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Maniphest T39523

Animated objects don't render
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Description

System Information
Windows 7 64 bit
Nvidia Geforce GTX 560 TI

Blender Version
Broken: b99977a
Worked: Blender 2,7 official.

Short description of error
When worked: http://blenderartists.org/forum/attachment.php?attachmentid=299396&d=1396213617
Now: http://blenderartists.org/forum/attachment.php?attachmentid=299397&d=1396213634
Since the new motion blur features, blender does not render any animated objects.
Turning off motion blur globally makes everything render just fine, just no motion blur.
Turning off motion blur per object gets that object back into the render.
I noticed that the contents in the "Motion blur" panel, "object" tab, are greyed out whether motion blur is on or off.
I uploaded my main work file. I don't know how to reproduce this error with a new file.
I just removed the cloth sim, because the file was to big.
Good luck ant patience ;)

Exact steps for others to reproduce the error
Press F12 and see missing objects in the attached .blend file

You_can_t_stop_me_STRAPPED_DOWN.blend1 MBDownload
.

Revisions and Commits

rB Blender
rB7ed9d1b402c5 Fix T39523: cycles cache BVH not working correct with deformation motion blur.
rBe05d35bfaffe Fix T39510, Fix T39523: camera motion blur not working correct after recent…
rBAC Blender Add-ons Contrib
rBAC7ed9d1b402c5 Fix T39523: cycles cache BVH not working correct with deformation motion blur.
rBACe05d35bfaffe Fix T39510, Fix T39523: camera motion blur not working correct after recent…

Event Timeline

Paulius Mscichauskas (freemind) created this task.Mar 31 2014, 12:25 AM
Paulius Mscichauskas (freemind) assigned this task to Brecht Van Lommel (brecht).
Paulius Mscichauskas (freemind) raised the priority of this task from to 90.
Paulius Mscichauskas (freemind) updated the task description. (Show Details)
Paulius Mscichauskas (freemind) added a project: BF Blender.
Paulius Mscichauskas (freemind) edited a custom field.
Paulius Mscichauskas (freemind) added a subscriber: Paulius Mscichauskas (freemind).
Thomas Dinges (dingto) lowered the priority of this task from 90 to Normal.Mar 31 2014, 2:06 AM
Thomas Dinges (dingto) added a subscriber: Thomas Dinges (dingto).

I cannot confirm the bug, neither on CPU nor GPU (Geforce 540M). Windows 7 x64, b99977a

Thomas Dinges (dingto) added a project: Cycles.Mar 31 2014, 2:06 AM
Willi (willi) added a subscriber: Willi (willi).Mar 31 2014, 2:48 AM

2.70 official:

Latest build (f5b79df):

Brecht Van Lommel (brecht) edited this Maniphest Task.Mar 31 2014, 1:44 PM
Brecht Van Lommel (brecht) changed the task status from Unknown Status to Resolved.Mar 31 2014, 1:44 PM

Closed by commit rBe05d35bfaffe.

Paulius Mscichauskas (freemind) changed the task status from Resolved to Unknown Status.Apr 1 2014, 8:57 AM

The problem is still there!

This is the result the renderer gives in 2c00ecc on both GPU and CPU.

Paulius Mscichauskas (freemind) added a comment.EditedApr 2 2014, 4:09 PM

Here's some new info!
Turning off renderability on modifiers get objects back in the render!

Paulius Mscichauskas (freemind) added a comment.EditedApr 2 2014, 4:41 PM

Aha! I found the problem!
In the performance settings, Render tab, "Cache BVH" was checked. Apparently the cached BVH was not compatible with the changes and blender got all confused. Better do something that would make other users avoid this confusion.

EDIT: Checking "Cache BVH" with "Use Spatial Splits" makes things not render. Unchecking either one makes all things render..... I am confused.

Brecht Van Lommel (brecht) added a comment.Apr 2 2014, 5:09 PM

Ah, thanks for finding that, that's easy to fix then.

Brecht Van Lommel (brecht) edited this Maniphest Task.Apr 2 2014, 8:51 PM
Brecht Van Lommel (brecht) changed the task status from Unknown Status to Resolved.Apr 2 2014, 8:51 PM

Closed by commit rB7ed9d1b402c5.

Brecht Van Lommel (brecht) edited this Maniphest Task.May 12 2014, 4:46 PM
Brecht Van Lommel (brecht) edited this Maniphest Task.