https://bugs.kde.org/show_bug.cgi?id=454244
Bug ID: 454244
Summary: Wayland doesn't disable external display when
disconnected
Product: kwin
Version: 5.24.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: techxga...@outlook.com
Target Milestone: ---
SUMMARY
My external display remains "connected" even when I unplug it. When I
reconnect, the panels for my 2nd monitor don't appear.
STEPS TO REPRODUCE
1. Unplug the 2nd display
2. Plug back in
OBSERVED RESULT
I checked on the Display Configuration settings and when I unplug my monitor, I
still see my external monitor remain connected. When I plug back in, I lose my
panels.
EXPECTED RESULT
External display should be disconnected and shouldn't remain in Display
Configuration settings
Panels for my 2nd display should reappear when connected.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 22.04
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.3
Kernel Version: 5.15.0-30-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz
Memory: 15.3 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics
ADDITIONAL INFORMATION
My laptop, 4th generation ThinkPad X1 Yoga, is plugged to a USB-C dock. HDMI
KVM switch is connected to the dock via DP Alt mode.
My external monitor is connected by an HDMI KVM switch
My HDMI KVM switch disconnects the display when it switches to another computer
(pretty much unplugging the display).
Link to USB-C dock:
https://www.cablematters.com/pc-1054-127-usb-c-docking-station-with-dual-4k-hdmi-and-80w-charging-for-windows-computers.aspx
Link to HDMI KVM switch:
https://www.amazon.ca/GREATHTEK-Switch-HDMI-Port-HDCP2-2/dp/B0921NX43B
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