Sadly the same happens with Live CD NattyNarwhal - Alpha3 - Kubuntu. But this time i was able to get some logs, booting with Linux Mint 10 KDE Live CD, and it shows a "GPU lockup - switching to software fbcon". Clever thing, Linux Mint has a xorg failsafe for the boot.
** Attachment added: "kern.log" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/659406/+attachment/1890059/+files/kern.log -- 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/659406 Title: Kubuntu 10.10 (Maverick) Live-CD i386 Dektop does not boot _______________________________________________ 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