Re: [PATCH v2 0/4] Fix "virtio-gpu: fix scanout migration post-load"

[Fiona Ebner]

Hi,

Am 13.05.24 um 09:19 schrieb marcandre.lureau@redhat.com:
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
> 
> Hi,
> 
> The aforementioned patch breaks virtio-gpu device migrations for versions
> pre-9.0/9.0, both forwards and backwards. Versioning of `VMS_STRUCT` is more
> complex than it may initially appear, as evidenced in the problematic commit
> dfcf74fa68c ("virtio-gpu: fix scanout migration post-load").
> 
> v2:
>  - use a manual version field test (instead of the more complex struct 
> variant)
> 

Unfortunately, when creating a snapshot with machine type pc-i440fx-9.0
and trying to load it afterwards (both times with patches on top of
current master), it'll fail with:

> qemu-system-x86_64: virtio-gpu-scanouts: incoming version_id 2 is too new for 
> local version_id 1
> qemu-system-x86_64: Missing section footer for 0000:00:02.0/virtio-gpu
> qemu-system-x86_64: Error -22 while loading VM state

Is there a bump to virtio-gpu-scanouts' version_id missing?

Best Regards,
Fiona