Hi, > > If you only ref, you could have the image being modified while it is > being saved asynchronously, this could result in tearing artefacts, > no?
Yes, but you have that problem _anyway_. screendump qmp command can run in parallel to guest vcpu, so it can race with guest display updates today. Assuming they happen as simple framebuffer writes and therefore don't involve vmexit + grabbing big qemu lock. cheers, Gerd
