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Maniphest T86192

Particle edit mode crashs on undo (after running python command from text editor)
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Description

System Information
Operating system: Linux-5.10.15-1-MANJARO-x86_64-with-arch-Manjaro-Linux 64 Bits
Graphics card: GeForce GTX 1660 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.39

Blender Version
Broken: version: 2.92.0, branch: master, commit date: 2021-02-24 16:25, hash: rB02948a2cab44
Worked: 2.91, and before

Short description of error
Blender crashes when I go into particle edit mode, run simple script:

bpy.data.objects['curve_obj'].data.copy()

then undo always crashes Blender 2.92

Exact steps for others to reproduce the error

  1. Go into particle edit mode on sphere object
  2. Run script from text editor ( Text -> Run)
  3. ctrl+Z gives crash

I attach simple blend file.

undo_crash.blend707 KBDownload

Related Objects

Event Timeline

Jose Conseco (joseconseco) created this task.Mar 2 2021, 2:19 PM
Philipp Oeser (lichtwerk) closed this task as Resolved.Mar 3 2021, 10:31 AM
Philipp Oeser (lichtwerk) claimed this task.
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

Good news: this is fixed already in 2.93, see rB9059ee81ef6b: Fix particle-edit crash on undo/redo

Please try a fresh 2.93 build from https://builder.blender.org/download/

Since this commit is a candidate for a possible 2.92.1, it is already mentioned in T85958: Potential candidates for corrective releases

So thx reporting, will close now.