mount nfs: "can't read superblock"

# showmount -e 192.168.1.21
Export list for 192.168.1.21:
/home/share (everyone)
# mount -t nfs 192.168.1.21:/home/share /mnt/tmp
mount: 192.168.1.21:/home/share: can't read superblock

---

Solution: try using the -o nolock option from the nfs mount command
# mount -t nfs 192.168.1.21:/home/share /mnt/tmp -o nolock

//EOF