Ubuntu won't shutdown (stuck on "Stopping VirtualBox kernel modules")

Question

When try to shutdown the computer it stays on a "Stopping VirtualBox kernel modules" message. It looks like it has to do something with VirtualBox, but happens even if I didn't use VirtualBox at all. Also it happens randomly.

This is what I see on the screen.

The system is going down for halt now
* Stopping TiMidity++ ALSA MIDI Emulation...
hecking for running unattended-upgrades:
* Stopping UPnP devices daemon minissdpd
minissdpd[1194]: received signal 15, good bye
speech-dispatcher disabled; edit /etc/default/speech-dispatcher
* Stopping VirtualBox kernel modules

And it stays here forever if I don't do the "force power-off".

My specs: Ubuntu 12.04 LTS on Dell Studio 1555 Laptop

Try reinstalling VirtualBox guest additions, seems like it's freezing because something went wrong in the kernel installation. If you get an error or a warning while installing, post here. — Evandro Silva, Nov 02 '12 at 13:35
What is the output of `lsmod | grep vbox`? If there is some output, try `sudo rmmod ARG` where `ARG` is the first word in the above `lsmod` output? If this happens without any error messages please paste the file `/etc/init.d/virtualbox-ose` to some place and post the link to the file. — qbi, Nov 02 '12 at 14:02
Output of lsmod: _http://pastebin.com/mLWAFu9Q_ Insted of virtualbox-ose (I don't have this file) I uploaded /etc/init.d/virtualbox file here: _http://wikisend.com/download/908294/virtualbox_ — user568021, Nov 02 '12 at 15:01

score -1 · Accepted Answer · answered Nov 05 '12 at 18:14

-1

I think I found out what's causing this. It must be Apache or something, because if I stop xampp before shutdown, it all goes well. Unbelievable.

answered Nov 05 '12 at 18:14

user568021

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well...that means the problem is solved for me... – user568021 Nov 05 '12 at 18:15
Since there will be no more answers, think your answer is the right one, stopping xamp didn't work for me, though. – Evandro Silva Nov 06 '12 at 09:19
@EvandroSilva Could you try to `rmmod` to modules as described above? What happens? – qbi Nov 06 '12 at 20:02
@qbi `Module vboxsf is in use`, `Module vboxguest is in use by vboxsf`. – Evandro Silva Nov 07 '12 at 00:42
Could you paste the output of `lsmod | grep vbox` somewhere? Thanks. – qbi Nov 07 '12 at 09:47

Ubuntu won't shutdown (stuck on "Stopping VirtualBox kernel modules")

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