*** This bug is a duplicate of bug 1907142 ***
    https://bugs.launchpad.net/bugs/1907142

Yes it seems to be the same thing.

What can i do  next to help?

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https://bugs.launchpad.net/bugs/1914573

Title:
  kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 ... and
  then the display server crashes

Status in linux package in Ubuntu:
  New
Status in mutter package in Ubuntu:
  New
Status in xorg-server package in Ubuntu:
  New

Bug description:
  The bug is that all at a sudden gnome reset to login screen. When i
  log again, the only "sound output" allowed is simulation, my devices
  are not displayed.

  I'm using 
  - Ubuntu 20.04 (I upgraded from 18 some months ago, I don't think this bug 
was present at that moment but i used less my ubuntu station). 
  - Portable PC

  The bug happen
  - When I use my PC with screen pluged directly : some times
  - When I use my docking station with 144Hz display in DVI 
(https://i-tec.pro/fr/produkt/u3hdmidvidock-4/) : quite frequently
  - When à Use my docking station and watch some full screen video : very 
frequently

  It seems to be linked to displayLink use, but not only because it
  happen too when i don't use the docking station. It seems to be
  frequently when i "Stress" the screen.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: gnome-shell 3.36.4-1ubuntu1~20.04.2
  ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
  Uname: Linux 5.4.0-65-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.16
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Feb  4 10:17:54 2021
  DisplayManager: gdm3
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2017-11-08 (1183 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
(20170801)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  RelatedPackageVersions: mutter-common 3.36.7+git20201123-0.20.04.1
  SourcePackage: gnome-shell
  UpgradeStatus: Upgraded to focal on 2020-07-01 (217 days ago)

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