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Ctrl+P Automatic Weights Freezes Blender
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Description

System Information
Linux Mint Cinnamon 64-bit
Intel x64 CPU
Intel 3rd Generation GPU

Blender Version
Broken: (2.79 Release Candidate 2)
Worked: (2.78)

Short description of error
Whenever I try to apply automatic weights to a model, it freezes Blender.

Exact steps for others to reproduce the error

  1. Select Mesh
  2. Select Armature
  3. Ctrl+P -> Automatic Weights
  4. Blender freezes

Sample file: https://drive.google.com/open?id=0B4_jctTzoBhzWU93R3p0N1pyODA

Details

Type
Bug

Event Timeline

Win 7 x64
I7 2600 16gb ram
nvidia 1070
Blender RC2 7b397cd

Works fine here.

Win 7 x64
I7 2600 16gb ram
nvidia 1070
Blender RC2 7b397cd
Works fine here.

So, is it a Linux issue then?

not sure, im not a developer, just a user that test and add info to save some dev time.

Joshua Leung (aligorith) triaged this task as Normal priority.

Cannot reproduce here on 65582e7, using Windows 8.1 64-bit (i7-4700MQ).

  • The file on Google Drive already has vertex groups applied, with working weights. How did these come about?
  • There is a slightly longer pause (~700-1000ms) if doing this if all the vertex groups currently on the mesh are deleted. Otherwise, it seems to work well.
  • Are you having problems when using "With Automatic Weights" when the old weights are present, or does it only happen when doing this when no vertex groups exist?
  • Do you still get any hanging if you fix the non-manifold parts of the mesh (e.g. the holes for the eye sockets, by closing those off)?

Unless anyone on Linux/Mac can confirm the problems you're encountering, we're going to have to close this report as there haven't been any major changes in this area recently IIRC.

Bastien Montagne (mont29) lowered the priority of this task from Normal to Needs Information from User.Sep 11 2017, 9:06 AM

Restarting my computer solved the issue. Never mind.

Joshua Leung (aligorith) claimed this task.

Thanks! We can close this now :)