i had the same experience a couple of weeks before with a stitched huge single alembic-file ( foampass from realflow standalone) octane does not render the alembic-particles. at the end i switched to a monthly arnold-subscription: the capability to render a even a huge amount of particles is ...

Ok - solved it by rolling back to a previous Nvidia driver, then reinstalling the latest one over the top, clean install.

Will leave this here in case it helps anyone else.

Apologies if this is already covered - I did search thoroughly and couldnt find this specific issue.

I had Octane VR working in C4d fine, with my single 780ti.

I then introduced a gtx 660 in to the setup, to run my monitors from, and thus use my 780ti purely for rendering. However, since ...