Same issue for me. CTRL-Cing from checkinstall creates a /no-backup and change the permissions of the root to /. See also http://www.ubuntuforums.org/showthread.php?t=191477
Everything seems to be fixed by: rm -rf /no-backup chmod 755 / as root, but this is still a major bug. -- checkinstall hid my root partition https://launchpad.net/bugs/45763 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs