On 2013-03-03 12:05, Nux! wrote: > On 03.03.2013 19:21, Joe Pruett wrote: >> something changed in the kvm audio subsystem, so a virt that was >> suspended during shutdown wouldn't resume after reboot. the logs had >> complaints of: >> >> savevm: unsupported version 2 for 'hda-audio' v1 >> load of migration failed >> >> i poked around on the rh bz site and found a few hits, but they seemed >> to be related to older versions. i forced a clean boot of my vm and it >> was happy. > Sounds like expected behaviour to me; because the kvm in 6.4 is > different in significant ways it's very problematic to resume. I would > imagine live migration between the previous version in 6.3 and the one > in 6.4 will also not work. This is not something new; this kind of stuff > requires the exact same version of KVM when playing with the guest's > memory. > This is all very IMHO and AFAIK. > it wasn't a huge deal for me since it was just a windows 7 vm on my desktop, but i would be quite cranky about this on a server with lots of client vms. maybe they wouldn't have audio and thus be unaffected, but forcing a reboot of all guests to facilitate an upgrade of the host isn't very friendly of our upstream overlords.