It appears that your kernel is unable to properly load the driver for some of your hardware.
Are you able to get to the LiveCD? Could you attach /var/log/syslog? And the output of `dmesg` and `lspci -vvn`? ** Changed in: linux-source-2.6.20 (Ubuntu) Importance: Undecided => Medium -- Feisty herd 3 doesn't boot from Live CD https://launchpad.net/bugs/83420 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs