[Bug 1438612] Re: remote file systems hang on shutdown, D-BUS stops too early

[stormhike]

I have found a workaround on my 16.04.1 system (whether dbus problem that was already fixed or not).
I removed the .sh from the umount files in rc0.d, rc6.d and init.d ...
su
cd /etc/init.d/
mv umountnfs.sh umountnfs
cd /etc/rc0.d
rm K05umountnfs
ln -s ../init.d/umountnfs K05umountnfs
cd /etc/rc6.d
rm K05umountnfs
ln -s ../init.d/umountnfs K05umountnfs

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https://bugs.launchpad.net/bugs/1438612

Title:
  remote file systems hang on shutdown, D-BUS stops too early

Status in D-Bus:
  Won't Fix
Status in dbus package in Ubuntu:
  Fix Released

Bug description:
  (part of bug 1431774). During shutdown, D-Bus stops too early. In
  particular, it stops before NetworkManager and remote-fs.target,  so
  that any network unmount  will cause errors and hang the boot. This
  can be seen with

  $ journalctl -b -1 | egrep 'Stop.*(D-Bus|Network M|Remote F)'
  Mär 30 19:05:19 donald systemd[1]: Stopping D-Bus System Message Bus...
  Mär 30 19:05:19 donald systemd[1]: Stopped D-Bus System Message Bus.
  Mär 30 19:05:19 donald systemd[1]: Stopped target Remote File Systems.
  Mär 30 19:05:19 donald systemd[1]: Stopping Remote File Systems.
  Mär 30 19:05:19 donald systemd[1]: Stopped target Remote File Systems (Pre).
  Mär 30 19:05:19 donald systemd[1]: Stopping Remote File Systems (Pre).
  Mär 30 19:05:19 donald systemd[1]: Stopping Network Manager...
  Mär 30 19:05:42 donald systemd[1]: Stopped Network Manager.
  Mär 30 19:05:42 donald systemd[1]: Stopping D-Bus System Message Bus Socket.

  A quick workaround is to add After=dbus.service to
  /lib/systemd/system/NetworkManager.service's [Unit] section, but this
  should be fixed in a more general fashion.

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