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Maniphest T42321

"Render Animation" motion blur takes a ridiculously long time
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Description

OS
Windows 8

Blender Version
Tested on 2.71, 2,72, 2.72a

Problem
I discovered this while trying to find a workaround of problem reported in T42319.

When using the "Render Animation" function with motion blur enabled, some frames render fine, but some frames take a ridiculously long time.
In the attached file, when trying to render animation with "Motion Blur" enabled (even at 0), frame #2 especially seem susceptible to this, though it happened with frame #0 at another point of testing.

This doesn't happen when rendering out single frames.

File:

SW_ArmyAnt_03_Attack02_RenderBug.blend4 MBDownload

Related Objects

Event Timeline

KiJeon (0o00o0oo) created this task.Oct 21 2014, 2:38 AM
KiJeon (0o00o0oo) raised the priority of this task from to 90.
KiJeon (0o00o0oo) updated the task description. (Show Details)
KiJeon (0o00o0oo) added a project: Render Pipeline.
KiJeon (0o00o0oo) edited a custom field.
KiJeon (0o00o0oo) added a subscriber: KiJeon (0o00o0oo).
Bastien Montagne (mont29) lowered the priority of this task from 90 to 30.Oct 21 2014, 8:35 AM
Bastien Montagne (mont29) added a subscriber: Bastien Montagne (mont29).

I assume you are using Cycles? And does it still happens with the workaround proposed for T42319?

KiJeon (0o00o0oo) added a comment.Oct 21 2014, 8:57 AM

Yes, Cycles, probably should've specified that, haha.

And, like T42319, the workaround solved this problem, too. This solves a lot of headache, so, again, thank you, and keep up the great work!

Bastien Montagne (mont29) changed the task status from Unknown Status to Unknown Status.Oct 21 2014, 10:18 AM
Bastien Montagne (mont29) claimed this task.

Oki, cool, can close then. :)