On Fri, Dec 06, 2024 at 05:33:12PM +0800, Longfang Liu wrote: > If the driver of the VF device is not loaded in the Guest OS, > then perform device data migration. The migrated data address will > be NULL. > The live migration recovery operation on the destination side will > access a null address value, which will cause access errors. > > Therefore, live migration of VMs without added VF device drivers > does not require device data migration. > In addition, when the queue address data obtained by the destination > is empty, device queue recovery processing will not be performed. This seems very strange, why can't you migrate over the null DMA addr? Shouldn't this be fixed on the receiving side? Jason
