Alright, I'm not 100% sure this isn't user error, but I can't spot anything super-incriminating. Although, if you could attach your /boot/grub/menu.lst, that might be an issue, and try reinstalling modprobe.
** Changed in: linux-source-2.6.20 (Ubuntu) Assignee: Kevin Kubasik => Ubuntu Kernel Team Status: Needs Info => Confirmed -- [Feisty] 2.6.20-12 does not boot https://launchpad.net/bugs/94083 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs