1) Drivers Nvidia not active and work perfect:
$ glxinfo | grep render direct rendering: Yes OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 0x300) GL_NV_conditional_render, GL_AMD_draw_buffers_blend,
1) Drivers Nvidia not active and work perfect:
$ glxinfo | grep render NV_conditional_ render, GL_AMD_ draw_buffers_ blend,
direct rendering: Yes
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 0x300)
GL_