On Wed, Mar 12, 2014 at 9:26 AM, Liuyang <liuyangzys@xxxxxxxxx> wrote: > > ██ optirun firefox > [ 1353.034599] [ERROR]Cannot access secondary GPU - error: [XORG] (EE) > NVIDIA(GPU-0): Failed to initialize the NVIDIA GPU at PCI:1:0:0. Please > > [ 1353.034658] [ERROR]Aborting because fallback start is disabled. > I searched for that error msg in the Bumblebee wiki article, and it lead to this: https://bbs.archlinux.org/viewtopic.php?id=169742 Have a look at the suggested solution there, maybe it will help. good luck!