<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, May 30, 2017 at 3:42 PM, <span dir="ltr"><<a href="mailto:ovirt@fateknollogee.com" target="_blank">ovirt@fateknollogee.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Host: CentOS-7_v1611 (or Fedora 25 -my personal fav)<br>
VMs: oVirt nodes v4.1.2<br>
<br>
To setup nested KVM, I follow these instructions(<a href="https://pve.proxmox.com/wiki/Nested_Virtualization" rel="noreferrer" target="_blank">https://pve.proxm<wbr>ox.com/wiki/Nested_Virtualizat<wbr>ion</a>)<br>
<br>
to check if is enabled do ("kvm_intel" for intel cpu, "kvm_amd" for AMD)<br>
-root@proxmox:~# cat /sys/module/kvm_intel/paramete<wbr>rs/nested<br>
N<br>
(N means it's not, to enable ("kvm-intel" for intel, "kvm-amd" for AMD):)<br>
<br>
# echo "options kvm-intel nested=Y" > /etc/modprobe.d/kvm-intel.conf<br>
and reboot or reload the kernel modul<br>
<br>
modprobe -r kvm_intel<br>
modprobe kvm_intel<br>
check again<br>
<br>
-root@proxmox:~# cat /sys/module/kvm_intel/paramete<wbr>rs/nested<br>
Y<br>
<br>
Question: what other settings need to be enabled in the guest vm?<br>
See "test nested virt" at <a href="https://fedoraproject.org/wiki/How_to_enable_nested_virtualization_in_KVM" rel="noreferrer" target="_blank">https://fedoraproject.org/wiki<wbr>/How_to_enable_nested_virtuali<wbr>zation_in_KVM</a><br>
Do we need this setting in the vm?<br>
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<a href="http://lists.ovirt.org/mailman/listinfo/users" rel="noreferrer" target="_blank">http://lists.ovirt.org/mailman<wbr>/listinfo/users</a></blockquote><div><br></div><div>But one of the questions already asked to you also throughout the other thread was: </div><div>what hypervisor are you using?</div><div>More precisely, as it is clear it is Qemu-KVM, what is the way you start your VMs that are the candidates to become hypervisors in oVirt?</div><div>Is it with virt-manager, as described in one of the links you provided, or direct virsh commands or what?</div><div>If you are using virt-manager, what did you specify in CPUs --> Configuration --> Model ?</div><div>Did you choose the checkbox to "copy host cpu configuration"?</div></div><br></div><div class="gmail_extra">Gianluca</div></div>