On (Tue) 22 Jul 2014 [13:19:43], Alex Bligh wrote: > > On 22 Jul 2014, at 13:12, Paolo Bonzini <pbonz...@redhat.com> wrote: > > > There's something similar going on with PIIX4_PM but I don't remember > > the details. > > From memory: > > * qemu-1.0 uses the v2 format > * qemu-kvm-1.0 uses the v3 format but advertises itself as v2 > * qemu-2.1 uses the v3 format
Yea; I vaguely recall that happening. Quite unfortunate. > I don't quite understand whether Amit's checker is designed to pick > up all three situations as different, or whether it (quite reasonably) > expects people to play ball with version numbers. This is what it says: Section "PIIX4_PM" Section "PIIX4_PM" Description "piix4_pm": minimum version error: 2 < 3 Which means qemu-2.1 expects a minimum version of 3, but qemu-kvm-1.0 is sending it version 2. Now even though they may be compatible, version-number-wise they're not, as the dest qemu will also complain about. Amit