OSMC + Raspberry Pi camera module

I use an Raspberry PI 2 Model B with OSMC (4.2.1-1-osmc #1 SMP PREEMPT). Kodi works fine.

Now I wanted to add the Raspberry Pi camera module. It was assembled like shown in https://www.raspberrypi.org/help/camera-module-setup

In most howto’s the configuration is done by . This seems not to work at OSMC. Therefore in /boot/config.txt I activated:
start_x=1
gpu_mem=128
disable_camera_led=1

When I test the camera by <raspivid -d --output /tmp/>, the followings error occurs:
mmal: mmal_vc_component_create: failed to create component ‘vc.ril.camera’ (1:ENOMEM)
mmal: mmal_component_create_core: could not create component ‘vc.ril.camera’ (1)
mmal: Failed to create camera component
mmal: main: Failed to create camera component
mmal: Camera is not detected. Please check carefully the camera module is installed correctly

Does anybody know this error message?
Does anybody know, how to configure the camera module at OSMC?