I also confirmed that after upgrade to Vivid 15.04 beta 1 this also happens.
Basically, this means that optimus is useless when the the nvidia card is identified as "3D Controller" instead of "VGA compatible controller".
I also confirmed that after upgrade to Vivid 15.04 beta 1 this also happens.
Basically, this means that optimus is useless when the the nvidia card is identified as "3D Controller" instead of "VGA compatible controller".