On Mon, Dec 04, 2023 at 08:28:37AM +0100, Volker Rümelin wrote:
> The virtio-sound device is currently not migratable. QEMU crashes
> on the source machine at some point during the migration with a
> segmentation fault.
>
> Even with this bug fixed, the virtio-sound device doesn't migrate
> the state of the audio streams. For example, running streams leave
> the device on the destination machine in a broken condition.
>
> Mark the device as unmigratable until these issues have been fixed.
>
> Signed-off-by: Volker Rümelin <vr_q...@t-online.de>
Acked-by: Michael S. Tsirkin <m...@redhat.com>
> ---
> hw/audio/virtio-snd.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/hw/audio/virtio-snd.c b/hw/audio/virtio-snd.c
> index 2fe966e311..b10fad1228 100644
> --- a/hw/audio/virtio-snd.c
> +++ b/hw/audio/virtio-snd.c
> @@ -68,6 +68,7 @@ static const VMStateDescription vmstate_virtio_snd_device =
> {
>
> static const VMStateDescription vmstate_virtio_snd = {
> .name = TYPE_VIRTIO_SND,
> + .unmigratable = 1,
> .minimum_version_id = VIRTIO_SOUND_VM_VERSION,
> .version_id = VIRTIO_SOUND_VM_VERSION,
> .fields = (VMStateField[]) {
> --
> 2.35.3
