[fedora-virt] Nested KVM help

James Slagle jslagle at redhat.com
Mon Aug 19 20:38:14 UTC 2013


On Mon, Aug 19, 2013 at 01:33:16PM -0500, Ian Pilcher wrote:
> On 08/19/2013 11:43 AM, James Slagle wrote:
> > cpu section of libvirt xml for L1 vm:
> >   <cpu mode='custom' match='exact'>
> >     <model fallback='allow'>Nehalem</model>
> >     <feature policy='require' name='vmx'/>
> >   </cpu>
> 
> Once upon a time I had RHEV running with nested KVM on F18.  I haven't
> tried it on F19, though.  The CPU section of the XML for one of the
> hypervisors looks like this:
> 
>   <cpu mode='custom' match='exact'>
>     <model fallback='allow'>Conroe</model>
>     <vendor>Intel</vendor>
>     <feature policy='require' name='vmx'/>
>   </cpu>
> 
> So maybe try setting the CPU type back to Conroe?

I tried that...no luck.

I've actually tried a few different processor types there, but that doesn't
seem to have any effect.

> Also, what type (generation) of processor does L0 have?  I'm not sure
> how well pre-SandyBridge CPUs handle this stuff.

It's a Nehalem, E5506.

--
-- James Slagle
--


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