https://bugs.kde.org/show_bug.cgi?id=495991
Bug ID: 495991
Summary: KWin_wayland process memory leak if interacting with
desktop, after second monitor turns off
Classification: Plasma
Product: kwin
Version: 6.2.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: reiag...@gmail.com
Target Milestone: ---
SUMMARY
kwin_wayland process is leaking memory(observed up to 1.2G) when interacting
with second monitor, after it has been turned off by inactive timeout. Every
action on 2nd monitor takes more memory, dragging window, opening new one,
selecting with mouse, etc... Observed on a laptop with dual gpu(integrated amd,
nvidia 1650TI Moblie), seems to only happen on wayland, and when using
integrated gpu, after setting KWIN_DRM_DEVICES to prefer nvidia memory usage
stabilized.
STEPS TO REPRODUCE
1. Wait for monitor timeout
2. Interact with desktop and wait for monitor to turn on
OBSERVED RESULT
kwin_wayland uses more memory after every interaction with the desktop
EXPECTED RESULT
kwin_wayland should use ~300mb
SOFTWARE/OS VERSIONS
Linux: 6.11.6-arch1-1
KDE Plasma Version: 6.2.3
KDE Frameworks Version: 6.7.0
Qt Version: 6.8.0
ADDITIONAL INFORMATION
* Graphical card: NVIDIA GeForce GTX 1650 Ti Mobile
* processor: 12 × AMD Ryzen 5 4600H
* RAM: 16GB
* GPU Driver: NVIDIA 565.57.01-1
* 1st Monitor: 1920x1080@60HZ
* 2nd Monitor: 1920x1080@180HZ
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