On Thu, Feb 03, 2022 at 06:08:55AM +0000, Strahil Nikolov wrote:
Host-passthrough & nested virtualization are mandatory.
Yes indeed. I don't know if I missed this in the docs, but it wasn't obvious. However using host-passthrough fixed it. Rich.
Best Regards, Strahil Nikolov
On Wed, Feb 2, 2022 at 18:54, Richard W.M. Jones <rjones@redhat.com> wrote: On Wed, Feb 02, 2022 at 05:42:33PM +0200, Juhani Rautiainen wrote: > Hi! > > Maybe you have to modify qemu VM CPU settings? I mean that usually if > you don't see the svm flag on AMD CPU, virtualization is not > available. This page suggests changes to qemu CPU model: > https://techviewleo.com/how-to-enable-nested-virtualization-on-kvm-qemu/ > > I think that the "host-passthrough" setting should let all the CPU > flags go through to the VM > (https://wiki.openstack.org/wiki/LibvirtXMLCPUModel).
Yes, thank you, you are absolutely right.
I had the CPU model set to "host-model" (where libvirt tries to create a model approximating the host). Changing it to "host-passthrough" (ie. same as qemu -cpu host) fixed it and allowed me to install oVirt node in the guest and activate it.
Rich.
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