*** This bug is a duplicate of bug 63558 *** I was able to work around the problem by adding vga=791 to /boot/grub/menu.lst:
# defoptions=vga=791 quiet splash -- usplash looks corrupted and leaves virtual consoles unusable https://launchpad.net/bugs/65704 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs