https://bugs.kde.org/show_bug.cgi?id=478246
Bug ID: 478246
Summary: External Monitor stopped working after commit 120d14
Classification: Plasma
Product: kwin
Version: git master
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: multi-screen
Assignee: kwin-bugs-n...@kde.org
Reporter: fanzhuyi...@gmail.com
Target Milestone: ---
Created attachment 164000
--> https://bugs.kde.org/attachment.cgi?id=164000&action=edit
journal log
SUMMARY
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STEPS TO REPRODUCE
1. Plugin external monitor
OBSERVED RESULT
External monitor stays black, even though it is shown in settings -> displays,
and I enabled it and applied the change.
After I change its scale/position, the apply button stays grayed out.
EXPECTED RESULT
External monitor should work like before.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.90.0
KDE Frameworks Version: 5.246.0
Qt Version: 6.6.1
Kernel Version: 6.6.4-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 20 × 13th Gen Intel® Core™ i9-13900H
Memory: 15.2 GiB of RAM
Graphics Processor: Mesa Intel® Graphics
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: ROG Zephyrus G16 GU603VV_GU603VV
System Version: 1.0
ADDITIONAL INFORMATION
I used git bisect to find that
https://invent.kde.org/plasma/kwin/-/commit/120d14150128ffa6baf0bce1b275df3e4dd9153d
is the commit that broke external display.
I use intel iGPU+nvidia dGPU, with nvidia driver version 545.29.0
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