(In reply to comment #40)
> (In reply to comment #39) 
> >  If you let it run with Basic theme and few rounds you will spot i guess
> > that only first round there is unusual maybe 2-3 times 1-2 sec stutters,
> > then second time and later it is stutter free.
> 
>  Andy, you have behavior like that (more or less those seconds for stuter)
> if PIPE_USAGE_STREAM is reverted, right?

The Bad was with vanilla mesa (couple of days old)

The good was that + the patch in Comment 19

I looked again at Unreal Reflections - there is a difference but it's only
right at the start, both have a couple of stutters and they are longer with
vanilla then the rest is OK in both cases.