Failed to load module "wfb" (module does not exist, 0)
解决方法:
eselect opengl list, 显示结果:
Avalaible OpenGL implementations:
[1]nvidia
[2]xorg-x11
执行eselect opengl set nvidia
再查看一下, 确保nvidia后跟着一个*号, 表示选中.
然后
cd /usr/lib/xorg/modules
ln -sv /usr/lib/opengl/nvidia/extensions/libwfb.so ./