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Maniphest T48437

Blender hangs when entering in Sculpt Mode
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Description

System Information
win7x64, gtx460

Blender Version
Broken: (2.77.1 a83bc4f)
Worked: (2.77 abf6f08)

Short description of error
Blender hangs (freezes) when going to sculpt mode with selected mesh (see attached file)

Exact steps for others to reproduce the error
Open blend, go to Sculpt Mode

hang_bug.blend40 MBDownload

Related Objects

Event Timeline

Vertex (VertexPainter) created this task.May 15 2016, 10:44 AM
Vertex (VertexPainter) raised the priority of this task from to 90.
Vertex (VertexPainter) updated the task description. (Show Details)
Vertex (VertexPainter) added a project: BF Blender.
Vertex (VertexPainter) edited a custom field.
Vertex (VertexPainter) added a subscriber: Vertex (VertexPainter).
Bastien Montagne (mont29) merged a task: T48436: Blender hangs when entering in Sculpt Mode.May 15 2016, 10:58 AM
Bastien Montagne (mont29) added a subscriber: Bastien Montagne (mont29).May 15 2016, 11:10 AM

Cannot confirm, not getting any hanging here...

Might be related to T48422, can you please try and see if you can reproduce it?

Bastien Montagne (mont29) mentioned this in T48422: Blender freezes in multi-threaded tasks since recent rB98123ae91680, on windows - atomic ops issue?.May 15 2016, 11:10 AM
Bastien Montagne (mont29) mentioned this in T48432: Blender locks up almost instantly when starting to sculpt on a multires object..May 15 2016, 11:14 AM
Vertex (VertexPainter) added a comment.May 15 2016, 11:19 AM
In T48437#374423, @Bastien Montagne (mont29) wrote:

Cannot confirm, not getting any hanging here...

Might be related to T48422, can you please try and see if you can reproduce it?

Yes i can reproduce it, blender hangs!

Bastien Montagne (mont29) added a comment.May 15 2016, 8:39 PM

Yep, but on linux it works without any problem, definitively something wrong with windows and our atomic ops here… will merge the three reports, since they are more than likely the same issue. :)

Bastien Montagne (mont29) closed this task as a duplicate of T48422: Blender freezes in multi-threaded tasks since recent rB98123ae91680, on windows - atomic ops issue?.May 15 2016, 8:40 PM