[Bug 2145113] Re: Graphical output is broken on Snapdragon Thinkpad T14s Gen 6

Tobias Heider 2145113 at bugs.launchpad.net
Mon Mar 23 10:10:32 UTC 2026


Quick fix for ubuntu-x1e-settings: https://code.launchpad.net/~ubuntu-
concept/ubuntu/+source/ubuntu-x1e-settings/+git/ubuntu-x1e-settings/+merge/502445

Confirmed to work on my own machine and by a community member on irc

** Also affects: ubuntu-x1e-settings (Ubuntu)
   Importance: Undecided
       Status: New

** Summary changed:

- Graphical output is broken on Snapdragon Thinkpad T14s Gen 6
+ Graphical output is broken in initrd on Snapdragon Thinkpad T14s Gen 6

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https://bugs.launchpad.net/bugs/2145113

Title:
  Graphical output is broken in initrd on Snapdragon Thinkpad T14s Gen 6

Status in dracut package in Ubuntu:
  New
Status in ubuntu-x1e-settings package in Ubuntu:
  New
Status in dracut source package in Resolute:
  New
Status in ubuntu-x1e-settings source package in Resolute:
  New

Bug description:
  This seems to be a regression from our switch to dracut that we didn't
  catch previously.

  initramfs-tools is including some modules in the initrd that are
  missing in dracut currently. Those missing modules are required to get
  grapical output working. Without it users can't unlock their FDE
  partition.

  The missing modules in this particular case are:
  - display_connector
  - simple_bridge
  - pwm_bl

  As a workaround for 26.04 I would prefer to add them to our list of
  additional modules from ubuntu-x1e-settings. Eventually we should
  maybe fix this in dracut.

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