We get this problem on servers 12.04.5 running Trusty kernel 3.13.0-65-generic (and on 12.04.4 running Quantal kernel 3.5.0-54 )
/etc/fstab has a slash at the start of the NFS server path /proc/mounts has an unnecessary extra "/" on the NFS path: like this :- nfs-server://home/users /export/home/nfshomes nfs4 ..... whereas /etc/mtab correctly does not ... nfs-server:/home/users /export/home/nfshomes This is a nasty bug in a basic utility (umount.nfs) and really should be fixed !! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/974374 Title: Error on unmounting a NFSv4 share To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/974374/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs