> Is there something else which is a prerequisite to 'qemu:commandline' > but if yes and I'm missing those, why would not then 'virsh' and/or > 'virtqemud' say something? No what you have looks ok, this is what I have as a test and is working ok. You can try and these to see if something is shown in the guest. <qemu:commandline> <qemu:arg value='-cpu'/> <qemu:arg value='host,hv_time,-hypervisor'/> <qemu:arg value='-smbios'/> <qemu:arg value='type=0,vendor=LENOVO,version=FBKTB4AUS,date=07/01/2015,release=1.180'/> <qemu:arg value='-smbios'/> <qemu:arg value='type=1,manufacturer=LENOVO,product=30AH001GPB,version="ThinkStation P300",serial=S4M62281,uuid=1ecefe02-f1b6-4bf8-a925-c9f4ae512209,sku=LENOVO_MT_30AH,family=P300'/> </qemu:commandline> </domain>