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Kevin Burke avatar image
Kevin Burke asked ·

Error "[gpu] no compatible NVIDIA GPUs found (GPU-rendering)";

Hello,

I recently purchased a subscription to Maya 2020 and I'm trying to get Arnold to work with my GPUs. They are a bit older, NVIDIA Titan Blacks, but they are running their latest driver (457.30). I use these GPUs for rendering in other software: Octane in Cinema 4D, Cycles in Blender, & the Adobe Creative Suite with no issue.


When I open Arnold's Render View and change the Render Device to GPU, I get this error and it stops rendering:

error -noContext "[gpu] no compatible NVIDIA GPUs found (GPU-rendering)";
// Error: [gpu] no compatible NVIDIA GPUs found (GPU-rendering) // 


I have MtoA 4.1.0 and Arnold Core 6.0.3.0 installed.


How can I get Arnold to recognize my GPUs? Thank you.



mtoagpu
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Thiago Ize avatar image
Thiago Ize answered ·

The NVIDIA GeForce GTX TITAN BLACK GPU uses the Kepler architecture. Arnold requires newer GPUs. See https://docs.arnoldrenderer.com/display/A5ARP/Supported+GPUs for details.

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Stephen Blair avatar image
Stephen Blair answered ·

Do you see nvml.dll in C:\Program Files\NVIDIA Corporation\NVSMI ?

If not, can you try copying nvml.dll from C:\WINDOWS\system32 to C:\Program Files\NVIDIA Corporation\NVSMI (after you create that folder) ?


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Kevin Burke avatar image
Kevin Burke answered ·

@Thiago Ize Thank you.

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Kevin Burke avatar image
Kevin Burke answered ·

@Stephen Blair I've linked my Maya .log file. From what I can tell, the gpu error is the only message about the issue (line 1641).

https://pastebin.com/c4CePK4k

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Kevin Burke avatar image
Kevin Burke answered ·

@Emmanuel Belvisée, I appreciate that your problem is similar to mine, but it might be for different reasons. Please open your own thread for this issue so we both can get attention and focus to our specific configurations. You can follow this thread if you think it might provide answers to your problem. Thank you.

@Stephen Blair Thank you for the suggestion. I followed your advice, but I'm still getting the error.

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