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Rendering with Image Texture and Normal Map nodes crash Blender.
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Description

System Information
OS: Windows 10 Pro
GPU: AMD Radeon RX 580 Series

Blender Version
Broken: 2.79b f4dc9f9d68b

System Preferences
Cycles Compute Device: OpenCL using Radeon RX 580 Series
OpenSubdiv compute: GLSL Compute

Render Preferences
Render - Device - GPU Compute
Cycles renderer used

Short description of error
Trying to render a scene with GPU crashes.
Rendering with command prompt attached gives the message:
"Compiling OpenCL program split
Error: EXCEPTION_ACCESS_VIOLATION"

Using Image Texture nodes as well as Normal Map nodes causes the previous error to occur.

Exact steps for others to reproduce the error
Within Node editor and Table Data selected.
The following connections will crash blender if attempted to render:

  • Top Image Texture node to Mix node.
  • Normal Map node to Glossy BSDF and Diffuse BSDF nodes.
  1. Connect any of the nodes listed.
  2. Render Image.

Details

Type
Bug

Event Timeline

Bastien Montagne (mont29) triaged this task as Needs Information from User priority.

Please launch Blender from the command line with --debug-cycles option and attach as text file here any error printed out in the console (do not paste it directly in comment).

@Brecht Van Lommel (brecht) might have more to suggest here though?

Please launch Blender from the command line with --debug-cycles option and attach as text file here any error printed out in the console (do not paste it directly in comment).
@Brecht Van Lommel (brecht) might have more to suggest here though?

@Bastien Montagne (mont29)

Bastien Montagne (mont29) raised the priority of this task from Needs Information from User to Normal.

Thanks.

We did a lot of fixes and changes in OpenCL kernel compilation. Assuming this is fixed now, I can reopen if it's not the case.