[pve-devel] [PATCH] usb2.0 as default + usb-tablet hotplug/unplug V2

[Dietmar Maurer]

> Yes, I think any hardware change can break snapshot with vmstate save.
> It's also true with qemu upgrades, as we always use the last pc-machine
> version, and some hardware change could occur.
> (maybe do we need to keep pc-machine option in snapshot config to keep
> compatibility ?)

Yes (although that will be a pain to maintain :-/)

There is also a new machine type called q35:

see qemu-kvm/docs/q35-chipset.cfg

seems to be incompatible with our addr mappings?