Red Hat Bugzilla – Bug 1467211
KDE 5 (Plasma) panels break/change/copy/clone, lose or mix up panel configuration when monitor or docking station disconnected
Last modified: 2017-12-12 05:27:44 EST
Created attachment 1293772 [details]
KDE panel copied/cloned
Description of problem:
This is a laptop which is usually connected to a docking station with an external monitor. Two panels are (were) configured in KDE, one at the top with the application launcher button and the tray area in the top right corner and one at the bottom of the screen with the task list showing all windows on the current workspace.
After removing the laptop from the docking station, the panel configuration seems all mixed up. Both panels are identical now, except for the clock, which has not been copied to the bottom panel. Instead of two panels, there are now two copies of one panel, which is rather inconvenient, especially because the task list uses so much space that it really fills up the panel.
In addition to that, the battery icon keeps disappearing and reappearing every few seconds now, which is really irritating. Since this never happened before, it must be related to whatever KDE did after removing the laptop from the docking station.
Version-Release number of selected component (if applicable):
Happens when disconnecting from docking station / monitor.
Steps to Reproduce:
1. Configure two panels in KDE, on a laptop.
2. Use/resume laptop in a different location (different monitor setup).
3. Panel configuration broken, desktop difficult to use.
Panel configuration broken after removing the laptop from the docking station.
Everything should keep working after removing the laptop from the docking station (like in Cinnamon for example) and the panel configuration should not change.
For completeness' sake, I'll attach a screenshot showing the broken configuration (not at all how I configured it). In addition to the panel, it also "copied" the "Software Updates Available" message, but that might be unrelated.
Forgot to mention: The task list(s) in the two "cloned" and broken panels don't update when switching workspaces. The screenshot shows a workspace with no windows, but both copies of the task list show windows.
I have encountered this bug. I have two panels on two monitors, each with a task list set to show only task from the current desktop. After undocking my laptop and reconnecting it to the dock, the panels get mixed up as in the report, and both panels seem to refer to tasks on the same screen. That is, the panel on screen 1 and the panel on screen 2 both list tasks from only screen 1. Moving the panel on screen 2 to screen 1 and back fixes the task list part of the problem.
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