[Bug 1617512] [NEW] x-systemd.automount causes system to fail to boot

[Nazar Mokrynskyi]

Public bug reported:

I've changed /etc/fstab mount line from:
UUID=78fc6e4d-9a37-406d-9bde-449fd8595373 /media/Data ext4 relatime 0 1
to:
UUID=78fc6e4d-9a37-406d-9bde-449fd8595373 /media/Data ext4 noauto,x-systemd.automount,relatime 0 1

Now system fails to boot, in logs I see:
systemd[1]: Starting of media-Data.automount not supported.
systemd[1]: Dependency failed for Local File Systems.
systemd[1]: local-fs.target: Job local-fs.target/start failed with result 'dependency'.
systemd[1]: local-fs.target: Triggering OnFailure= dependencies.
systemd[1]: Started Emergency Shell.
systemd[1]: Reached target Emergency Mode.

While according to
http://manpages.ubuntu.com/manpages/xenial/man5/systemd.mount.5.html it
should work.

I'm on Xenial as of today.

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  I've changed /etc/fstab mount line from:
  UUID=78fc6e4d-9a37-406d-9bde-449fd8595373 /media/Data ext4 relatime 0 1
  to:
  UUID=78fc6e4d-9a37-406d-9bde-449fd8595373 /media/Data ext4 noauto,x-systemd.automount,relatime 0 1
  
  Now system fails to boot, in logs I see:
  systemd[1]: Starting of media-Data.automount not supported.
  systemd[1]: Dependency failed for Local File Systems.
  systemd[1]: local-fs.target: Job local-fs.target/start failed with result 'dependency'.
  systemd[1]: local-fs.target: Triggering OnFailure= dependencies.
  systemd[1]: Started Emergency Shell.
  systemd[1]: Reached target Emergency Mode.
  
  While according to
  http://manpages.ubuntu.com/manpages/xenial/man5/systemd.mount.5.html it
  should work.
+ 
+ I'm on Xenial as of today.

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https://bugs.launchpad.net/bugs/1617512

Title:
  x-systemd.automount causes system to fail to boot

Status in systemd package in Ubuntu:
  New

Bug description:
  I've changed /etc/fstab mount line from:
  UUID=78fc6e4d-9a37-406d-9bde-449fd8595373 /media/Data ext4 relatime 0 1
  to:
  UUID=78fc6e4d-9a37-406d-9bde-449fd8595373 /media/Data ext4 noauto,x-systemd.automount,relatime 0 1

  Now system fails to boot, in logs I see:
  systemd[1]: Starting of media-Data.automount not supported.
  systemd[1]: Dependency failed for Local File Systems.
  systemd[1]: local-fs.target: Job local-fs.target/start failed with result 'dependency'.
  systemd[1]: local-fs.target: Triggering OnFailure= dependencies.
  systemd[1]: Started Emergency Shell.
  systemd[1]: Reached target Emergency Mode.

  While according to
  http://manpages.ubuntu.com/manpages/xenial/man5/systemd.mount.5.html
  it should work.

  I'm on Xenial as of today.

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