https://bugs.kde.org/show_bug.cgi?id=494839

--- Comment #2 from sunghwan <now...@gmail.com> ---
(In reply to sunghwan from comment #0)
> Created attachment 174869 [details]
> It looks like the relevant log starts in line 2136.
> 
> SUMMARY
> Kwin_wayland is not working with an external monitor on hybrid GPU system
> (intel, nvidia)
> 
> STEPS TO REPRODUCE
> 1. internal monitor is connected to iGPU(intel)
> 2. external monitor is connected to dGPU(nvidia)
> 3. login to wayland session
> 
> OBSERVED RESULT
> kwin_wayland is not working
> 
> SOFTWARE/OS VERSIONS
> Operating System: Arch Linux 
> KDE Plasma Version: 6.2.1
> KDE Frameworks Version: 6.7.0
> Qt Version: 6.8.0
> Kernel Version: 6.11.3-arch1-1 (64-bit)
> Graphics Platform: Wayland
> Processors: 32 × 13th Gen Intel® Core™ i9-13900HX
> Memory: 31.1 GiB of RAM
> Graphics Processor: NVIDIA GeForce RTX 4060 Laptop GPU/PCIe/SSE2
> Manufacturer: Acer
> Product Name: Predator PHN16-71
> System Version: V1.18
> 
> ADDITIONAL INFORMATION
> Nvidia driver: 560.35.03-13
> kwin is working when only one GPU is connected to both internal and external
> monitors.

Downgrading kwin to 6.2.0 fixed this issue.

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