https://bugs.kde.org/show_bug.cgi?id=470540
Bug ID: 470540
Summary: Screen order is messed up after connecting an external
display
Classification: Plasma
Product: plasmashell
Version: 5.27.4
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: generic-multiscreen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: 1.0
Created attachment 159402
--> https://bugs.kde.org/attachment.cgi?id=159402&action=edit
Panels and Desktops Management showing wrong screen order
SUMMARY
After disconnecting and re-connecting an external display, my panels end up on
the wrong display.
My setup is not very exotic:
- Laptop attached screen
- External HP Z27 (through a USB 3 Thunderbolt cable)
- External HP Z27 (through an HDMI cable)
I've added a KDE default panel to external USB monitor and an empty panel to
the external HDMI monitor. I've added a task manager widget to the empty panel.
TL; DR: the two external monitors have panels configured differently, so I can
tell them apart.
Looking at the "Panels and Desktops Management" app, I see that the order they
appear (screenshot 1) is not the order that's configured (screenshot 2). Also,
when I first configured everything, the laptop display was the leftmost screen
on "Panels and Desktops Management" app, now is the rightmost.
I've also attached the output of xrandr.
STEPS TO REPRODUCE
Disconnect and reconnect an external display.
OBSERVED RESULT
Laptop screen gets the task manager panel, external (HDMI) screen gets the
original panel.
EXPECTED RESULT
Laptop screen gets the original panel, external (HDMI) screen gets the task
manager panel.
Operating System: Kubuntu 23.04
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.8
Kernel Version: 6.2.0-20-generic (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i5-8265U CPU @ 1.60GHz
Memory: 15.3 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 620
Manufacturer: LENOVO
Product Name: 20QD001UUS
System Version: ThinkPad X1 Carbon 7th
ADDITIONAL INFORMATION
plasmashell version: 5.27.4
Kernel: Linux 6.2.0-20-generic #20-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr 6
07:48:48 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
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