Public bug reported:
On my Thinkpad W530 the external monitor attached to the dock only is
active until login. After login it disappears from available monitors,
loses signal and the internal monitor is active only.
Workaround: Uses X11 session.
So I don't need a solution. But maybe the info gathered helps you fixing bugs.
I recently tried these
GRUB_CMDLINE_LINUX="acpi_osi='Windows 2012'"
GRUB_CMDLINE_LINUX="acpi_osi=! \"acpi_osi=Windows 2012\""
because I' having problems with ACPI and detection of DVD-Drive.
but I disabled them after my screen did not work any more after upgrade. (yeah
I did the upgrade to impish rather late)
So I think this is not related.
My logfiles might be spammed with DVD read errors because I am currently
reading bad DVDs. Just ignore them.
Release: 21.10
Wayland related version numbers. Package with wayland in name and not
listed are not installed.
kwayland-data: 4:5.86.0-0ubuntu1
kwayland-integration: 4:5.22.5-0ubuntu1
kwin-wayland: 4:5.22.5-0ubuntu1
kwin-wayland-backend-drm: 4:5.22.5-0ubuntu1
libkf5waylandclient5: 4:5.86.0-0ubuntu1
libkf5waylandserver5: 4:5.86.0-0ubuntu1
libkwaylandserver5: 5.22.5-0ubuntu1
libqt5waylandclient5: 5.15.2-4
libqt5waylandcompositor5: 5.15.2-4
libva-wayland2: 2.12.0-2
libwayland-client0: 1.19.0-2build1
libwayland-cursor0: 1.19.0-2build1
libwayland-egl1: 1.19.0-2build1
libwayland-server0: 1.19.0-2build1
plasma-workspace-wayland: 4:5.22.5-0ubuntu1
qtwayland5: 5.15.2-4
xwayland: 2:21.1.2-0ubuntu1.1
ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: plasma-workspace-wayland 4:5.22.5-0ubuntu1
ProcVersionSignature: Ubuntu 5.13.0-30.33-generic 5.13.19
Uname: Linux 5.13.0-30-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu71
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Tue Mar 8 14:03:05 2022
SourcePackage: plasma-workspace
UpgradeStatus: Upgraded to impish on 2022-02-27 (9 days ago)
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug impish
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https://bugs.launchpad.net/bugs/1964126
Title:
Wayland does not detect external monitor
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