Re: Issue with configuration of nested virtualization

2022-12-28 Thread Christopher Klooz
I have just checked current Docs of libvirt (which I consider most representative/relevant) about host-passthrough and host-model (and a related SuSE page for comparison with RHEL concerning host-passthrough): host-passthrough/-model are still different and both are what they used to be. Conce

Re: Issue with configuration of nested virtualization

2022-12-28 Thread Peter Boy
Hi Chris, > Am 27.12.2022 um 23:01 schrieb Christopher Klooz : > ... > The Red Hat Docs you refer to differ to the Quick Docs page: see 1. II. of > the procedures of both Intel and AMD at the RHEL link (as you indicated, it > seems that RHEL 9 has not yet anything online about the topic, at lea

Re: Issue with configuration of nested virtualization

2022-12-27 Thread Christopher Klooz
Hi Peter, I have not much experience with nested virtualization in particular. But although I am quite sure that it will not fail without host-passthrough, I cannot imagine it to be sufficiently efficient without making use of host-passthrough in production (and also not effective in many use

Issue with configuration of nested virtualization

2022-12-27 Thread Peter Boy
In order to use nested virtualization, Fedora Quick Docs[1] advises to activate that feature in the host kernel using modprobe and editing the file /etc/modprobe.d/kvm.conf. The comment in this file provides the same information. Additionally, you are to configure the processor of the VM hostin