Public bug reported:
1. Problem DOES appear on Lenovo T470s (Intel).
2. Problem DOES appear on Lenovo T14 Gen2 (AMD).
3. Problem does NOT appear on either of the above *when in the Live Installer*.
I specifically checked that my dock behaved well under the Live
Installer before deciding to move my workstations to Jammy. Upon logging
into a fresh Jammy install, I found the following problem behavior: When
the dock is plugged in, the built-in display freezes and the dock-
attached displays power up but never render anything (ie, they stay
black). Unplugging the USB-C cable gets mouse/keyboard response back on
the built-in display.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gnome-shell 42.0-2ubuntu1
ProcVersionSignature: Ubuntu 5.15.0-27.28-generic 5.15.30
Uname: Linux 5.15.0-27-generic x86_64
ApportVersion: 2.20.11-0ubuntu82
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 26 18:32:35 2022
DisplayManager: gdm3
InstallationDate: Installed on 2022-04-26 (0 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: mutter-common 42.0-3ubuntu2
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy wayland-session
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https://bugs.launchpad.net/bugs/1970495
Title:
Window manager freezes when plugging in external monitor.
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