Question

1

Trouble running VirtualBox on Ubuntu

rated 0 times [ 1] [ 0] / answers: 1 / hits: 39792 / 2 Years ago, thu, february 17, 2022, 9:44:49

I want to run VirtualBox on Ubuntu, it used to work a while ago but I can't remember when or why. However when I double-click on an OS to run, it tries to start - opens a window for the virtual OS, gives the "host key" message, but then 5 seconds later closes the OS window and gives this error:

Failed to load VMMR0.ro (VERR_SUPLIB_OWNER_NOT_ROOT)





Result Code: 

NS_ERROR_FAILURE (0x80004005)

Component: 

Console

Interface: 

IConsole {1968b7d3-e3bf-4ceb-99e0-cb7c913317bb}

If I run it with sudo virtualbox I still get the same problem. I've tried sudo apt-get purge virtualbox then sudo apt-get install virtualbox. I notice during the re-installation I get this amongst all the other output on the console:

Setting up virtualbox (4.1.12-dfsg-2ubuntu0.1) ...

 * Stopping VirtualBox kernel modules                                    [ OK ] 

 * Starting VirtualBox kernel modules

 * No suitable module for running kernel found                           [fail]

Any ideas?

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oneeme

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2 Years ago

answered 2 Years ago iriousutur · Accepted Answer

Resolved here. Have some serious permission problems and need to do a clean install.

Edit: quote

That listing of your /usr directory raises all sorts of red flags with the "2000 513" values for owner and group. Appearance of the numbers instead of user/group names indicates that the user and group do not exist in your system. Additionally, "2000" is a most unlikely user id for any flavor of Ubuntu. Non-system UIDs and GIDs start at 1000 and go up from there one at a time; to reach 2000 you would have to have added a thousand additional users! Similarly, system UID/GID numbering starts at 0 (which is "root") and seldom goes as high as 200.

Does your system have any other users? If so, is it likely that one of them could have been doing unusual things without your knowledge?

When any of my systems show such unlikely happenings, my first thought is to back up all critical data, then nuke the box and reinstall everything from scratch. While all flavors of Linux are much less vulnerable than some more widely used systems, mischief is always a possibility -- and gremlins can cause corruption of files without any human mischief being involved. You describe the system as "valuable" so a good backup needs to be available at all times anyway, before you make any attempt to fix things.