diff --git a/etc/kayobe/kolla/config/nova/nova-compute.conf b/etc/kayobe/kolla/config/nova/nova-compute.conf
new file mode 100644
index 0000000..ebaf4fc
--- /dev/null
+++ b/etc/kayobe/kolla/config/nova/nova-compute.conf
@@ -0,0 +1,11 @@
+{% raw %}
+[libvirt]
+# RHEL 9 and Ubuntu Jammy are being compiled for the x86_64-v2
+# architecture which is newer than the qemu default of qemu64.
+# Nehalem is apparently the oldest model that works for x86_64-v2
+# and is expected to work on Intel and AMD cpus with kvm or qemu.
+{% if nova_compute_virt_type == 'kvm' %}
+cpu_mode=custom
+cpu_model=Nehalem
+{% endif %}
+{% endraw %}