Looking at: https://github.com/Bumblebee-Project/bbswitch/issues/140 indicates that this has been broken since 4.8 when new power management code was enabled for PCIE ports. They suggest using pcie_port_pm=off in teh kernel command line. I will try that whenever I can and see where that leaves me.
** Bug watch added: github.com/Bumblebee-Project/bbswitch/issues #140 https://github.com/Bumblebee-Project/bbswitch/issues/140 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722039 Title: Stuck with nvidia graphics only when using the latest NVIDIA 384/387 drivers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1722039/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs