The situation changed with latest update (debian buster, linux 4.19, windows 10 1809, and AMD driver 19.1.2) : my vm reboots ok without any hack, and windows updates complete without any host reboot needed. It seems vega cards are good for vfio now.
The situation changed with latest update (debian buster, linux 4.19, windows 10 1809, and AMD driver 19.1.2) : my vm reboots ok without any hack, and windows updates complete without any host reboot needed. It seems vega cards are good for vfio now.