Quoting Alex Bligh (a...@alex.org.uk): > > On 22 Jul 2014, at 19:43, Alex Bligh <a...@alex.org.uk> wrote: > > > Testing has been light to date (i.e. > > can I migrate it inbound with -S without anything complaining).
thanks, Alex! > > I've given this quite a bit more testing today. > > It works fine qemu-kvm 1.0 -> qemu-2.0+patch (cirrus vga) > It works fine qemu-2.0+patch -> qemu-2.0+patch (cirrus vga) > It doesn't (yet) work qemu-2.0+patch -> qemu-kvm 1.0 (cirrus vga). > > The reason for this is (at least) that I need to emulate the > broken versioning of the mc146818rtc timer section, as writing > it correctly confuses qemu-kvm 1.0. Therefore please don't bother > testing migration back to 1.0 yet. I don't think that is in any way a problem. Is migrating to older versions ever actually expected to work? In either case I don't think for this particular case it's a problem. (The "how to handle this in libvirt" question is more interesting) -serge
