Bug 453408

Summary: Screen only refreshes while pointer is moving
Product: [Plasma] kwin Reporter: Fonkle <fonkle>
Component: wayland-genericAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED FIXED    
Severity: major CC: nate, xaver.hugl
Priority: NOR    
Version First Reported In: 5.24.5   
Target Milestone: ---   
Platform: Kubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In: 5.25
Sentry Crash Report:

Description Fonkle 2022-05-05 09:11:08 UTC
SUMMARY

Presentation of the entire desktop (Compositor) halts  while the mouse is not moving.

STEPS TO REPRODUCE
1. Login to a Wayland session
2. 
3. 

OBSERVED RESULT
Display shows black screen with mouse pointer. Nothing happens until the mouse is moved. The presentation rate of the compositor seems locked to available mouse input.

EXPECTED RESULT
Screen should update regardless of mouse input.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Kubuntu 22.04 LTS (with backports)
(available in About System)
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3

ADDITIONAL INFORMATION
Graphics Platform: Wayland
Processors: 12x Intel Core i7-3930K CPU @ 3.20 GHz
GPU: Nvidia GTX970 / GTX1060 proprietary driver 510.60.02 (nvidia-drm.modeset=1 and dual screen)
Comment 1 Fonkle 2022-05-25 07:54:36 UTC
Update:

This appears to be fixed after installing Qt 5.15.4 (on Kubuntu 22.10 daily build with plasma 5.24.90 and nvidia 510.60.02). Awesome!
Comment 2 Nate Graham 2022-05-25 13:33:52 UTC
Oh good!