Volume Grid reflection artifacts and fireflies in volume

[doppelgaengerdigital]

I have the same issues like david has in houdini here:
https://forums.chaosgroup.com/forum/...ion-artifacts/

PLUS:
When I render volumes with GI only and no fire lights, I always end up getting fireflies inside my volume, no matter what max AA samples or grid resolution I try. As soon as I create fire lights even with ultra low values, those fireflies inside the volume are gone.

Rendering GI only is ultra slow and noisy on my threadripper 3970wx. Arnold has no problems at all with this and is faster and cleaner on GI on environment.

This must be a bug, or do I miss something?

Thanks,
Stefan

[doppelgaengerdigital]

I was able to trace down the fireflies problem. It was the light cache. I can dial down the number, or disable it to get rid of fireflies on my smoke. Both seem to work for now.

But the Fire Lights reflections are really there, no matter what I try. This should be resolved quickly, as rendering just with GI produces unremovable noise on my scene.
Please give advice! Should this work with GI only?


Best
Stefan