ubuntu@ubuntu:~$ mkdir /chroot; sudo mount /dev/hda1 /chroot; sudo chroot /chroot
mkdir: cannot create directory `/chroot': File exists
mount: /dev/hda1 already mounted or /chroot busy
mount: according to mtab, /dev/hda1 is mounted on /home/ubuntu/tmp
chroot: cannot run command `/bin/bash': No such file or directory
ubuntu@ubuntu:~$