fsck per sda2 e sda5

xubuntu@xubuntu:~$ sudo fsck -fv /dev/sda2
fsck from util-linux 2.20.1
e2fsck 1.42 (29-Nov-2011)
fsck.ext2: Attempt to read block from filesystem resulted in short read while trying to open /dev/sda2
Could this be a zero-length partition?
xubuntu@xubuntu:~$ sudo fsck -fv /dev/sda5
fsck from util-linux 2.20.1
fsck: fsck.swap: not found
fsck: error 2 while executing fsck.swap for /dev/sda5