Comment 4 for bug 292588

Revision history for this message
Motin (motin) wrote : Re: VirtualBox can't operate in VMX root mode.

The workaround is to disable KVM:

1. Install "bum" (Boot-up Manager): sudo apt-get install bum
2. Start Boot-up Manager (in systems menu) and untick "Full virtualization on i386 and amd64 hardware - kvm"
3. Click Apply

Answer yes to make the change effective right away.