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[Bug 1728547] Re: SRU: Add support for keeping the dGPU on in power saving mode

 

a change referencing this bug is in the latest version for bionic, but
it failed to build on some archs and is stuck in -proposed:

https://launchpad.net/ubuntu/+source/ubuntu-drivers-common/1:0.4.25

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

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https://bugs.launchpad.net/bugs/1728547

Title:
  SRU: Add support for keeping the dGPU on in power saving mode

Status in HWE Next:
  New
Status in OEM Priority Project:
  Triaged
Status in ubuntu-drivers-common package in Ubuntu:
  In Progress
Status in ubuntu-drivers-common source package in Xenial:
  Fix Committed
Status in ubuntu-drivers-common source package in Zesty:
  Fix Committed
Status in ubuntu-drivers-common source package in Artful:
  Fix Released

Bug description:
  SRU Request:

  [Impact]
  Some systems don't play well when the dGPU is disabled. It should still be possible to use the Intel iGPU without disabling the dGPU.

  [Test Case]
  1) Enable the -proposed repository, and install the new "ubuntu-drivers-common"

  2) Make sure the nvidia packages are installed, and enable power saving mode:
  sudo prime-select intel

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

  4) Install the mesa-utils package:
  sudo apt install mesa-utils

  5) Check the output of the following command (which should mention Intel):
  glxinfo | grep OpenGL

  
  [Regression Potential]
  Low, as the feature is disabled by default. This is only for hardware specific workarounds.

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