[Bug 292588] Re: VirtualBox can't operate in VMX root mode.

[Thierry Carrez]

Created https://answers.launchpad.net/ubuntu/+source/virtualbox-
ose/+question/122834 to track the solution to the general issue.

** Summary changed:

- VirtualBox can't operate in VMX root mode.
+ Removing qemu-kvm doesn't prevent kvm module from getting loaded (purging works ok)

** Changed in: qemu-kvm (Ubuntu)
   Importance: Medium => Low

-- 
Removing qemu-kvm doesn't prevent kvm module from getting loaded (purging works ok)
https://bugs.launchpad.net/bugs/292588
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Status in “qemu-kvm” package in Ubuntu: Triaged
Status in “virtualbox-ose” package in Ubuntu: Invalid

Bug description:
Binary package hint: virtualbox-ose

When starting virtualmachine, VirtualBox will complain now:

"Failed to start the virtual machine XYZ

VirtualBox can't operate in VMX root mode. Please disable the KVM kernel extension, recompile your kernel and reboot.
VBox status code: -4011 (VERR_VMX_IN_VMX_ROOT_MODE).

Result Code: 
NS_ERROR_FAILURE (0x80004005)
Component: 
Console
Interface: 
IConsole {e3c6d4a1-a935-47ca-b16d-f9e9c496e53e}"

This worked with 8.04 LTS ubuntu, so how can I install kernel that will work with new virtualbox on 8.10?

# lsb_release -rd
Description:	Ubuntu 8.10
Release:	8.10
# apt-cache policy virtualbox-ose
virtualbox-ose:
  Asennettu: 2.0.4-dfsg-0ubuntu1
  Ehdokas: 2.0.4-dfsg-0ubuntu1
  Versiotaulukko:
 *** 2.0.4-dfsg-0ubuntu1 0
        500 http://fi.archive.ubuntu.com intrepid/universe Packages
        100 /var/lib/dpkg/status