Newer file crashes at render on official 2.76b version. (both, CPU or GPU) #47377
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Reference: blender/blender#47377
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System Information
O.S.: Manjaro Linux, 64-bit
Processor: Intel Q9550, memory: 8GB DDR3
Graphic Card: Nvidia Geforce 550 Ti (two of them)
Nvidia graphics driver version: 352.63
Blender Version
Works: blender-2.76-b80c073-linux-glibc211-x86_64 (downloaded from Buildbot on feb-3-2016)
Fails: blender-2.76b-linux-glibc211-x86_64 (official 2.76b from Blender.org)
Short description of error
This same thing happened to me a month ago with another project I was working on: I modeled a building in a newer version of blender (downloaded from the Blender Buildbot), I sent the model to my client, who's using the official 2.76b version and it crashes on render immediately on 2.76b (I confirmed it), while in my newer version (and another from Jan-21) it renders fine.
Attached is the .blend scene.
CrashRender.blend
Changed status to: 'Open'
Added subscriber: @tuqueque
Added subscriber: @ThomasDinges
Confirmed the crash on Windows 7 x64 here.
This should not happen, but it's always possible that a blend file from a newer Blender causes issues in older ones. This so called forward compatibility is nice to have, but there is no guarantee that it works.
@Sergey Any opinion here?
@ThomasDinges
I know about some forward compatibilities issues that appear here and there sometimes, but as you pointed out, this should not happen, and I think this one is more a bug than anything, since the model in this scene is super simple, nothing fancy, no materials, nothing but the fairly simple model... Besides, the "problem" solves if I open a new, empty scene in 2.76b and append all objects from the newer file... So the problem might not be too hard to find/solve, I think. (I might be wrong, of course).
Added subscriber: @mont29
Confirmed on linux64 too, here is gdb backtrace:
Yes, surely forward compatibility should be preserved as much as possible. Unfortunately, we can't fix existing releases, but can prevent this from happening in the future. Will commit tweak in a bit,
Added subscriber: @brecht
Maybe we should rename the property from
filter_type
to e.g.pixel_filter_type
so it doesn't crash in older versions? If a lot of files created in 2.77 crash when rendering in 2.76 that would be pretty bad.This issue was referenced by
5a45ccaf3e
Changed status from 'Open' to: 'Resolved'
This issue was referenced by blender/cycles@ae66d069f0