Running primusrun glxspheres gives the following error:
primusrun glxspheres
Polygons in scene: 62464 (61 spheres * 1024 polys/spheres)
Visual ID of window: 0xa7
Context is Direct
OpenGL Renderer: GeForce GT 755M/PCIe/SSE2
X Error of failed request: GLXBadFBConfig
Major opcode of failed request: 0 ()
Serial number of failed request: 24
Current serial number in output stream: 24
Any solution?