It appears that this was caused by not properly having fsid=0 in the NFS4 server config. So pilot error in the config, but a very misleading message from the NFS4 client code.
-- mount.nfs4: Cannot allocate memory https://bugs.launchpad.net/bugs/309897 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs