Created attachment 136465 [details] qdbus org.kde.KWin /KWin supportInformation SUMMARY Since updating to 5.21.1 I see those graphical artifacts like in the screen recording all over the place: On the panel, on windows, on context menus, in apps. They seem to happen randomly every now and then and are really annoying. Screenrecording: https://rwth-aachen.sciebo.de/s/iA4cVcNSzFOGXEf SOFTWARE/OS VERSIONS Operating System: Manjaro Linux KDE Plasma Version: 5.21.1 KDE Frameworks Version: 5.79.0 Qt Version: 5.15.2 Kernel Version: 5.11.1-1-MANJARO Graphics Platform: X11 Graphics Processor: Mesa Intel® HD Graphics 620 (modeset driver) ADDITIONAL INFORMATION Scaling: 2.0 2 screens both on 60 Hz OpenGL 3.1, scaling exact, latency balanced, tearing auto
Created attachment 136466 [details] 1. Screenshot from the artifacts seen in the screen recording
Created attachment 136467 [details] 2. Screenshot from the artifcat seen in the screen recording. You can also see that the mouse pointer is seen twice in the lower left corner.
In the moment the artifacts seem to be gone. I will try to figure out in which situation they start appearing (again). For any hints I'd be thankful!
Created attachment 136486 [details] Screenshot from a screenrecording from a person on reddit I've noticed that someone published a screen recording of a Plasma 5.21 session in which the same artifacts can be seen [1] at second 13-14. I made a screenshot and attached it here. This at least proofs that it's not only me who is affected. [1] https://www.reddit.com/r/kde/comments/m07uoy/any_kind_of_window_tiling_is_not_working_on_kde/
It would be interesting to see if the artifacts go away permanently when compositing is turned off.
I mostly (or only?) see those graphical issues now at Firefox 89's file download dialog. I will try to capture a screenshot, but the distortion vanishes very quickly. Could be related to https://bugs.kde.org/show_bug.cgi?id=437893 somehow? At least symptoms look similar.
Created attachment 139512 [details] Screenrecording Demonstration of the issue from the post above. Operating System: openSUSE Tumbleweed 20210615 KDE Plasma Version: 5.22.0 KDE Frameworks Version: 5.82.0 Qt Version: 5.15.2 Kernel Version: 5.12.10-1-default (64-bit) Graphics Platform: X11 Graphics Processor: Radeon RX 580 Series Display: x11 server: X.org 1.20.11 driver: loaded: amdgpu,ati unloaded: fbdev,modesetting,vesa resolution: <missing: xdpyinfo> OpenGL: renderer: Radeon RX 580 Series (POLARIS10 DRM 3.40.0 5.12.10-1-default LLVM 12.0.0) v: 4.6 Mesa 21.1.2 Compositor: OpenGL 3.1 I will test it later w/o compositing.
Created attachment 139576 [details] Kirigami Gallery and Task Manager Artifacts Kirigami Gallery colors page and Task Manager indicator artifacts. Operating System: KDE neon 5.22 KDE Plasma Version: 5.22.1 KDE Frameworks Version: 5.83.0 Qt Version: 5.15.3 Kernel Version: 5.8.0-55-generic (64-bit) Graphics Platform: X11 Processors: 4 × Intel® Core™ i5-3470 CPU @ 3.20GHz Memory: 6,7 GiB of RAM Graphics Processor: Mesa DRI Intel® HD Graphics 2500
It has also been happening: - without compositing - on wayland
(In reply to Dimitris Kardarakos from comment #8) > Kirigami Gallery colors page and Task Manager indicator artifacts. At least I don't have this issue and it may be a different one.
I had similar artifacts after upgrading to 5.23. Finally I had a look at ~/.config/kwinrc and found: [Compositing] AnimationSpeed[$d] Backend=OpenGL Enabled=true GLColorCorrection=false GLCore=true GLPlatformInterface=egl GLTextureFilter=2 HiddenPreviews=5 OpenGLIsUnsafe=false UnredirectFullscreen=false XRenderSmoothScale=false after I removed GLPlatformInterface=egl GLTextureFilter=2 all work fine again. I also have Intel HD Graphics and running a X11 session. One last note: I only had artifacts in Qt programmes.
I just saw in one of Niccolò's last videos, that he experiences the same issue [1], when he opens Discover: 1) only the title is displayed but the background fills the window's content and 2) while resizing it flickered two times with a very similar pattern as described in this bug report. [1] Challenge: Use KDE Plasma ONLY With Touchscreen! https://tube.kockatoo.org/w/76xwD2mHFm7CF8j11cZcMr?start=5m42s --- > after I removed > GLPlatformInterface=egl > GLTextureFilter=2 > all work fine again. I will test later if this triggers it also for me, thank you!
Created attachment 142786 [details] Screenshot of the issue from the video in comment 12
Are you able to reproduce this issue in Plasma 5.25 or later?
(In reply to Nate Graham from comment #14) > Are you able to reproduce this issue in Plasma 5.25 or later? Can't remember the last time I saw it. :)