Crash in Edit Mode with non-manifold meshes when autosmooth is enabled and set to exactly 180º #90421

New Issue

Lopo Isaac · 2021-08-04T09:03:20+02:00

Lopo Isaac commented

2021-08-04 09:03:20 +02:00

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA Quadro P5200/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 466.11

Blender Version
Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-08-03 20:35, hash: fb87d236ed
Worked: (newest version of Blender that worked as expected)
Caused by 39b2a7bb7e

Short description of error
Blender crashes in Edit Mode when:

The autosmooth checkbox in Properties > Object Data Properties > Normals > Auto Smooth is enabled and set exactly to 180º (the deafault 30º value or 179º work and don't crash Blender)
An operation like inset, bevel, etc is used on a non-manifold mesh (like a plane or any other non-clossed geometry).

Exact steps to reproduce the error

open .blend file
Use bevel tool on the selected face (crash)

Test File:
#90421.blend

Blender 2021-08-04 16-27-48.mp4

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: NVIDIA Quadro P5200/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 466.11 **Blender Version** Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-08-03 20:35, hash: `fb87d236ed` Worked: (newest version of Blender that worked as expected) Caused by 39b2a7bb7e **Short description of error** Blender crashes in Edit Mode when: 1. The autosmooth checkbox in `Properties > Object Data Properties > Normals > Auto Smooth` is enabled and set exactly to 180º (the deafault 30º value or 179º work and **don't crash** Blender) 2. An operation like inset, bevel, etc is used on a non-manifold mesh (like a plane or any other non-clossed geometry). **Exact steps to reproduce the error** - open .blend file - Use bevel tool on the selected face (crash) Test File: [#90421.blend](https://archive.blender.org/developer/F10264488/T90421.blend) [Blender 2021-08-04 16-27-48.mp4](https://archive.blender.org/developer/F10264984/Blender_2021-08-04_16-27-48.mp4)

Lopo Isaac commented

2021-08-04 09:03:20 +02:00

Added subscriber: @lowpolysaac

Pratik Borhade commented

2021-08-04 09:54:15 +02:00

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

Pratik Borhade commented

2021-08-04 09:54:22 +02:00

Added subscriber: @PratikPB2123

Pratik Borhade commented

2021-08-04 10:04:42 +02:00

Can confirm on current master.

Not sure but possibly caused by 39b2a7bb7e.
Will double check.

Can confirm on current master. Not sure but possibly caused by 39b2a7bb7e. Will double check.

Campbell Barton self-assigned this 2021-08-04 10:31:09 +02:00

Campbell Barton commented

2021-08-04 12:45:58 +02:00

Changed status from 'Confirmed' to: 'Needs User Info'

Campbell Barton commented

2021-08-04 12:45:58 +02:00

I can't actually redo the problem.

Please give exact steps to redo the bug.

I can't actually redo the problem. Please give exact steps to redo the bug.

Pratik Borhade commented

2021-08-04 13:08:46 +02:00

Hi @ideasman42 , updated the task description.

Also, tested again with updated master add719e31aa7d5668fd33cb1a1e02417a334be97. Can still reproduce.

Hi @ideasman42 , updated the task description. Also, tested again with updated master `add719e31aa7d5668fd33cb1a1e02417a334be97`. Can still reproduce.

blender-admin commented

2021-08-04 14:34:55 +02:00

This issue was referenced by 26c2c617b4

This issue was referenced by 26c2c617b468ee2900f584b0ec0c82dfd632849a

Campbell Barton commented

2021-08-04 14:43:07 +02:00

Changed status from 'Needs User Info' to: 'Resolved'

Campbell Barton closed this issue

2021-08-04 14:43:07 +02:00

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Crash in Edit Mode with non-manifold meshes when autosmooth is enabled and set to exactly 180º #90421