Public bug reported:
After upgrading kernel 7.0.0-28 I found brightness cannot be changed via
all methods. On kernel 7.0.0-30 this issue also exists.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 7.0.0-30.30-generic 7.0.12
Uname: Linux 7.0.0-30-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 26 22:43:40 2026
InstallationDate: Installed on 2024-04-01 (877 days ago)
InstallationMedia: Ubuntu 22.04.4 LTS "Jammy Jellyfish" - Release amd64
(20240220)
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to resolute on 2026-04-25 (123 days ago)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2165151
Title:
Cannot change brightness
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