I exported a nfs share (rw,sync,no_subtree_check) on Ubuntu 18.04.1 LTS, used nfs-kernel-server: 1:1.3.4-2.1ubuntu5 and nfs-common: 1:1.3.4-2.1ubuntu5 nautilus: 1:3.26.4-0~ubuntu18.04.2 and could not reproduce the problem. Ensure the system is properly patched.
I exported a nfs share (rw,sync, no_subtree_ check) on Ubuntu 18.04.1 LTS, used nfs-kernel-server: 1:1.3.4-2.1ubuntu5 and nfs-common: 1:1.3.4-2.1ubuntu5 nautilus: 1:3.26. 4-0~ubuntu18. 04.2 and could not reproduce the problem. Ensure the system is properly patched.