Il 14/04/2014 17:16, Andreas Färber ha scritto:
>> Huh?! If you ever tried changing the order of PCI devices such as
>> virtio-blk-pci on the command line (or changing between if=virtio and
>> -device virtio-blk-pci) then surely it does change the order of the
>> /dev/vdX the guest sees and will be migration-incompatible. The order of
>> -drive and -device however, for instance, does not seem to matter. But
>> in this generality, your statement does not seem to reflect current reality.
>
> As far as I can tell libvirt is trying to be precise and specifies PCI bus
> name and PCI address for PCI devices.
Now that is very different from a generic "the device order should not
matter"! :)
It is. :)
In any case, if you do not implement something like "irq" property for
every device, you can forget about oVirt ever supporting migration
reliably on sPAPR.
Paolo
