V-Sync not working randomly (Nvidia RTX 4070 - Fedora 40)
lordgabor Jun 22
Hi all,

I have a strange issue: I have an Nvidia RTX 4070 card, and I am using Fedora 40 currently, and somtetimes vsync does not work in game, I have heavy screen tearing for a few seconds (up to 10-20), and then it gets back to normal. When I started using Fedora a few months back I didn't have this problem. The system is not overheating I checked both the CPU and GPU temps. I also checked via mangohud, and strangely I don't see FPS drop either, it is staying on steady 60 fps, just with the heavy screen tearing. It happened to me with Talos Principle 2, Snowrunner, and rarely with Resident Evil Village. Has this happened to anyone else, where should I start to check, to find the root of the problem (is it the Nvidia (closed) driver, mesa driver, kernel, etc), which log should tell me more? Thanks for the tips in advance.
Ehvis Jun 24
I've had vsync issues on the KDE desktop and in some games. Basically an almost static tear somewhere on the scream. Not temporary I think, but it's not always in the same place so it may move out of sight. The only relevant thing that could be it is a recent driver update. If I see it again tonight I may downgrade it to test.
reedlove Jul 6
Same here. XP
It doesn't look like a normal mid frame update either, it's pixelated.
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