Crash/Bugs with material's Surface dropdown + undo #74168

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opened 2020-02-24 15:28:40 +01:00 by RedMser · 4 comments
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System Information
Operating system: Linux-4.15.0-45-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: GeForce RTX 2080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 435.21

Blender Version
Broken: version: 2.83 (sub 4), branch: master, commit date: 2020-02-23 23:00, hash: abb7364912
Also confirmed to crash in 2.80.
Worked: 2.79b does not crash (works as expected)

Short description of error
When changing the surface/volume in material properties (the list view of the shader nodetree) and undo, opening the dropdown directly afterwards again can crash Blender.

Exact steps for others to reproduce the error

  • Download repro blend file (it's just a Cube with a Principled BSDF) shaderlistRepro.blend
  • In Properties Editor, click on Surface (Principled BSDF) and select any option in the dropdown
  • Move your mouse over the Surface dropdown and keep it there!
  • Press CTRL+Z to undo
  • Click on the Surface (Principled BSDF) dropdown again (your mouse may not leave the dropdown box)
  • Blender crashes

The same happens when done with the Volume dropdown instead.

2020-02-24 15-09-16.mp4

Possibly related issue
In another file, doing the exact same steps as above has some other effects:

  • Either it spawns this popup (clicking any of these options crashes Blender) image.png
  • Or it spawns a blank popup image.png
    This is the reproduction file which caused this: shaderlistRepro2.blend

Which effect happens is really inconsistent and I am not sure how to reproduce one or the other.

**System Information** Operating system: Linux-4.15.0-45-generic-x86_64-with-debian-buster-sid 64 Bits Graphics card: GeForce RTX 2080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 435.21 **Blender Version** Broken: version: 2.83 (sub 4), branch: master, commit date: 2020-02-23 23:00, hash: `abb7364912` Also confirmed to crash in 2.80. Worked: 2.79b does not crash (works as expected) **Short description of error** When changing the surface/volume in material properties (the list view of the shader nodetree) and undo, opening the dropdown directly afterwards again can crash Blender. **Exact steps for others to reproduce the error** - Download repro blend file (it's just a Cube with a Principled BSDF) [shaderlistRepro.blend](https://archive.blender.org/developer/F8366429/shaderlistRepro.blend) - In Properties Editor, click on Surface (Principled BSDF) and select any option in the dropdown - Move your mouse over the Surface dropdown and keep it there! - Press CTRL+Z to undo - Click on the Surface (Principled BSDF) dropdown again (your mouse may not leave the dropdown box) - Blender crashes The same happens when done with the Volume dropdown instead. [2020-02-24 15-09-16.mp4](https://archive.blender.org/developer/F8366436/2020-02-24_15-09-16.mp4) **Possibly related issue** In another file, doing the exact same steps as above has some other effects: - Either it spawns this popup (clicking any of these options crashes Blender) ![image.png](https://archive.blender.org/developer/F8366447/image.png) - Or it spawns a blank popup ![image.png](https://archive.blender.org/developer/F8366451/image.png) This is the reproduction file which caused this: [shaderlistRepro2.blend](https://archive.blender.org/developer/F8366455/shaderlistRepro2.blend) Which effect happens is really inconsistent and I am not sure how to reproduce one or the other.
Author
Contributor

Added subscriber: @RedMser

Added subscriber: @RedMser

Added subscribers: @dfelinto, @WilliamReynish

Added subscribers: @dfelinto, @WilliamReynish

Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Dalai Felinto was assigned by William Reynish 2020-02-24 21:27:58 +01:00

Thanks for the detailed report. I can indeed reproduce this.

@dfelinto Not sure who to assign to?

Thanks for the detailed report. I can indeed reproduce this. @dfelinto Not sure who to assign to?
Dalai Felinto removed their assignment 2020-04-07 15:53:53 +02:00
Philipp Oeser removed the
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Reference: blender/blender#74168
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