[  599.057593] Console: switching to colour dummy device 80x25
[  599.057711] [IGT] gem_tiled_swapping: executing
[  599.068112] gem_tiled_swapp (1456): drop_caches: 4
[  599.784565] [IGT] gem_tiled_swapping: starting subtest non-threaded
[  632.548377] [IGT] gem_tiled_swapping: exiting, ret=0
[  632.664983] Console: switching to colour frame buffer device 200x56
[  757.153471] Console: switching to colour dummy device 80x25
[  757.153576] [IGT] gem_tiled_swapping: executing
[  757.595574] [IGT] gem_tiled_swapping: starting subtest threaded
[  860.665822] [IGT] gem_tiled_swapping: exiting, ret=0
[  860.815800] Console: switching to colour frame buffer device 200x56