question

Adriyan Tandia avatar image
Adriyan Tandia asked

GPU arnold renderview rendering error : OptiX error is: Unknown error (Details: Function "_rtContextLaunch2D"...

Hello ! I have been trying myself to integrate this GPU workflow for my project, but seems like most of the time I am having this issue when I render :

ERROR   |  [gpu] an error happened during rendering. OptiX error is: Unknown error (Details: Function "_rtContextLaunch2D" caught exception: Encountered a rtcore error: m_api.pipelineCreate( context, pipelineOptions, compileOptions, modules, moduleCount, pipeline ) returned (8): Link error)
    GPU 0 had 23230MB free before rendering started and 13426MB free when crash occurred

log.txt
here on the top is the attached log, but overall I think the issue is just the one in the code bar, where I am still assuming that it still have 13426MB of memory free even before it crashed..?

I think this may be the reason why I cannot do a batch render or even render sequence button.

I would really appreciate it if there is a fix on this -- as GPU rendering would help me a lot speed-wise, and I thought it should be fairly stable and i accept that some AOVs would not work,but not expecting it to be not able to do any render at all..

The scene has a bunch of aiStandIn as well for more info, but I thought that this should not be the problem..?

I am using Nvidia Geforce RTX 3090 and my driver is in Nvidia Studio Driver version 471.68

Thank you !

arnoldgpuerroroptix
log.txt (28.0 KiB)
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Stephen Blair avatar image
Stephen Blair answered

Unfortunately, there's no way to know what happened from just that message. The error message is generic, so all we know is that it crashed. It could be a bug in Arnold or in Optix (the GPU rendering engine).


  • Can you get another log, this time with Verbosity set to Info ?
  • If you enable Ignore Textures (Render Settings > Diagnostics menu), does it still crash?

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