Oculus Camera (OVRCameraController) doesn't activate second time running

Playing a scene with the OVRCameraController works on the first run but hangs on the second.

-Disabling the OVRCameraController allows the scene to be rendered with the default camera.

-ReEnabling it still makes unity hang

Anyway to fix this? Really slows down development having to restart unity. I’ve tried updating / reinstalling.

Same here:
Disabling and re-enabling the rift doesn´t work for me (although Unity doesn´t hang)