Rendering animation using "Generate" type modifiers after animated displacement texture crashes Blender #83614
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Reference: blender/blender#83614
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System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.79
Blender Version
Broken: version: 2.92.0 Alpha, branch: master, commit date: 2020-12-09 01:29, hash:
9b11a7776f
Worked: 2.83.10
Short description of error
If 2 high poly (~100k faces per obj) objects in modifiers properties have after Displacement modifier (with animated texture) "Generate" type modifiers (I've tried Boolean and Decimate), Blender cant run Animation render (but still can run Image render).
Crash happens on 2.9 and higher. I've tested this on 2.83.10 LTS (from steam) and everything worked fine there.
Crashes with Decimate a little bit hard to recreate. So I will go with steps for "Boolean crash"
Exact steps for others to reproduce the error
bug.blend
bug.crash.txt
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
Added subscriber: @Macilvoy
Added subscriber: @rjg
Changed status from 'Needs Triage' to: 'Confirmed'
I can reproduce an issue in a debug build based on
rb3a23f18e02eb
ande795ba1529
even when rendering a still image, when creating a project based on your instructions.#83614.blend
Your debug log seems to be missing debug symbols. Could you please repeat your test with an official non-Steam build , just to make sure that we're finding the same issue.
The stack trace in my previous comment is from a file created with your instructions. This file does not seem to crash in Blender 2.91.0. However, the file you've uploaded crashes in 2.91.0 for still and animation renders on my machine. The crash with that file seems to happen in the Nvidia driver though, like your log file indicates as well.
Changed status from 'Confirmed' to: 'Needs User Info'
This seems like I might have found an unrelated problem in my first stack trace. Debugging your file with a Linux build and ASAN, detects a use-after-free.
Note: This was tested in a VM, I'll try this again on my laptop to rule out a fluke due to graphics driver issues.
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
Shadow gap: cc
Changed status from 'Needs User Info' to: 'Confirmed'
I've created a separate ticket for the Boolean modifier assert #83630.
Thank You! Sorry that I'm late to provide info. I just woke up. #83630 was resolved so I guess no logs are needed now.
@Macilvoy No worries. I originally meant the log files for this ticket, but as I was able to catch the issue with ASAN, this should be all that we need.