Public bug reported:

I am not able to boot my computer (Dell Latitude E7450) with the nvidia
proprietary drivers. bbswitch complains about there being no suitable
_dsm call. I do not know what this is, but this happens in spite of
loading the bbswitch module with the skip_optimus_dsm option.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: bbswitch-dkms 0.8-3ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-116.140-generic 4.4.98
Uname: Linux 4.4.0-116-generic x86_64
NonfreeKernelModules: nvidia_uvm wl nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
Date: Tue Mar  6 19:11:24 2018
InstallationDate: Installed on 2016-07-18 (596 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: bbswitch
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: bbswitch (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

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https://bugs.launchpad.net/bugs/1753808

Title:
  No graphical boot with nvidia driver and bbswitch and kernel 4.4.0-116

Status in bbswitch package in Ubuntu:
  New

Bug description:
  I am not able to boot my computer (Dell Latitude E7450) with the
  nvidia proprietary drivers. bbswitch complains about there being no
  suitable _dsm call. I do not know what this is, but this happens in
  spite of loading the bbswitch module with the skip_optimus_dsm option.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: bbswitch-dkms 0.8-3ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-116.140-generic 4.4.98
  Uname: Linux 4.4.0-116-generic x86_64
  NonfreeKernelModules: nvidia_uvm wl nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  Date: Tue Mar  6 19:11:24 2018
  InstallationDate: Installed on 2016-07-18 (596 days ago)
  InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: bbswitch
  UpgradeStatus: No upgrade log present (probably fresh install)

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