better to always send video model=none when there's no managed video device. Otherwise libvirt adds cirrus which we no longer support
2 X Nvidia Tesla M60 under the same host with Nvidia Grid 9.1 GA drivers.
1. Prepare the next VMs:
RHEL 7 VM with mdev-type nvidia-18
Windows 10 VM with 3 mdev_type of nvidia-22
2. Run VMs.
For each of the next steps:
Verify VMs are running with Video model type="none" (observe vdsm.log VM XML or using virsh dumpxml command)
Verify VNC console is showing VMs display.
Verify Nvidia instances are assigned to VMs properly.
3. Power off -> run VMs 10 times.
4. Shutdown -> run VMs 10 times.
5. Reboot VMs 10 times.
6. Remove mdev_type instances from the VM and run VMs.
Verify QXL device is now listed in VM XML video section.
Verify VNC console is showing VM display.
7. Power off VMs, add mdev_type to VMs, run VMs and verify VMs Video model type is "none".