For a bit now my compositing has been very broken, it got worse after an update but I did said update mainly because the compositing was broken. It will generally be a bit buggy and not render things like videos or changes on the screen properly then now when I alt+tab it completely crashes. Restart…

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[image] JDoawp: OpenGL version: 3.1 Try using OpenGL 2.0 for the compositor backend. Change your compositor settings from “system settings → display and monitor → compositor”. I use OpenGL 2.0 as the compositor backend and the same NVIDIA driver version as yours and so…

I have :frowning: Still no change.

Actually, if I put to OpenGL 2 in the compositor when it crashes in the log it says “OpenGL version: 4.6”

clone your system to image by clonezilla, and do a fresh install to compare, you can try different nvidia driver, personally I like the driver from nvidia than nouveau, performance feel better.

Compare what? The OpenGL 2 vs 4.6 version? I don’t need to compare functionality because I know that it’s more broken now…

@ForteD probably meant to back-up your system and try different NVIDIA driver version, which you need to download from the NVIDIA directly without mhwd from Unix Drivers | NVIDIA For your GPU model, it should be 470.xx or 495.xx. If you don’t want to try different NVIDIA driver, perhaps try my las…

Do a fresh install to check is it by driver problem, or by something you did before that make kde mess up.

This happened before I had dual GPUs and Linux doesn’t even have access to my 1080. The 1080 is being passed to qemu/kvm. I don’t see how all of a sudden it would break since I haven’t changed any drivers and I’ve used this setup working well enough for over 8 months now.

Compositing/kwin broken, buggy+laggy display and graphical errors

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