've just experienced the problem again following a reboot (soft reboot) on the problem machine. I did enter my username & password at the gdm login screen and the desktop is up, other than that I've not done anything else on the machine. If you'll let me know which logs you'd like to see I'll attach them.