Part of a shader seem to crash blender (open file, copy/paste, link or attach) #68689

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Simeon Conzendorf · 2019-08-15T13:07:12+02:00

Simeon Conzendorf commented

2019-08-15 13:07:12 +02:00

System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 980/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.36

Blender Version
Broken: version: 2.81 (sub 2), branch: soc-2019-openxr, commit date: 2019-08-14 20:59, hash: 9e7c48575a
Worked: (optional)

Short description of error
Shader (group) crashes blender when open file or copy/paste from stable 2.8

Exact steps for others to reproduce the error
I can't open the attached blend file in the current version (see above). It's also not possible to copy/paste the object or link/attach. It opens fine in stable 2.8. The bug seems to be in the material, there is a shader group (Cuivre_oxide_obj) - if you delete it, the problem is solved. But not the bug ;)

suitcase.zip

**System Information** Operating system: Windows-10-10.0.18362 64 Bits Graphics card: GeForce GTX 980/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.36 **Blender Version** Broken: version: 2.81 (sub 2), branch: soc-2019-openxr, commit date: 2019-08-14 20:59, hash: `9e7c48575a` Worked: (optional) **Short description of error** Shader (group) crashes blender when open file or copy/paste from stable 2.8 **Exact steps for others to reproduce the error** I can't open the attached blend file in the current version (see above). It's also not possible to copy/paste the object or link/attach. It opens fine in stable 2.8. The bug seems to be in the material, there is a shader group (Cuivre_oxide_obj) - if you delete it, the problem is solved. But not the bug ;) [suitcase.zip](https://archive.blender.org/developer/F7665688/suitcase.zip)

Simeon Conzendorf commented

2019-08-15 13:07:12 +02:00

Added subscriber: @SimeonConzendorf

Sebastian Koenig commented

2019-08-15 13:31:57 +02:00

Added subscriber: @sebastian_k

Sebastian Koenig commented

2019-08-15 13:31:57 +02:00

I can confirm this with master as well.
It's the material called "Steel" in this file.
To make Blender crash you just need to try to append the material "Steel" from the suitcase blendfile.

I can confirm this with master as well. It's the material called "Steel" in this file. To make Blender crash you just need to try to append the material "Steel" from the suitcase blendfile.

Philipp Oeser commented

2019-08-15 16:37:53 +02:00

Added subscribers: @fclem, @lichtwerk

Clément Foucault was assigned by Philipp Oeser

2019-08-15 16:37:53 +02:00

Philipp Oeser commented

2019-08-15 16:37:53 +02:00

Can confirm, seems to enter infinite loop in do_versions_material_convert_legacy_blend_mode from 13d469e6f0, @fclem: mind checking? d5002f007e was still good...

Can confirm, seems to enter infinite loop in `do_versions_material_convert_legacy_blend_mode` from 13d469e6f0, @fclem: mind checking? d5002f007e8d was still good...

Bastien Montagne commented

2019-08-15 18:29:52 +02:00

Added subscribers: @ZedDB, @mont29