[pve-devel] disable-efi-enable-pxe-roms.patch break livemigration from old qemu guest without pxe

[Dietmar Maurer]

> This break livemigration from old qemu with virtio-net  (without pxe rom) to
> new qemu with virtio-net (with pxe rom)
> 
> 
> 
> "
> kvm: Length mismatch: 0000:00:12.0/virtio-net-pci.rom: 0x10000 in != 0x40000:
> Invalid argument
> kvm: error while loading state for instance 0x0 of device 'ram'
> kvm: load of migration failed: Invalid argument

What version do we talk about here? We use pxe roms for a long time now. I have
tested a 
view live migrations and they worked without problems...