[Users] Nested kvms

[Antoni Segura Puimedon]

On Thu, 2012-08-16 at 06:17 -0500, Brent Bolin wrote:
> I have also been working with nested kvm topology.  However I'm using AMD.
> 
> Posted a thread to this group months ago about running node and engine
> on the same physical box.
> 
> When selecting the VM setup I'm using "kvm" not "qemu".  When I select
> within virt-manager "Copy host CPU configuration" it sees Opteron_G3.
> The physical CPU is AMD Phenom II X4 965 .
I also used the copy host CPU config. from Xeon it went to Sandy Bridge,
which AFAIK it could very well be the correct Xeon generation on the
host.
> 
> The virtual host is running  Mint(Ubuntu 12.04) with Cinnamon desktop.
> 
> On Thu, Aug 16, 2012 at 2:04 AM, Antoni Segura Puimedon
> <asegurap at redhat.com> wrote:
> > Hi list!
> >
> > I've been playing lately with nested VMs in a configuration where I have
> > a VM for the ovirt-engine and another to be used as a host (both created
> > with virt-manager).
> >
> > After adding the virtualized host to the engine, I could start VMs but
> > their boot process was always hanging/kernel panicking. The cpu type I
> > had set for the virtualized host was Sandy bridge.
> >
> > After some trial and error, I changed the cpu type of the virtualized
> > host to Conroe (as well as the cluster cpu type) and suddenly I can run
> > VMs well through installation and usage without any kind of trouble.
> >
> > My question is... Any similar experiences? Or is it possible that in the
> > meantime some yum update to qemu-kvm fooled me?
> >
> > Best,
> >
> > Toni
> >
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