Machine reboots when I start up a virtual machine

Asked by Jon Samuels on 2012-03-27

Running Xubuntu 11.10 on a Dell Inspiron 1521. Whenever I try to start up a virtual machine via VirtualBox, whether I'm using an actual CD or a .iso file for it to boot from, the machine just up and restarts itself. Sometimes it gets to the boot menu of the virtual machine before doing this, sometimes not. Unsure as to cause. Have used the same .iso files on other machines before via VirtualBox with no trouble, so no sure what the problem could be.

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Ubuntu virtualbox Edit question
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If you delete the virtualbox config folders then rerun, is it ok (I assume you have not configured any VMs)

Can you give the output of:

lsb_release -a; uname -a; dpkg -l | grep -i virtualbox


Jon Samuels (jt-2) said : #2

Will post what happens after deleting the config files after I hit submit here. Below are the outputs from the commands you listed:

lsb_release -a:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 11.10
Release: 11.10
Codename: oneiric

uname -a:
Linux jttheninja-laptop 3.0.0-17-generic-pae #30-Ubuntu SMP Thu Mar 8 17:53:35 UTC 2012 i686 athlon i386 GNU/Linux

dpkg -l|grep -i virtualbox:
ii virtualbox 4.1.2-dfsg-1ubuntu1 x86 virtualization solution - base binaries
ii virtualbox-dkms 4.1.2-dfsg-1ubuntu1 x86 virtualization solution - kernel module sources for dkms
ii virtualbox-qt 4.1.2-dfsg-1ubuntu1 x86 virtualization solution - Qt based user interface

What is the output of:

apt-cache policy virtualbox


Jon Samuels (jt-2) said : #4

Hrm...couldn't find where the config files were to delete them, so I tried uninstalling and reinstalling the package, but it appears the virtual machine I set up is still there...anyway, here's the output of

apt-cache policy virtualbox:

sh: getcwd() failed: No such file or directory
sh: getcwd() failed: No such file or directory
sh: getcwd() failed: No such file or directory
  Installed: 4.1.2-dfsg-1ubuntu1
  Candidate: 4.1.2-dfsg-1ubuntu1
  Version table:
 *** 4.1.2-dfsg-1ubuntu1 0
        500 oneiric/universe i386 Packages
        100 /var/lib/dpkg/status


echo "deb oneiric contrib" | sudo tee -a /etc/apt/sources.list > /dev/null
wget -q -O- | sudo apt-key add -
sudo apt-get --purge remove virtualbox
sudo apt-get --purge autoremove
sudo apt-get update
sudo apt-get install virtualbox-4.1

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