On 04/11/2014 12:52 AM, Andreas Färber wrote: > Am 10.04.2014 16:40, schrieb Alexey Kardashevskiy: >> On 04/10/2014 10:40 PM, Alexander Graf wrote: >>> >>> Juan, is a different command line device order supposed to work with >>> migration? >> >> >> We discussed this on IRC with Paolo and the conclusion is that yes, the >> order should not matter. > > 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. -- Alexey
