https://bugs.kde.org/show_bug.cgi?id=427890
Bug ID: 427890
Summary: Partial monitor duplication in Wayland and other
general dup funniness
Product: plasmashell
Version: 5.20.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: aleix...@kde.org
Reporter: scott.anec...@linux.com
CC: plasma-b...@kde.org
Target Milestone: 1.0
Created attachment 132499
--> https://bugs.kde.org/attachment.cgi?id=132499&action=edit
Dup when logging in
SUMMARY
When jumping into a Wayland session, one of the monitor's sides partially
(~1/6) duplicates itself onto the other monitor even though the monitors are
not set to mirror.
It's even more weird in that the taskbar duplication will only be one
direction. However, if I click on one monitor's display space or the other, it
will change which monitor is duplicating the area above the task bar. So if the
wallpaper and part of Konsole occupies that ~1/6 vertical slice on monitor A,
the wallpaper and the part of Konsole that falls into that slice gets dupped to
the other monitor or vice versa, but the taskbar dup source remains the same.
STEPS TO REPRODUCE
1. Acquire two monitors (preferably one 1080, the other 4K)
2. Install all required Wayland packages
3. Follow all Nvidia Wayland wiki steps here:
https://community.kde.org/Plasma/Wayland/Nvidia
4. Reboot computer, and select Wayland session
OBSERVED RESULT
One monitor duplicates part of itself onto the other monitor
EXPECTED RESULT
Monitors display independently; there is no duplication
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.20.0
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.1
Kernel Version: 5.8.14-arch1-1
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-6700K CPU @ 4.00GHz
Memory: 62.8 GiB of RAM
Graphics Processor: GeForce RTX 2080 Ti/PCIe/SSE2
ADDITIONAL INFORMATION
MONITORS
Ancor Communications Inc C422A (over DP)
ViewSonic Corporation XG2700 Series (over DP)
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