Public bug reported: Since upgrading to kubuntu 16.04, the screen brightness remains low (dimmed) after a period of inactivity even when the user becomes active again. Laptop is on AC power throughout.
Steps to reproduce: * in system settings->energy saving set dim period to 5 min * after 10 min screen is dimmed * when moving mouse and after possibly unlocking screen, the screen brightness remains low Expect to happen: screen brightness goes back up Workaround: When screen brightness stays too low, go to system settings->energy saving, select box "Screen brightness", select any Level of brightness different from current value, and click Apply. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: systemsettings 4:5.5.5-0ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16 Uname: Linux 4.4.0-36-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: KDE Date: Tue Sep 13 09:57:52 2016 ExecutablePath: /usr/bin/systemsettings5 InstallationDate: Installed on 2014-08-05 (769 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, user) XDG_RUNTIME_DIR=<set> LANG=en_GB.iso88591 SHELL=/bin/tcsh SourcePackage: systemsettings UpgradeStatus: Upgraded to xenial on 2016-08-01 (42 days ago) ** Affects: systemsettings (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug xenial -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to systemsettings in Ubuntu. https://bugs.launchpad.net/bugs/1622890 Title: screen brightness is not undimmed when user becomes active again To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemsettings/+bug/1622890/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs