https://bugs.kde.org/show_bug.cgi?id=438903
Bug ID: 438903
Summary: KWin sometimes looses some effects when the compositor
resumes after system suspend. [NVIDIA]
Product: kwin
Version: 5.22.1
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: samping...@gmail.com
Target Milestone: ---
Created attachment 139511
--> https://bugs.kde.org/attachment.cgi?id=139511&action=edit
Video showcasing this issue (Low quality)
SUMMARY
KWin sometimes looses some effects such as blur, slide back, app opening
feedback (small icon bouncing near cursor as feedback), magic lamp etc., when
the compositor resumes from suspend.
STEPS TO REPRODUCE
1. Log-in to Plasma (X11) Session.
2. Choose Sleep to suspend computer.
3. Resume from suspend (sometimes all effects work properly but sometimes this
issue occurs)
OBSERVED RESULT
Sometimes when I resume the computer from sleep, my terminal windows are all
transparent with no magic lamp or slide back effects for any old /newly opened
windows. When I go to System Settings > Workspace Behavior > Desktop Effects,
there are no Blur, slide back, magic lamp options (many options are missing,
compare with the video). But once I do "kwin_x11 --replace &" and relaunch the
Desktop Effects settings, these options come back. This started occurring after
5.22 Update. System sleep was working alright in 5.21. Also present in the new
bug fix release 5.22.1.
EXPECTED RESULT
The compositor should resume from sleep with all the effects working like it
did before 5.22.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: linux-tkg-bmq-5.12.11 (Kernel doesnt matter)
KDE Plasma Version: 5.22.1
KDE Frameworks Version: 5.83
Qt Version: 5.15.2
ADDITIONAL INFORMATION
GPU: NVIDIA GeForce GTX 1060 6GB
Driver: NVIDIA Proprietary Driver 465.31-1
(ForceCompositionPipeline Enabled; flipping and sync to vblank disabled in
nvidia-settings)
Compositor backend is OpenGL 3.1
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