- Watch during boot,
see what's slow - To see boot messages,
edit /boot/grub/menu.lst:
title Ubuntu 9.04, kernel 2.6.28-11-generic uuid 47158fea-77cf-48ab-8b95-1cdf73cd1e12 kernel /boot/vmlinuz-2.6.28-11-generic root=... ro
quiet splashinitrd /boot/initrd.img-2.6.28-11-generic