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Whenever I shutdown or reboot, there is a very long delay (several minutes) before the system will shutdown. I was getting a nm-dispatch signal 15 so I thought the problem might be with network manager. I purged network manager but it didn't help.

The message I get while shutting down is "killing all remaining processes... [fail]" with no further information.

If I don't hit up-arrow right away, I get the Ubuntu logo dots screen and they all remain white.

There is nothing in /var/crash

Things I've tried:

What can I do? How can I tell what is causing the hangup?

Update: I just did a fresh install, and this problem happens on the first reboot after the install.

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MikeJerome
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  • The "killing all remaining processes... [fail]" still happens even after reinstallation? – Braiam Jan 10 '14 at 02:05
  • Related: [13.10 Shutdown/Restart issue](http://askubuntu.com/questions/392215/13-10-shutdown-restart-issue) – Eliah Kagan Jan 10 '14 at 02:08
  • Braiam: Yes immediately upon the first reboot where you have to remove the installation media. It also says "modem manager caught signal 15 shutting down. – MikeJerome Jan 10 '14 at 02:09
  • Could this be [bug 1066484](https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1066484) or [bug 1024868](https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1024868)? – Eliah Kagan Jan 10 '14 at 02:22
  • My system is a Lenovo W700 which doesn't seem to be a supported Ubuntu model. Maybe this is causing some problems? – MikeJerome Jan 10 '14 at 02:34
  • I'm also getting this bug even though I'm connected to the internet: http://askubuntu.com/questions/310098/ubuntu-software-center-states-no-network-connection-in-reviews-but-internet so I'm thinking this might have something to do with my network cards? I've tried uninstalling both network-manager and modem-manager and the delayed shutdown problem persists. – MikeJerome Jan 10 '14 at 02:47

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