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Thread: Failed to load VMMR0.r0 (VERR_SUPLIB_OWNER_NOT_ROOT).

  1. #1
    Join Date
    Jan 2009

    Failed to load VMMR0.r0 (VERR_SUPLIB_OWNER_NOT_ROOT).

    I have a problem starting virtualbox on my ubuntu 11.04 .
    install shows no error and i can manage a new virtual but when i'm going to start the new virtual with windows xp it give me error !
    I installed and removed many times !
    I installed virtualbox-4.0 and 4.1 from terminal and also from synaptic virtualbox-ose all with same result !!!
    I searched so much and read many post over the net and i have no idea what i should do to make it work !!!
    here is the error when i click the start :
    Failed to open a session for the virtual machine Windows XP.
    Failed to load VMMR0.r0 (VERR_SUPLIB_OWNER_NOT_ROOT).
    Result Code: NS_ERROR_FAILURE (0x80004005)
    Component: Console
    Interface: IConsole {1968b7d3-e3bf-4ceb-99e0-cb7c913317bb}
    i chown root:root /usr/lib/virtualbox/
    and this is the output :

    payam@PAYAM-UBUNTU:/$ sudo chown root:root /usr/lib/virtualbox/
    payam@PAYAM-UBUNTU:/$ ls -ld /usr/lib/virtualbox/
    drwxr-xr-x 5 root root 4096 2011-10-11 00:57 /usr/lib/virtualbox/
    any idea what should i do to make it run my virtual.

  2. #2
    Join Date
    Jan 2009

    Re: Failed to load VMMR0.r0 (VERR_SUPLIB_OWNER_NOT_ROOT).

    any idea ?????

  3. #3
    Join Date
    Jul 2009

    Lightbulb Re: Failed to load VMMR0.r0 (VERR_SUPLIB_OWNER_NOT_ROOT).

    I had the same problem. I'm running Kubuntu 11.10 with VirtualBox 4.1.6 regularly updated from Oracle's own .deb file. It turns out, as Googling suggests, my /usr and /usr/lib were owned by user:group 501:501. Weird, I have no idea how this happened. /usr/lib/virtualbox and its contents were owner:group root:root.

    So, in a terminal, check by entering:
    ls -ld /usr /usr/lib
    If it doesn't show "root root", then enter:
    sudo chown root:root /usr /usr/lib
    After this I retried and I could boot a VirtualBox from my .iso

    I hope this helps.


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