It seems to be a issue with the nvidia-glx-new package in the ubuntu repository. Installing the NVIDIA driver with the installer from NVIDIAs website fixed this problem for me. So this is maybe related to bug #186382.
It seems to be a issue with the nvidia-glx-new package in the ubuntu repository. Installing the NVIDIA driver with the installer from NVIDIAs website fixed this problem for me. So this is maybe related to bug #186382.