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Grey monitor w/ OpenCL and glitchy/out of GPU Memory w/ CUDA

PostPosted: Wed Mar 17, 2021 1:27 am
by makingstuff
Hi all,

I am wanting to bite the bullet and purchase Resolve after watching Youtube vids on usage. It's a clear leader and a fair price. Nice.

I am testing though first on the free version to see it works.

My signate has my hardware. I am running the GPU on an eGPU case via thunderbird and it works a treat everywhere in the OS. Games, etc etc. Davinci loads, can see it and auto selects it etc.

However, after converting footage to something readable for resolve (doesn't like mp4 it turns out), I get out of GPU memory warnings and glitch video in the monitor window that I can't even see or use if on CUDA and I get blank monitor window on OPENCL.

Is there anything I can try? I'm dead keen to get this going. As I say, happy to purchase, but only if I can get it working of course. Any help or advice would be greatly appreciated. Thank you

UPDATE: I've tried with DR 16 and 17 and identical behavior, except with DR16 the CUDA works with audio now, and just a black monitor (no glitching)

Re: Grey monitor w/ OpenCL and glitchy/out of GPU Memory w/

PostPosted: Wed Mar 17, 2021 8:53 am
by Peter Chamberlain
moved to resolve forum
its likely you are only using the low performance intel GPU.
Is your monitor plugged into the Intel or eGPU?
what specific Nvidia driver is installed?
Do you see the Nvidia GPU in the preferences, system, GPU?

Re: Grey monitor w/ OpenCL and glitchy/out of GPU Memory w/

PostPosted: Wed Mar 17, 2021 12:13 pm
by makingstuff
Thank you for the feedback and suggestions.
Resolve definitely has the eGPU (NVidia) as the one it's using, however it's a great idea to try and plug the monitor/s into the eGPU as they are still plugged into the main machine / weaker video card. Games etc ARE responding with epic frame rates but still, it's worth a try.

I do see the NVidia GPU in the system preferences. It mentions both video cards. The NVidia tools in the terminal all see it, etc. I'm on a different machine ATM but will try again and report back. Thanks again