Public bug reported:

Hi,

Lunar, 525.105.17

I get a very very very slow boot using dynamic graphics in my Lenovo Legion 5i 
pro i7/3070 Ti.
Using discrete graphics is ok.
Using Nouveau with hybrid graphics is ok.

After some research, it seems the culprit is:

Failed to start systemd-backlight@backlight:nvidia_0.service - Load/Save
Screen Backlight Brightness of backlight:nvidia_0.

systemd blame:

1min 34.046s plymouth-quit-wait.service
1min 30.278s gpu-manager.service

** Affects: nvidia-graphics-drivers-525 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: lunar

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to nvidia-graphics-drivers-525 in Ubuntu.
https://bugs.launchpad.net/bugs/2015397

Title:
  Very slow boot using hybrid setup

Status in nvidia-graphics-drivers-525 package in Ubuntu:
  New

Bug description:
  Hi,

  Lunar, 525.105.17

  I get a very very very slow boot using dynamic graphics in my Lenovo Legion 
5i pro i7/3070 Ti.
  Using discrete graphics is ok.
  Using Nouveau with hybrid graphics is ok.

  After some research, it seems the culprit is:

  Failed to start systemd-backlight@backlight:nvidia_0.service -
  Load/Save Screen Backlight Brightness of backlight:nvidia_0.

  systemd blame:

  1min 34.046s plymouth-quit-wait.service
  1min 30.278s gpu-manager.service

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-525/+bug/2015397/+subscriptions


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