Ubuntu – Black screen when booting guest OS in virtualbox after 12.04 upgrade

kernelvirtualbox

I'm using an Ubuntu host to run a Windows 7 guest OS in virtualbox. Until I upgraded to 12.04, virtualbox started and booted the guest OS normally and everything was good.

After I upgraded to 12.04, whenever I tried to boot the guest OS, at some point in the boot process my computer would black screen, crashing both the guest and the host.

Are there any ways to figure out exactly what is causing the crash? Is there a solution that will allow me to continue using virtualbox without crashing the host OS?

I'm using kernel version 3.2.0-24 and virtualbox version 4.1.12.

Best Answer

Can you update to the new version 4.1.14?

To do this, add a new source:

sudo gedit /etc/apt/sources.list.d/virtualbox.list

And copy the following line into gedit, and save

deb http://download.virtualbox.org/virtualbox/debian precise contrib

Then add the signed key:

wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -

And then do a sudo apt-get update && sudo apt-get dist-upgrade

I think this will solve your problem, because we use the latest version, and we have no problems.

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