Hi! I am currently experiencing terrible lag in SteamVR on nvidia driver 555.58.02 with GSP enabled. As soon as I disable it it works flawlessly again. The lag only happens inside the VR headset - the “mirrored” game on the desktop is completely fine. GSP Off: [SteamVR no issues GSP Off] GSP O…

You might consider to additionally open an issue at Issues · NVIDIA/open-gpu-kernel-modules · GitHub since this is a difference between the open and closed kernel module.

I’m also seeing this behavior with version 560.35.03.

I don’t think the open kernel module works without GSP, at least on the github it says: “Note that the kernel modules built here must be used with GSP firmware and user-space NVIDIA GPU driver[…]” [image] GitHub - NVIDIA/open-gpu-kernel-modules: NVIDIA Linux open GPU kernel module sou…

This issue still persists with driver 565.57.01 and closed source kernel module + GSP on. haven’t tested open modules yet.

I’m also seeing the same issue with 565.77 and with open source driver is no longer possible to disable GSP :( Can’t use steamvr on linux anymore until this issue is fixed Edit:was able to revert to the proprietary driver for now

We have root caused the issue and changes will be integrated in future release drivers.

Thank you very much for looking into this! Seeing communication like this restores my hope in the future of Linux+Nvidia bit by bit :)

Appreciate the response! I’m looking forward to this change as well. The open kernel drivers have been pretty good otherwise.

Implemented a feature that allows low latency display interrupts to be serviced even when the system is under heavy contention. This is especially useful for reducing stutter when using virtual reality. This feature is experimental and disabled by default. This feature can be enabled by…

Enabling GSP makes SteamVR unplayable on RTX 3090ti

Graphics / Linux Linux

amrits December 16, 2024, 8:07am 8

We have filed a bug [5014610] internally for tracking purpose.
Shall keep posted on the update as soon as we get internal repro and update from engineering team.

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Enabling GSP makes SteamVR unplayable on RTX 3090ti

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