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Maniphest T57850

Crash Bevel Modifier with Vertex Group
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Description

System Information
Windows 10, GeForce GTX 1060 6GB/PCIe/SSE2

Blender Version
Broken: (Blender 2.80 (sub 30), hash: c94f806dc73 )

Short description of error
When trying a Bevel Modifier with Face Area ( Normal Mode ) , Blender Crashes

Exact steps for others to reproduce the error

  1. Create an L shape from edges .
  2. Select Middle Vertice and create a vertex group with 1.00 Weight
  3. Put a Skin Modifier - Default Values
  4. Put a Bevel Modifier - on the Vertex Group
  5. Select Face Area in the Bevel Modifier

Blender Crashes

BugTest.blend577 KBDownload

I've atached the Blend File, just go to modifiers and press Face Area and see the crash .

Revisions and Commits

rB Blender
rB91aa81b61dd0 Fix T57850, bevel modifier crash with vertex groups and face area mode.

Related Objects

Event Timeline

Catalin (giakaama) created this task.Nov 15 2018, 12:49 PM
Philipp Oeser (lichtwerk) assigned this task to Howard Trickey (howardt).Nov 15 2018, 3:04 PM
Philipp Oeser (lichtwerk) lowered the priority of this task from 90 to 50.
Philipp Oeser (lichtwerk) added subscribers: Howard Trickey (howardt), Philipp Oeser (lichtwerk).

Can confirm the crash.

Looks like this might just be a typo?
BMLoop *l is used here (and NULL) [and it looks like l was meant for another loop.... but I could be totally wrong here]

1   bevel_mod_harden_normals                                                                                                                                                                                  MOD_bevel.c       201  0x24ddeea 
2   applyModifier                                                                                                                                                                                             MOD_bevel.c       445  0x24e40cd 
3   modwrap_applyModifier                                                                                                                                                                                     modifier.c        839  0x2ac99d1 
4   mesh_calc_modifiers                                                                                                                                                                                       DerivedMesh.c     1446 0x2974458 
5   mesh_build_data                                                                                                                                                                                           DerivedMesh.c     2002 0x29766a7 
6   makeDerivedMesh                                                                                                                                                                                           DerivedMesh.c     2109 0x2976af6 
7   BKE_object_handle_data_update                                                                                                                                                                             object_update.c   213  0x2b06150 
8   BKE_object_eval_uber_data                                                                                                                                                                                 object_update.c   342  0x2b06732

maybe like P824?

but leaving to @Howard Trickey (howardt) to decide.... mind having a look?

Howard Trickey (howardt) added a comment.Nov 16 2018, 2:51 PM

I too confirm the crash and will work on fixing it.

Howard Trickey (howardt) changed the task status from Unknown Status to Resolved by committing rB91aa81b61dd0: Fix T57850, bevel modifier crash with vertex groups and face area mode..Nov 16 2018, 4:07 PM
Howard Trickey (howardt) added a commit: rB91aa81b61dd0: Fix T57850, bevel modifier crash with vertex groups and face area mode..
Howard Trickey (howardt) added a comment.Nov 16 2018, 4:07 PM

Indeed, it was a type for Loop variable. Thanks. Fixed now.