Segmentation 11 fault on macOS Big Sur #84145

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Eason · 2020-12-26T07:30:05+01:00

Eason commented

2020-12-26 07:30:05 +01:00

System Information
Operating system: Darwin-20.1.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 5500M OpenGL Engine ATI Technologies Inc. 4.1 ATI-4.0.47

Blender Version
Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: 0f45cab862
Worked: (newest version of Blender that worked as expected)

Short description of error
I'm trying to create many scenes for my blender project, but when I tried to open up "Scene 2 shot 2 close up", it just crashes. It's similar to my last project's crash too, it both says segmentation fault 11. I would love to have this problem fixed, and also if you guys could send me back a debugged version, thank you, I worked really hard on this project.

Exact steps for others to reproduce the error

I've uploaded the crash information plus the blender file
iPad soft body sim.blend crash information.rtf

**System Information** Operating system: Darwin-20.1.0-x86_64-i386-64bit 64 Bits Graphics card: AMD Radeon Pro 5500M OpenGL Engine ATI Technologies Inc. 4.1 ATI-4.0.47 **Blender Version** Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: `0f45cab862` Worked: (newest version of Blender that worked as expected) **Short description of error** I'm trying to create many scenes for my blender project, but when I tried to open up "Scene 2 shot 2 close up", it just crashes. It's similar to my last project's crash too, it both says segmentation fault 11. I would love to have this problem fixed, and also if you guys could send me back a debugged version, thank you, I worked really hard on this project. **Exact steps for others to reproduce the error** I've uploaded the crash information plus the blender file [iPad soft body sim.blend](https://archive.blender.org/developer/F9530610/iPad_soft_body_sim.blend) [crash information.rtf](https://archive.blender.org/developer/F9530639/crash_information.rtf)

Eason commented

2020-12-26 07:30:05 +01:00

Added subscriber: @Chunkiey

Jean First commented

2020-12-26 12:54:29 +01:00

Added subscriber: @robbott

Jean First commented

2020-12-26 12:54:29 +01:00

The object cloth.003 causes mesh problems. Not sure what caused it, but mv_2->co in sub_v3_v3v3(vec_org, mv_2->co, mv_pivot->co); is garbage.

Quick solution: simply delete this object in the outliner (do not open the scene - just right click the object and delete it), recreate this mesh and continue working on your project.

Stack trace:

blender!sub_v3_v3v3 (/Users/*/devel/blender-git/blender/source/blender/blenlib/intern/math_vector_inline.c:493)
blender!split_loop_nor_fan_do (/Users/*/devel/blender-git/blender/source/blender/blenkernel/intern/mesh_evaluate.c:1158)
blender!loop_split_worker_do (/Users/*/devel/blender-git/blender/source/blender/blenkernel/intern/mesh_evaluate.c:1307)
blender!loop_split_worker (/Users/*/devel/blender-git/blender/source/blender/blenkernel/intern/mesh_evaluate.c:1335)
blender!Task::operator()() const::'lambda'()::operator()() const (/Users/*/devel/blender-git/blender/source/blender/blenlib/intern/task_pool.cc:118)
[...]

The object `cloth.003` causes mesh problems. Not sure what caused it, but `mv_2->co` in `sub_v3_v3v3(vec_org, mv_2->co, mv_pivot->co);` is garbage. Quick solution: simply delete this object in the outliner (do not open the scene - just right click the object and delete it), recreate this mesh and continue working on your project. Stack trace: ``` blender!sub_v3_v3v3 (/Users/*/devel/blender-git/blender/source/blender/blenlib/intern/math_vector_inline.c:493) blender!split_loop_nor_fan_do (/Users/*/devel/blender-git/blender/source/blender/blenkernel/intern/mesh_evaluate.c:1158) blender!loop_split_worker_do (/Users/*/devel/blender-git/blender/source/blender/blenkernel/intern/mesh_evaluate.c:1307) blender!loop_split_worker (/Users/*/devel/blender-git/blender/source/blender/blenkernel/intern/mesh_evaluate.c:1335) blender!Task::operator()() const::'lambda'()::operator()() const (/Users/*/devel/blender-git/blender/source/blender/blenlib/intern/task_pool.cc:118) [...] ```

Eason commented

2020-12-26 21:41:36 +01:00

ok got it, thank you so much,

Falk David commented

2021-01-20 10:55:30 +01:00

Added subscriber: @filedescriptor

Falk David commented

2021-01-20 10:55:30 +01:00

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

Falk David closed this issue

2021-01-20 10:55:30 +01:00

Falk David commented

2021-01-20 10:55:30 +01:00

It seems like the mesh got corrupted somehow. If I validate the mesh data in the Scene 2 shot 2 close up scene it returns false for the following meshes.

name: cloth.003 valid: False
name: ipad.003 valid: False
name: Plane.001 valid: False

So this is not a bug. As @robbott mentioned, you can delete the objects to get it working again or try and extract the mesh using python, then delete the objects and reconstruct them from scratch with the saved data. Closing.

It seems like the mesh got corrupted somehow. If I validate the mesh data in the `Scene 2 shot 2 close up` scene it returns false for the following meshes. ``` name: cloth.003 valid: False name: ipad.003 valid: False name: Plane.001 valid: False ``` So this is not a bug. As @robbott mentioned, you can delete the objects to get it working again or try and extract the mesh using python, then delete the objects and reconstruct them from scratch with the saved data. Closing.

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Segmentation 11 fault on macOS Big Sur #84145