On Mon, 2016-07-18 at 16:09 +0100, Anthony PERARD wrote: >  > $ dwdiff procinfo_guest_ovmf_kvm procinfo_guest_ovmf_xen > processor : 0 > vendor_id : AuthenticAMD > cpu family : [-6-] {+21+} > model : [-6-] {+1+} > model name : [-QEMU Virtual CPU version 2.5+-] {+AMD > Opteron(tm) Processor 4284+} > stepping : [-3-] {+2+} > microcode : [-0x1000065-] {+0x600063d+} > Is it ok / expected for this (microcode, I mean) to be different? BTW, I'm super ignorant about all it's being discussed here, so this can well be completely off! Regards, Dario -- <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)