DD2.0 must use no HW acceleration

On rpi2 osmc rc3 upgraded to latest, whenever playing the vido with DD2.0 audio, the video is terribly jerky.
Log shows buffering and sync problems.
There are no problems with AAC, DD5.1.

Surprise - disabling HW acceleration solves the problem! This is not it should be.

Is there any known issue with dvdplayer and MMAL on DD2.0 streams?

Probably. And they’re probably fixed in Isengard