I have the same problem, the image freezes, flips between frames, the game still works because I can hear it. Also using SteamVR, but with HP Reverb WMR and using 2080Ti.
This doesn't appear to be Dirt's fault, because I had the same freeze in Project Cars 2. This appear to be SteamVR related.
Game Randomly freezes Video in VR - unrecoverable
in DiRT Rally 2.0 Support
Posted
I have the same problem, the image freezes, flips between frames, the game still works because I can hear it. Also using SteamVR, but with HP Reverb WMR and using 2080Ti.
This doesn't appear to be Dirt's fault, because I had the same freeze in Project Cars 2. This appear to be SteamVR related.