VaM 1.x Framerate in main menu in VR slowly drops

[minutest_confuse_39]

When I run VaM in VR the framerate slowly drops until it's unplayable. It does this even on the VR main menu with no scene loaded, but also with a scene loaded. It starts smooth and over a few minutes it gets very laggy. The FPS counter in the settings menu shows this too, it's stable around 110-140fps for maybe 10 seconds and then it drops to 70-90 and doesn't recover. It then keeps getting lower over time. I've tried changing several settings in game and setting graphics to ultra low but nothing has helped yet. CPU, GPU processor, and GPU memory stay stable but RAM goes up very slowly. It feels like there's a leak of some kind somewhere but I don't know what it could be. This only happens in VR, on flatscreen everything is fine.

I'm running this on Arch Linux through SteamVR / Proton. I've tried several Proton versions and they've all had the same problem. I don't know what I'm doing different from other people running VaM on Linux.

GPU: 3070 Ti
CPU: Ryzen 5600x
RAM: 64GB

 

[atani]

I run VAM on arch too but just in desktop mode. Maybe you can try WyVRn instead of steamVR?
Personally, I prefer having a dual boot system with Windows and linux, where on linux I do VAM on desktop mode for working and everything except VR playing, and Windows is kept minimal with Virtual Desktop for playing VAM in VR and games. I find this option to be the best of both worlds and resolve weird annoyances like that one.