Extruding first vertex of a spline with GN modifier enabled causes a crash #94442

Closed
opened 2021-12-28 17:38:36 +01:00 by slowburn · 7 comments

System Information
Operating system: Windows-10-10.0.19043-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3060 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 497.09

Blender Version
Broken: version: 3.0.0, branch: master, commit date: 2021-12-02 18:35, hash: f1cca30557
Worked: not sure
Short description of error
I have a file with a simple Geometry Nodes modifier on a curve and extruding first vertex of a spline (based on direction) causes Blender to crash. It doesn't happen 100% of the time, but after a couple of extrudes it eventually crashes. Also it only happens if vertex has handle type set to Vector or spline type is Poly.

Curve extrude bug.blend

Exact steps for others to reproduce the error

  • Use the provided file
  • Extrude first vertex (one on the top in the viewport) on either of the curves
  • Repeat until Blender crashes
**System Information** Operating system: Windows-10-10.0.19043-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 3060 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 497.09 **Blender Version** Broken: version: 3.0.0, branch: master, commit date: 2021-12-02 18:35, hash: `f1cca30557` Worked: not sure **Short description of error** I have a file with a simple Geometry Nodes modifier on a curve and extruding first vertex of a spline (based on direction) causes Blender to crash. It doesn't happen 100% of the time, but after a couple of extrudes it eventually crashes. Also it only happens if vertex has handle type set to Vector or spline type is Poly. [Curve extrude bug.blend](https://archive.blender.org/developer/F12779451/Curve_extrude_bug.blend) **Exact steps for others to reproduce the error** - Use the provided file - Extrude first vertex (one on the top in the viewport) on either of the curves - Repeat until Blender crashes
Author

Added subscriber: @slowburn

Added subscriber: @slowburn
Member

Added subscriber: @HooglyBoogly

Added subscriber: @HooglyBoogly
Member

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

Changed status from 'Needs Triage' to: 'Confirmed'
Hans Goudey self-assigned this 2021-12-28 19:17:11 +01:00
Member

Thanks for the report. I can confirm the crash and I've found a fix.

Thanks for the report. I can confirm the crash and I've found a fix.

This issue was referenced by 512014f042

This issue was referenced by 512014f04216de3d488a8b4732fb72d538e38858

This issue was referenced by 4cbcfd22f5

This issue was referenced by 4cbcfd22f5d26e3cb520fa0ee0d85eedf018bab9
Member

Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
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Reference: blender/blender#94442
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