@Ordarney - if you have dual cards (Intel Sand Bridge + Nvidia) then you can try uninstalling nvidia-current - it helped me (to some extent - OpenGL and Unity works now but is less stable), but I of course lost the ability to switch to nvidia with Bumblebee.
@Ordarney - if you have dual cards (Intel Sand Bridge + Nvidia) then you can try uninstalling nvidia-current - it helped me (to some extent - OpenGL and Unity works now but is less stable), but I of course lost the ability to switch to nvidia with Bumblebee.