[Bug 803709] Re: Hang on shutdown

[Bonzer]

Do you have any remote network shares mounted?

I also recently started getting this symptom on Ubuntu 11.04. where it
hangs on shutdown at the line "Checking for running unattended-upgrades"
for maybe 5 - 10 minutes, although it does eventually shutdown if you
wait long enough. I found doing "shutdown -h now" on the terminal works
immediately. It was only slow at shutting down when using the Ubuntu
"Shutdown" menu option.

It started after I changed my network settings. I use wired Ethernet. I
eventually discovered it seems to be something to do with having a
remote network share and at what stage in the shutdown process Ubuntu
decides to disconnect/disable the network.

I found two fixes:

1) If you dismount remote network shares prior to shutting down, it shuts down immediately. I have one CIFS share set to auto-mount at boot in my fstab.
2) In "Network Connections", I had the "Available to all users" check box unticked for my Ethernet card. As soon as I ticked this box, it started shutting down immediately without needing to manually dismount my CIFS share first.

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https://bugs.launchpad.net/bugs/803709

Title:
  Hang on shutdown

Status in “upstart” package in Ubuntu:
  New

Bug description:
  Every once in a while since upgrading from 10.04 to 11.04 my computer
  will hang on shutdown while showing a text console.  This isn't fun
  for when shutting down unattended.

  The last message on the screen is "Checking for running unattended-
  upgrades: _"

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: upstart 0.9.7-1
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  NonfreeKernelModules: fglrx
  Architecture: i386
  Date: Wed Jun 29 20:41:16 2011
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: upstart
  UpgradeStatus: No upgrade log present (probably fresh install)

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