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乾楠 张 avatar image
乾楠 å¼  asked ·

Arnold 5.3 an error happened starting GPU rendering

Initialized VP2.0 renderer {

Version : 2016.11.35.12. Feature Level 5.

Adapter : GeForce RTX 2080/PCIe/SSE2

Driver : .

API : OpenGL V.4.6.

Max texture size : 16384 * 16384.

Max tex coords : 32

Shader versions supported (Vertex: 5, Geometry: 5, Pixel 5).

Shader compiler profile : (Best card profile)

Active stereo support available : 0

GPU Memory Limit : 8192 MB.

CPU Memory Limit: 7717.57 MB. }

OpenCL evaluator is attempting to initialize OpenCL.

OpenCL evaluator failed to find OpenCL device with vendor NVIDIA Corporation.

00:00:00 1892MB | Arnold 5.3.0.0 [b452526e] windows icc-17.0.2 oiio-2.1.0 osl-1.11.0 vdb-4.0.0 clm-1.0.3.513 rlm-12.4.2 optix-6.0.0 2019/03/20 01:03:22

00:00:00 1892MB | 1 x Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz (6 cores, 6 logical) with 8123MB

00:00:00 1892MB | NVIDIA driver version 419.35

00:00:00 1892MB | GPU 0: GeForce RTX 2080 @ 1815MHz (compute 7.5) with 8192MB (7334MB available) (NVLink:0)

00:00:00 1892MB | Windows 8 Professional (version 6.2, build 9200)

00:00:00 1892MB | soft limit for open files raised from 2048 to 2048

00:00:00 1892MB |

00:00:00 1892MB | loading plugins from C:/solidangle/mtoadeploy/2018/shaders ...

00:00:00 1892MB | loading plugins from C:/solidangle/mtoadeploy/2018/procedurals ...

00:00:00 1892MB | loaded 121 plugins from 9 lib(s) in 0:00.01

00:00:00 1892MB | loading plugins from C:\solidangle\mtoadeploy\2018\bin\..\plugins ...

00:00:00 1892MB | loaded 5 plugins from 3 lib(s) in 0:00.00

00:00:00 1892MB | 00:00:00 1892MB | releasing resources

00:00:00 1891MB | Arnold shutdown

[gpu] Arnold stack overflow exception encountered during render (988 threads threw an exception)

gpudriver
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Jack Daniels avatar image
Jack Daniels answered ·

I have the same issue as of late.... but I think it might be related to a specific scene and certain elements in it.
Until yesterday I had been rendering on the 980ti and it had been going fine, but on this latest scene, the GPU rendering began to hang quit a bit. Resulting in the stack overflow. With the 980ti I had 1 thread exception.

Then I installed the 2080ti x trio and tried the same scene. No luck. I even let it sit with the renderview window open and running over night. It was stuck at 0%. I did a GPU populate before hand.

Today I tried resetting the preferences. This enabled me to get real time viewport rendering with the gpu with a simple sphere. I then loaded up the larger scene I had been working on and it started hanging again. This time the stack overflow had 13 thread exceptions. I didn't change anything else in the render settings, except lowering the amount of samples totally.

I am getting this before shut down:

[disp] pCubeShape1: padding is at least 10x smaller than it should be! given disp_padding: 0, recommended: 0.972435474

[disp] group3|pCylinder4|pCylinderShape4: padding is at least 10x smaller than it should be! given disp_padding: 0, recommended: 0.117268324

[disp] group3|pCylinder5|pCylinderShape5: padding is at least 10x smaller than it should be! given disp_padding: 0, recommended: 0.11511904

[disp] group1|pSphere1|pSphereShape1: padding is at least 10x smaller than it should be! given disp_padding: 0, recommended: 0.0999999046

[disp] group2|pSphere1|pSphereShape1: padding is at least 10x smaller than it should be! given disp_padding: 0, recommended: 0.0999999046

[gpu] Arnold stack overflow exception encountered during render (13 threads threw an exception)

Cube1 is a simple table shape. Only bevelled on the edge.

CylinderShape4 and 5 are two copies of a orange slice I built. They have a fairly simple shader network made with aiStandard Surfaces. They have a transmission shader attached that controls the meat of the orange slice and its light transmission.

SphereShape1 is a wine glass shape with thickness, being slightly intersected by the shape used as a liquid. It has a displacement attached to bring out facets in the glass.

Light is a SkyDome with default settings. I only changed its rotation. And then two LightPortals for the 2 windows.


The scene opens fine without warnings, but I can't get it to render. It will however render with CPU although yielding worse results than GPU.

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Stephen Blair avatar image
Stephen Blair answered ·

Can you update your driver and try again? 419.67 is the minimum required driver

You have

 NVIDIA driver version 419.35
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Yes,I have updated the driver now,but still have the same problem.

Detected 1 OpenCL Platforms:

0: NVIDIA Corporation. NVIDIA CUDA. OpenCL 1.2 CUDA 10.1.131.

Choosing OpenCL Device GeForce RTX 2080. Device Type: GPU Device is available.

00:00:00 1946MB | Arnold 5.3.0.0 [b452526e]

00:00:00 1946MB | NVIDIA driver version 419.67

00:00:00 1946MB | GPU 0: GeForce RTX 2080 @ 1815MHz (compute 7.5) with 8192MB (7317MB available) (NVLink:0)

[gpu] Arnold stack overflow exception encountered during render (37187 threads threw an exception)

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