I’ve installed Pop!OS after getting my Lenovo Ideapad Pro 5 back from the warranty repair. Supposedly they changed the motherboard (which I don’t doubt, it was waiting a week for new parts apparently), but even after that I’m still getting graphical errors and bugs when moving between desktops and other window animations. I know X11 can be a bit buggy at best, so it could just be that on top of the newer SoC.
General memory-corruption artifacting, such as pink checker-boxes around elements that are animating on the desktop. Swapping from fullscreen games would sometimes lock the system with a white screen (visually) until I restarted GNOME.
I’ve swapped over to KDE-Neon to see if Wayland might help, and it seems to have cleared up the artifacting but I can’t be sure until I test some games.
There’s also a possibility that the System76 power daemon was causing issues. I noticed that artifacts disappear altogether if I’m running any kind of GPU test, and I’ve seen some suggest that the GPU was running at a too low frequency. Would make sense if the daemon was the cause as that’s the other big change between Pop and KDE-Neon.
I’ll likely be back on Pop! when they bring out CosmicDE so I’ll try again then, but it might be that I avoid it for now.
I had the same issue (on Pop!_OS), and I fixed it by tweaking the boot options to change IOMMU settings for my GPU.
I would try testing without the splash option, as that will change when/how GPU drivers are loaded and it might fix the glitches issue (but might still cause other issues).
I’ll give that a go next time I check out Pop!OS :) Thanks!
At least for now, KDE-Neon is running pretty stable. I’ll give a few 3D apps a go and get back to this thread if its good.