lshal output is attached. In any case the problem was solved after I removed the cdrom and floppy entries from /etc/fstab. However this might be a problem for people who need devices to appear in /etc/fstab.
** Attachment added: "lshal output" http://librarian.launchpad.net/5692041/lshal -- [feisty] cdrom double entries https://launchpad.net/bugs/77990 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
