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Maniphest T87682

Boolean Modifier on Exact mode crashes blender
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Description

System Information
Operating system: Linux-5.11.12-rt11-xanmod1-1-rt-x86_64-with-glibc2.33 64 Bits
Graphics card: NVIDIA GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 465.24.02

Blender Version
Broken: version: 2.93.0 Beta, branch: master, commit date: 2021-04-20 15:45, hash: rB3735986e8759
Worked: (newest version of Blender that worked as expected)

Short description of error
blender crashes when having boolean modifier on exact mode only on this object

Exact steps for others to reproduce the error
just open this file and click on exact

crash boolean exact.blend1 MBDownload

crash boolean exact.crash.txt4 KBDownload

Revisions and Commits

rB Blender
rBc96f9bd34000 Fix T87682 Boolean Exact crash.
rBf7afd78b80e5 Fix T87682 Boolean Exact crash.

Related Objects

Event Timeline

wueo (mushroomeo) created this task.Apr 21 2021, 3:31 PM
swann (slumber) added a subscriber: swann (slumber).Apr 21 2021, 4:15 PM
Henrik Dick (weasel) changed the task status from Needs Triage to Confirmed.Apr 22 2021, 9:15 AM
Henrik Dick (weasel) added subscribers: Howard Trickey (howardt), Henrik Dick (weasel).

Can confirm.

System Information
Operating system: Linux-5.8.0-2-amd64-x86_64-with-glibc2.31 64 Bits
Graphics card: GeForce GTX 1070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 450.66

Blender Version
Broken: version: 3.0.0 Alpha, commit date: 2021-04-20 14:00, hash: rB847579b42250
Worked: 2.92.0 Release

Seems to be a regression. What do you think @Howard Trickey (howardt) ?

Helge Grimhardt (Helge) added a subscriber: Helge Grimhardt (Helge).EditedApr 22 2021, 9:49 AM

I can reproduce the issue with this file on Windows 10 using the latest beta:
System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: Intel(R) HD Graphics 620 Intel 4.5.0 - Build 27.20.100.8681

Blender Version
Broken: version: 2.93.0 Beta, branch: master, commit date: 2021-04-21 20:15, hash: rB0f66dbea904f

A few things I noticed:

1.) It did not crash with: blender-2.93.0-6776b74d0a67-windows64, this seems to be something rather new.

2.) Not sure if this is connected (I'm beginning to think that this might be a separate issue. ), but if you try to apply the Solidify Modifier (using the menu and clicking Apply), the Boolean Modifier is applied instead. However, using the shortcut (Ctrl+A) works fine. (Btw. "Move to First" and "Move to Last" also don't seem to work on this Solidify Modifier.)
Edit: I think this has already been tackled in: https://developer.blender.org/T87401

3.) If you apply the Solidify Modifier (using the shortcut), Blender still crashes when switching the Boolean Modifier to Exact, afterwards.

4.) If you place a Triangulate Modifier between the Solidify and the Boolean Modifier, Blender does not crash.

Henrik Dick (weasel) added a comment.EditedApr 22 2021, 10:04 AM

It does crash on 2.93.0 Beta, branch: master, commit date: 2021-04-21 20:15, hash: rB0f66dbea904f on Linux (tested as well right now).

I tried setting the solidify to simple (with even thickness) instead of complex with no change. I also tries applying solidify and toggling edit mode on and off to validate the mesh with no result. So the issue seems to really be the Boolean here.

Howard Trickey (howardt) claimed this task.Apr 24 2021, 5:30 PM

Working on this now.

Howard Trickey (howardt) closed this task as Resolved by committing rBf7afd78b80e5: Fix T87682 Boolean Exact crash..Apr 24 2021, 8:47 PM
Howard Trickey (howardt) added a commit: rBf7afd78b80e5: Fix T87682 Boolean Exact crash..
Howard Trickey (howardt) added a commit: rBc96f9bd34000: Fix T87682 Boolean Exact crash..Apr 24 2021, 8:54 PM