** Tags added: originate-from-1934702

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https://bugs.launchpad.net/bugs/1931514

Title:
  SRU: The NVIDIA X server Settings is blank when under Intel mode

Status in OEM Priority Project:
  Fix Committed
Status in ubuntu-drivers-common package in Ubuntu:
  Fix Released
Status in ubuntu-drivers-common source package in Bionic:
  Fix Committed
Status in ubuntu-drivers-common source package in Focal:
  Fix Released
Status in ubuntu-drivers-common source package in Groovy:
  Fix Committed
Status in ubuntu-drivers-common source package in Hirsute:
  Fix Released

Bug description:
  SRU Request

  [Impact]

  * The NVIDIA X server Settings does not show anything when the intel
  mode(Power Saving Mode) is working, so that it cannot switch back to
  Nvidia mode(Performance Mode) in the settings.

  [Fix]

  * Looking for the nvidia modules in the linux-restricted-modules path
  will solve the problem.

  [Test Case]

  * Boot up the system and login.

  * Open the NVIDIA X Server Settings. If it shows the NVIDIA display card is 
working, switch it to intel display card and reboot.
  * Open the NVIDIA X Server Settings again.

  * Check that the panel is not blank.

  [Regression Risk]
  Medium, since it changes the code which finds the kernel modules.
  _________________________________________________________________________
  [Summary]
  The VIIDA X server Settings does not show anything when the intel mode(Power 
Saving Mode) is working, so that it cannot switch back to Nvidia 
mode(Performance Mode) in the settings.

  [Steps to reproduce]
  1. Boot up the system and login.
  2. Open the NVIDIA X Server Settings. If it shows the NVIDIA display card is 
working, switch it to intel display card and reboot.
  3. Open the NVIDIA X Server Settings again. It does not show anything, and 
just a blank dialog.
  mode
  [Expected result]
  The NVIDIA X Server Settings should show all configurations, and users can 
switch them in it.

  [Actual result]
  The dialog is blank.

  [Failure rate]
  100%

  [Additional information]
  ubuntu: 20.04.2
  kernel-version: 5.10.0-1029-oem

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