Hi, > >> On a quick glance I'd blame the guest for sending corrupted commands. > >> Strange though that it happens on migration only, so there could be > >> a host issue too. Or a timing issue triggered by migration. > >> > >> Which migration phase? > > > > This is the point at which it switches over in postcopy. > > It looks like it's the vmstate (post) load phase of the qxl device on > destination host. Dave, can you try "thread apply all bt" so we see the other threads too? That should show whenever it happens in post_load > Maybe if you trace qxl device save/load related functions > on both src and dst hosts you'll see a difference. qxl keeps references to certain commands (create surface for example) in qxl device memory, so it can replay them in post_load. That possibly doesn't work correctly with postcopy. cheers, Gerd _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/spice-devel