Comment # 10 on bug 905351 from Frank Sundermeyer

> AFAIK installing the standard nvidia packages breaks intel's OpenGL support, as >
> it replaces some of Mesa's libraries (and Xorg's libglx) with its own 
> incompatible versions. And not even installing bumblebee can fix that.

> So is it really a good idea to even suggest to install those packages in the 
> "official" documentation?
> Shouldn't only installing nvidia-bumblebee be proposed?

> Please note that I do not have any experience with Bumblebee or Optimus myself, > I  never even used an Optimus system yet.

> But I do know that many users ask for help in the forums because their Xorg 
> doesn't start any more after installing the nvidia driver on their Optimus 
> system, or that they cannot run any OpenGL applications on the intel chip.

> Please forgive me if I'm completely wrong though.

See comment #2:

* The nvidia driver is needed when wanting to play 3D games e.g. via Steam
* for normal desktop use installing nvidia is not needed and therefore not 
  recommended

Whatsmore, when the nvidia driver is installed, why should one want to run
OpenGL applications on the Intel chip, when doing the same on nvidia--which has
far better "3D power"--is possible?