pr-9956-8e3970 vs. pr-9956-862dd4 / uberogl-lin-radeon / pw-black-bars

pr-9956-8e3970 (8e397099) Diff pr-9956-862dd4 (862dd416)
Failure 4797b04727d1e7f6ecf2285cb3e076ea0bb04451
Failure dabf775a1288b0207a30300195540dc55feb3ef0
Failure dabf775a1288b0207a30300195540dc55feb3ef0
Failure e1360cde717e29a9e9ed7cfb75b2e07dc5c4d6a4