[Bug 1577120] Re: Mounted NFS share prevents shutdown

[Sean]

This issue is fixed for me by editing nfs-config.service and adding
After=local-fs.target remote-fs.target NetworkManager.service


sudo systemctl edit --full nfs-config.service


[Unit]
Description=Preprocess NFS configuration
After=local-fs.target remote-fs.target NetworkManager.service
DefaultDependencies=no

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/lib/systemd/scripts/nfs-utils_env.sh

Other suggestions on various forums dont work such as adding
dbus.service to wpa_supplicant.service

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https://bugs.launchpad.net/bugs/1577120

Title:
  Mounted NFS share prevents shutdown

Status in nfs-utils package in Ubuntu:
  Confirmed

Bug description:
  On ubuntu 16.04 I mount an NFS share using "sudo mount ip.ip.ip.ip:/remote_path/remote_path localpath/"
  When I try to shutdown or restart the computer it hangs.
  It appears to be attempting to unmount the NFS share and theres a timeout, but each time it reaches the timeout, it gets increased.

  I have read bug reports that similar issues were present in several previous ubuntu versions.
  One work around was to soft mount instead of the default hard mount.

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