https://bugs.kde.org/show_bug.cgi?id=512487
Bug ID: 512487
Summary: Icons-and-Text task manager loses open windows when
second display disconnected
Classification: Plasma
Product: plasmashell
Version First 6.4.5
Reported In:
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Task Manager and Icons-Only Task Manager widgets
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
SUMMARY
Icons-and-Text task manager loses open windows when second display is
disconnected and "Show only tasks: From current screen" is enabled.
STEPS TO REPRODUCE
2 display configuration (secondary display left-of primary) on Wayland with
AMDGPU drivers.
1. Configure Icons-and-Text task manager on each screen's panel with "Show only
tasks: From current screen" checked.
2. Work for several days in a single KDE session (with suspends but w/o
logout/shutdown)
3. Physically disconnect the second (left) screen
OBSERVED RESULT
There are no more tasks for open windows/applications on the Icons-and-Text
task manager
EXPECTED RESULT
All opened windows/applications should have an item on the Icons-and-Text task
manager
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.2
ADDITIONAL INFORMATION
Wayland, 2 displays:
Left: Secondary, HDMI, 1440p
Right: Primary, DisplayPort, 1440p
AMDGPU open-source stock drivers
Ubuntu 25.10 amd64
I have Icons-and-Text task manager on both displays configured to show only
tasks "From current screen && From current desktop && From current activity" (I
don't use activities)
Sometimes when I disconnect the second display all the tasks disappear from the
main screen's Icons-and-Text task manager (so it becomes empty and display no
more tasks). The only way to see them back is to uncheck "From the current
screen" checkbox.
This happens not always, but after several days of working. My current uptime
is 27 days.
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