Crash on edit mesh with a curve modifier with both a vertex group assigned and the edit mode display option enabled #93611
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Reference: blender/blender#93611
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System Information
Operating system: Windows-10-10.0.19043-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 1080/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:
f1cca30557Worked: 2.93.6
Caused by
3b6ee8cee7Short description of error
Blender crashes on mesh edit if the mesh has a curve modifier with both a vertex group set and the edit mode display option toggled on.
The crash seems to depend on both being set, both options work normally when used independently (remove the vertex group or turn off the edit mode display option on the modifier and edit will still work).
Exact steps for others to reproduce the error
Open attached .blend file.
Select the plane.
Press tab to go into edit mode - Blender will crash.
Either remove the vertex group or turn off the edit mode display option on the modifier and it won't crash.
Thank you!
curvecrash.blend
Added subscriber: @warlrus
#94131 was marked as duplicate of this issue
Added subscriber: @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
Can confirm, will check.
This issue was referenced by
46f5b305e4This issue was referenced by
0e52af097fAdded subscriber: @HooglyBoogly
Supposed to inform author of breaking commit, so CC @HooglyBoogly [fix is already in D13487]
Changed status from 'Confirmed' to: 'Resolved'
Added subscriber: @milesholt
Hi Philipp, thanks for looking into this. But surely it's not resolved if the solution is to not enable it or remove the vertex group? As in my case I need to use the vertex group, but also work with it in edit mode, so both need to be enabled.
@milesholt : have you checked this in a fresh 3.1 daily build from https://builder.blender.org/download/daily/?
Ah I see, sorry I was responding to this - 'Either remove the vertex group or turn off the edit mode display option on the modifier and it won't crash.' I'll take a look, thanks!