This bug was fixed in the package ubuntu-drivers-common - 1:

ubuntu-drivers-common (1: xenial-proposed; urgency=medium

  [ Alberto Milone ]
  * gpu-manager.c:
    - Fix memory leak in get_alternatives(). Make sure to always free
      alternatives->current_core and alternatives->current_egl.
    - Partially drop the drm code, and get information about connectors
      from sysf. This fixes a long standing performance issue (LP: #1586933).
    - Disable persistence mode before powering down the dGPU.
      If persistence mode is not disabled, gpu-manager will not be able to
      unload the nvidia module (LP: #1619306).
    - Make sure to load and unload nvidia-drm. This fixes a problem that
      prevents the dGPU from being powered off in hybrid systems with
      recent nvidia drivers (LP: #1619306).

  [ Ying-Chun Liu (PaulLiu) ]
  * Quirks/
    - Catch and ignore UnicodeDecodeErrors in dmi info, as some machines
      may report board_name as ffffffffffff0a to mean empty, and this
      causes an error in python 3 (LP: #1320868).

 -- Alberto Milone <>  Mon, 06 Jun 2016
12:49:19 +0200

** Changed in: ubuntu-drivers-common (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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  SRU request: Include the 367 driver in Ubuntu 16.04

Status in nvidia-graphics-drivers-367 package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released
Status in nvidia-graphics-drivers-367 source package in Xenial:
  Fix Committed
Status in ubuntu-drivers-common source package in Xenial:
  Fix Released

Bug description:
  SRU Request:

  The nvidia packages in Ubuntu 16.04 do not support recent NVIDIA GPUs.

  The new driver also requires changes in ubuntu-drivers-common, as gpu-
  manager needs to be able to unload the nvidia-drm module in order to
  power down the dGPU in hybrid systems.

  [Test Case]
  1) Enable the xenial-proposed repository, and install the nvidia-367 package

  2) Restart and see if the system boots correctly. If unsure, please
  attach your /var/log/gpu-manager.log and /var/log/Xorg.0.log

  [Regression Potential]
  Low, the packages are already in Yakkety.

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