[Bug 1777099] [NEW] [backport] DRM devices opened by logind stay referenced indefinitely by PID 1

[Alex Tu]

Public bug reported:

refer to https://github.com/systemd/systemd/issues/6908

we need that solution to make NVIDIA dGPU switching works.

impacted issue:
https://bugs.launchpad.net/somerville/+bug/1774326

** Affects: oem-priority
     Importance: Undecided
         Status: New

** Affects: systemd
     Importance: Unknown
         Status: Unknown

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: ihv-nvidia

** Bug watch added: github.com/systemd/systemd/issues #6908
   https://github.com/systemd/systemd/issues/6908

** Also affects: systemd via
   https://github.com/systemd/systemd/issues/6908
   Importance: Unknown
       Status: Unknown

** Also affects: oem-priority
   Importance: Undecided
       Status: New

** Tags added: ihv-nvidia

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https://bugs.launchpad.net/bugs/1777099

Title:
  [backport] DRM devices opened by logind stay referenced indefinitely
  by PID 1

Status in OEM Priority Project:
  New
Status in systemd:
  Unknown
Status in systemd package in Ubuntu:
  New

Bug description:
  refer to https://github.com/systemd/systemd/issues/6908

  we need that solution to make NVIDIA dGPU switching works.

  impacted issue:
  https://bugs.launchpad.net/somerville/+bug/1774326

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