Operating system: win 10 20H2
Graphics card: 2 x RTX 3090. Test it on multiple drivers, now i am on 461.40
Short description of error
Select the gpu in the system with optix then select cycles and click render Preview button and blender hangs for ever. The same bahavior is with cuda . I test it with the lates beta and is the same.
Exact steps for others to reproduce the error
As above described.