To avoid problems with update-grub, i used the following modifications in /boot/grub/menu.lst:
# kopt=root=/dev/cciss/c0d0p1 ro fb800x600 # defoptions=quiet -- Installation problem on HP Blade with the ILO Remote Console https://launchpad.net/bugs/32714 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs