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Maniphest T44541

Blender crashes when outputting large images
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Description

System Information
Windows 7 x64 gtx580
Amazon EC2 - c4.8xlarge: 60 GiB of memory, 36 vCPUs, 64-bit platform

Blender Version
Broken: 4288ab1

Short description of error
When dealing with large images, blender crashes at saving out

Exact steps for others to reproduce the error

  1. Open attached blend file
  2. Press f12
  3. crash

We are after a ~42000x21000 image (A0 300DPI). 60GB of ram should be able to handle it...

largeexportbug.blend492 KBDownload
.

Revisions and Commits

rB Blender
rB290997538590 Fix T44541 aka gigapixel image render support in blender.

Event Timeline

Carlo Andreacchio (candreacchio) created this task.Apr 29 2015, 3:41 AM
Carlo Andreacchio (candreacchio) raised the priority of this task from to 90.
Carlo Andreacchio (candreacchio) updated the task description. (Show Details)
Carlo Andreacchio (candreacchio) added projects: BF Blender, Images & Movies.
Carlo Andreacchio (candreacchio) edited a custom field.
Carlo Andreacchio (candreacchio) added a subscriber: Carlo Andreacchio (candreacchio).
Antonis Ryakiotakis (psy-fi) added a subscriber: Antonis Ryakiotakis (psy-fi).Apr 29 2015, 11:55 AM

Hm. The problem is, -we- don't have this kind of machine here...can you send us your machine over for bug testing? We'll be sure to return it when it's over ;)...Just kidding, but honestly I really don't know if we can debug this.

Carlo Andreacchio (candreacchio) added a comment.EditedApr 29 2015, 11:56 AM

I would be willing to pay for a ec2 server and give you guys SSH access if you want?

Ton Roosendaal (ton) added a subscriber: Ton Roosendaal (ton).Apr 29 2015, 12:22 PM

We (and Antonis) have a 64 GB system here for testing.
Interesting bug (even though the resolution is insane!)

Antonis Ryakiotakis (psy-fi) added a comment.Apr 29 2015, 12:33 PM

Turns out we do have such a beast here, we'll see if we can make it work.

Carlo Andreacchio (candreacchio) added a comment.Apr 29 2015, 1:13 PM

Cheers for the look in... I know it is kind of ridiculous!!!

Bastien Montagne (mont29) lowered the priority of this task from 90 to Normal.Apr 29 2015, 2:00 PM
Antonis Ryakiotakis (psy-fi) added a comment.Apr 29 2015, 10:06 PM

So!

That was fun...managed to make blender spew the file, but I can't confirm if the file is really correct since programs here can't open it. Will to see if there's some way to do it tomorrow.

In the mean time you might want to test the patch which is here:

size_support_2.patch16 KBDownload

Zauber Paracelsus (zauberexonar) added a subscriber: Zauber Paracelsus (zauberexonar).Apr 29 2015, 11:01 PM

No programs will open it? If it won't open even in blender, that could be an additional problem for Carlo.

Carlo Andreacchio (candreacchio) added a comment.Apr 30 2015, 12:32 AM

Thanks for the patch psy-fi! I am not sure if I will be able to test it today or tomorrow, but I should have some time this weekend.

As for opening the files, I have found that the best viewer for these large images is irfanview, however it is only for windows. GIMP (under windows) also handles them but a 42x21k image requires about 10gb of ram.

Antonis Ryakiotakis (psy-fi) changed the task status from Unknown Status to Resolved.Apr 30 2015, 12:11 PM
Antonis Ryakiotakis (psy-fi) added a commit: rB290997538590: Fix T44541 aka gigapixel image render support in blender..

Closed by commit rB290997538590.