Ticket #6087 (closed defect: wontfix)

Opened 8 years ago

Last modified 8 years ago

Unable to start VirtualBox while KVM loaded

Reported by: TiCPU Owned by:
Priority: minor Component: VMM/HWACCM
Version: VirtualBox 3.1.0 Keywords:
Cc: Guest type: Windows
Host type: Linux


Even with VT-x disabled VirtualBox won't start if KVM loaded, it says it wants to start in VMX_ROOT_MODE even if it's disabled, I checked in config file and changed every hardware acceleration to false:

  <Hardware version="2">
      <CPU count="1">
        <HardwareVirtEx enabled="false"/>
        <HardwareVirtExNestedPaging enabled="false"/>
        <HardwareVirtExVPID enabled="false"/>
        <PAE enabled="false"/>

Did I forget an option?

Change History

comment:1 Changed 8 years ago by sandervl73

  • Status changed from new to closed
  • Resolution set to wontfix

Yes, and that is very clearly documented. The warning also clearly tells you what to do: unload the KVM module.

This is not our problem: it's KVM's unwillingness to share your computer with any other hypervisor.

comment:2 Changed 8 years ago by sandervl73

To stress this *again*: VirtualBox's software virtualization will crash your computer if the CPUs are in VMX root mode. (64 bits host or 32 bits with PAE paging)

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