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NVIDIA To Ship Partial SteamVR Stutter Fix In Next Driver

NVIDIA To Ship Partial SteamVR Stutter Fix In Next Driver

NVIDIA plans to ship a hotfix later this week for “most” of the widely reported SteamVR stuttering issues.

Since driver version 456.71, released in October, some owners of recent NVIDIA graphics cards started experiencing stuttering in SteamVR caused by mysterious frame time spikes.

Dropping frames in VR is a serious issue because it can make people feel sick. Two weeks ago, NVIDIA QA engineer Manuel Guzman claimed “some progress” in identifying the root cause.

Yesterday, Guzman announced a hotfix is inbound, but warned the issue may remain when using GPU monitoring tools:

We are working on a hotfix driver to address the spikes in frame times when playing VR games with recent drivers. This upcoming hotfix driver should resolve most of the stutters reported by users. There will still be some stutter when using a GPU monitoring utility (eg. EVGA Precision X/MSI Afterburner) in the background while playing VR games but the hotfix driver will be an improvement over recent drivers.

Hardware monitoring utilities have been known to interfere with virtual reality compositors since the launch of the original Oculus Rift & HTC Vive in 2016. VR requires extremely low latency so GPU scheduling has to be completely precise, requiring close cooperation between drivers and runtime software.

Whatever the root cause, the severity seems to have increased since driver version 456.71.

Guzman claims a “complete” fix is being worked on, supporting the use of GPU monitoring tools, but there is no ETA for this.

The initial hotfix should roll out “later this week” – just make sure to keep tools like MSI Afterburner & EVGA Precision X closed for now.

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