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So whenever I try to render a smoke simulation on my GPU I'm presented with this error:

CUDA errorRendering

After receiving this error message I can no longer render anything on this file. I ran a test with only a small amount of smoke in my scene and still received the same rendering error, I have tried turning on experimental and still didn't resolve my issue. Any help on resolving this issue would be greatly appreciated.

Smoke in Scene

Graphics card: NVIDIA GeForce GTX 960M

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  • $\begingroup$ Maybe related - developer.blender.org/T49059. Try loading Blender without interface and checking. As it looks from that thread it might be out of memory error (but you could also provide logs from Blender console window). $\endgroup$
    – Mr Zak
    Jun 6, 2017 at 11:52
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    $\begingroup$ Was having this problem for hours too and finally I've found the solution: artificialflight.org/blog/2013/cycles-crash-cuda-tdr-error Thanks Julian Herzog! $\endgroup$
    – Ignac
    Jul 28, 2017 at 11:26

1 Answer 1

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I definitely recommend Ignac's suggestion - the TDR setting will mess up many animations if not extended.

As a side suggestion, I would download a program called 'GPU-Z' - blender will often crash before showing the actual amount of memory needed, which in my experience is double the amount stated. EG if you get a crash at 1228 MEM, it's because blender actually needed more than 2400 MEM. I usually see this during the 'Building BVH' stage.

GPU-Z will actually tell you how much memory was being used at the point of the crash. Very handy.

Hope this helps, Regards, C.

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