I also have experienced exactly the same issue. The message 'Gave up waiting for root device, no block devices found (x4)' is displayed and I am them dropped to a Busybox prompt.
Typing: dmraid -ay exit Then allows the system to boot correctly. I am running 2.6.28-11-server kernel -- [jaunty] Root on nvidia raid 1 mirror does not boot https://bugs.launchpad.net/bugs/358255 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
