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Maniphest T75802

Unable to use Render Image. Closing the window crashes Blender.
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Description

Operating system: Windows 10
Graphics card: GeForce GTX 1060 6GB

Blender Version 2.82a

I am unable to produce a render using Render>Render Image or Render>Render Animation. The Render Window opens, system resources peak to expected levels and no image is produced. When I go to close this Render Window, Blender will crash. I am able to produce an image using View>Viewport Render Image as well as View>Viewport Render Animation. This error occurs whether I am using eevee or cycles as an engine. It also occurs whether I am using GPU or CPU for the render.

If I simplify this scene by splitting up the objects into different blend files. I.e only using 1-2 planes and 1 cloth modified object and a few light sources, I am able to produce a Render Image.

Exact steps for others to reproduce the error
Open the attached .blend file. Press F12. No image is produced, and closing the render window will crash Blender.

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Event Timeline

J (MadCap) created this task.Apr 17 2020, 12:04 AM
J (MadCap) added a comment.Apr 17 2020, 12:13 AM
This comment was removed by J (MadCap).
J (MadCap) updated the task description. (Show Details)Apr 17 2020, 12:20 AM
J (MadCap) added a comment.EditedApr 17 2020, 1:02 AM

Example.blend30 MBDownload

I simplified the scene down until I found the offending object that seems to cause the error. It's an appended object from another .blend file. When I make this object Local, the error goes away.

Another weird interaction: the render window seems to only fail when I try to begin the render in Object Mode. If I begin the render in Edit Mode, the render will produce an image.

Brecht Van Lommel (brecht) closed this task as Archived.EditedApr 17 2020, 3:08 PM
Brecht Van Lommel (brecht) claimed this task.
Brecht Van Lommel (brecht) added a subscriber: Brecht Van Lommel (brecht).

It's the subdivision surface modifier that is very slow and memory hungry here, which then causes crashes when it runs out of memory, which is somewhat random.

For that we have T58191: Subdivision Surface modifier performance issues.

Note that applying subdivision surfaces to the mesh in this .blend file is not a good idea. It is already highly subdivision and has topology that is poorly suited to subdivision surfaces.

J (MadCap) added a comment.Apr 17 2020, 3:22 PM

Thank you Brecht, I very much appreciate your reply.