VirtualBox

Opened 14 years ago

Closed 14 years ago

Last modified 14 years ago

#6087 closed defect (wontfix)

Unable to start VirtualBox while KVM loaded

Reported by: Jerome Poulin Owned by:
Component: VMM/HWACCM Version: VirtualBox 3.1.0
Keywords: Cc:
Guest type: Windows Host type: Linux

Description

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"/>
      </CPU>
...

Did I forget an option?

Change History (2)

comment:1 by Sander van Leeuwen, 14 years ago

Resolution: wontfix
Status: newclosed

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 by Sander van Leeuwen, 14 years ago

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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