If I boot 2.6.20-13 in rescue mode I do get the command prompt from which I can issue commands and bring up gdm, although I get an internal error for failure to initialize HAL.
-- System will not boot with kernel 2.6.20-13 unless acpi=off https://launchpad.net/bugs/98821 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs