Failed to initialize the NVIDIA GPU with Nvidia 660m and bumblebee

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http://askubuntu.com – Specifications: Clevo W370ET ubuntu 13.10 32bt, nvidia 660m, with 319 nvidia drivers installed, the bus ID is PCI:01:00:0. And after installing Bumblebee using this site. LINK I still can not run optimus, with the following error: david@david-W370ET:/etc/bumblebee$ sudo optirun -vvv glxgears [ 1802.179456] [DEBUG]Reading file: /etc/bumblebee/bumblebee.conf [ 1802.180031] [INFO]Configured driver: nvidia [ 1802.180231] [DEBUG]optirun version 3.2.1 starting... [ 1802.180257] [DEBUG]Active configuration: [ 1802.180265] [DEBUG] bumblebeed config file: /etc/bumblebee/bumblebee.conf [ 1802.180273 (HowTos)