Unmounting nfs mounts fail during shutdown. This is because in /etc/init.d/netmount there's need ${mydeps} while there should be need ${myneed}. ${mydeps} is undefined and thus empty and the portmap gets stopped before nfs shares is unmounted. So fixing the variable will do. Here's a diff. 24c24 < need ${mydeps} --- > need ${myneed}
*** This bug has been marked as a duplicate of 7803 ***