Quite often this boot problem is because you have a JMicron controller, though I cannot tell for sure in your case. There is a critical fix for this controller bug in the Feisty daily builds: http://cdimage.ubuntu.com/daily-live/current. Please try the appropriate ISO and report the results.
** Changed in: linux-source-2.6.20 (Ubuntu) Assignee: (unassigned) => Tim Gardner Status: Unconfirmed => Needs Info -- boot problem https://launchpad.net/bugs/96523 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs