SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** STEPS TO REPRODUCE 1. Use Lenovo Ideapad S340-14IIL 2. Turn on the backlight using Fn+Spacebar OBSERVED RESULT No OSD for backlight being turned on EXPECTED RESULT An OSD for backlight being turned on SOFTWARE/OS VERSIONS Windows: No macOS: No Linux/KDE Plasma: Yes (available in About System) KDE Plasma Version: 5.24.0 KDE Frameworks Version: 5.90.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION The OSD works fine on gnome (apart from there being only 2 states instead of 3), but it is not present on KDE plasma.
*** This bug has been marked as a duplicate of bug 406790 ***