For many the issue with booting a live cd/usb on nvidia was fixed here (post beta2 Bug 1043518
(Though with the current 3.5.0-17-generic #27 the "[drm] nouveau 0000:01:00.0: GPU lockup - switching to software fbcon" is now seen on shutdown/restart, only seems to affect how long it takes to do so -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1048701 Title: NVidia GPU lock-up on 12.10 Beta-1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1048701/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp