Public bug reported:

Using Ubuntu 16.04 Desktop with Unity, used the same approach in 14.04
with no issue.

I prepare for mounting with the following entry in /etc/fstab my
Synology NAS :

//192.168.178.61/data /media/server/server_data cifs
users,uid=1000,gid=1000,username=xxxxx,passwd=xxxxxx,iocharset=utf8,sec=ntlm,noauto,_netdev
0

After login to unity, I mount it with a bash-script (mount -a) which is
called from ~/.config/autostart/myMounts.desktop

Doing this, and shuting down or rebooting lead into a very delayed
shutdown (round about 2 minutes) Pressing ESC Key, showed that the
process stops at the command "umount /media/server ..."

I have not tested if this also occurs when I am connected via ethernet.
I think it is because the (Wifi)Network is already disabled prior all
umounts are done.

This issue happens even if I type in a shutdown command into a Terminal
or if I choose shutdown form the menue, also if I use the power-button.

Failure can be avoided if I umount the network-drives manually previouse
to reboot.

Interim solution was, to create an alias for "shutdown" like "sh
/path/to/umount/script.sh && shutdown" in /etc/bash.bashrc.local.

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


** Tags: cifs delay nfs shutdown umount

** Description changed:

  I prepare for mounting with the following entry in /etc/fstab my
  Synology NAS :
  
  //192.168.178.61/data /media/server/server_data cifs
  
users,uid=1000,gid=1000,username=xxxxx,passwd=xxxxxx,iocharset=utf8,sec=ntlm,noauto,_netdev
  0
  
- After login to unity, I mount it with a bash-script (mount -a)
+ After login to unity, I mount it with a bash-script (mount -a) which is
+ called from ~/.config/autostart/myMounts.desktop
  
  Doing this, and shuting down or rebooting lead into a very delayed
  shutdown (round about 2 minutes) Pressing ESC Key, showed that the
  process stops at the comman "umount /media/server ..."
  
  I have not tested if this also appears when I am connected via ethernet.
  I think it is because the Network is already disabled prior all umounts
  are done.
  
  This issue happens even if I type in a shutdown command into a Terminal
  or if I choose shutdown form the menue, also if I use the power-button.
  
- Failure can be avaided if I umount the network-drives manually previouse
+ Failure can be avoided if I umount the network-drives manually previouse
  to reboot.
  
  Interim solution was, to create an alias for "shutdown" like "sh
  /path/to/umount/script.sh && shutdown" in /etc/bash.bashrc.local.

** Description changed:

- I prepare for mounting with the following entry in /etc/fstab my
- Synology NAS :
+ Using Ubuntu 16.04 Desktop with Unity, used the same approach in 14.04
+ with no issue.
+ 
+ 
+ I prepare for mounting with the following entry in /etc/fstab my Synology NAS 
:
  
  //192.168.178.61/data /media/server/server_data cifs
  
users,uid=1000,gid=1000,username=xxxxx,passwd=xxxxxx,iocharset=utf8,sec=ntlm,noauto,_netdev
  0
  
  After login to unity, I mount it with a bash-script (mount -a) which is
  called from ~/.config/autostart/myMounts.desktop
  
  Doing this, and shuting down or rebooting lead into a very delayed
  shutdown (round about 2 minutes) Pressing ESC Key, showed that the
  process stops at the comman "umount /media/server ..."
  
  I have not tested if this also appears when I am connected via ethernet.
  I think it is because the Network is already disabled prior all umounts
  are done.
  
  This issue happens even if I type in a shutdown command into a Terminal
  or if I choose shutdown form the menue, also if I use the power-button.
  
  Failure can be avoided if I umount the network-drives manually previouse
  to reboot.
  
  Interim solution was, to create an alias for "shutdown" like "sh
  /path/to/umount/script.sh && shutdown" in /etc/bash.bashrc.local.

** Description changed:

  Using Ubuntu 16.04 Desktop with Unity, used the same approach in 14.04
  with no issue.
  
- 
- I prepare for mounting with the following entry in /etc/fstab my Synology NAS 
:
+ I prepare for mounting with the following entry in /etc/fstab my
+ Synology NAS :
  
  //192.168.178.61/data /media/server/server_data cifs
  
users,uid=1000,gid=1000,username=xxxxx,passwd=xxxxxx,iocharset=utf8,sec=ntlm,noauto,_netdev
  0
  
  After login to unity, I mount it with a bash-script (mount -a) which is
  called from ~/.config/autostart/myMounts.desktop
  
  Doing this, and shuting down or rebooting lead into a very delayed
  shutdown (round about 2 minutes) Pressing ESC Key, showed that the
- process stops at the comman "umount /media/server ..."
+ process stops at the command "umount /media/server ..."
  
- I have not tested if this also appears when I am connected via ethernet.
- I think it is because the Network is already disabled prior all umounts
- are done.
+ I have not tested if this also occurs when I am connected via ethernet.
+ I think it is because the (Wifi)Network is already disabled prior all
+ umounts are done.
  
  This issue happens even if I type in a shutdown command into a Terminal
  or if I choose shutdown form the menue, also if I use the power-button.
  
  Failure can be avoided if I umount the network-drives manually previouse
  to reboot.
  
  Interim solution was, to create an alias for "shutdown" like "sh
  /path/to/umount/script.sh && shutdown" in /etc/bash.bashrc.local.

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https://bugs.launchpad.net/bugs/1577885

Title:
  120sec delay during shutdown or reboot with still mounted cifs (via
  Wifi)

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