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Blender always crashes opening this file
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Description

System Information
Operating system: macOS 11.2.3 (20D91)
Graphics card: AMD Radeon Pro 5300 4 GB

Blender Version
Broken: (Version 2.92.0 (2.92.0 2021-02-25)
Worked: unknown - crashes with 2.91 also

Blender always crashes when opening this file.

I0416 09:06:58.282544 356691456 blender_python.cpp:194] Debug flags initialized to:
CPU flags:

AVX2       : True
AVX        : True
SSE4.1     : True
SSE3       : True
SSE2       : True
BVH layout : EMBREE
Split      : False

CUDA flags:

Adaptive Compile : False

OptiX flags:

CUDA streams : 1

OpenCL flags:

Device type    : ALL
Debug          : False
Memory limit   : 0

I0416 09:06:58.888439 356691456 device_opencl.cpp:52] CLEW initialization failed: Error opening the library
I0416 09:06:58.889757 356691456 device_cuda.cpp:56] CUEW initialization failed: Error opening the library
Switching to fully guarded memory allocator.
Blender 2.92.0
Build: 2021-02-25 09:27:51 Darwin Release
argv[0] = /Applications/Blender.app/Contents/MacOS/Blender
argv[1] = --debug
argv[2] = --debug-cycles
Read prefs: /Users/cliffspencer/Library/Application Support/Blender/2.92/config/userpref.blend
read file /Users/cliffspencer/Library/Application Support/Blender/2.92/config/startup.blend

Version 292 sub 15 date 2021-02-24 16:25 hash 02948a2cab44

Read blend: /Volumes/External 6TB Slot C/Blender Projects/Room2/Room.blend
read file /Volumes/External 6TB Slot C/Blender Projects/Room2/Room.blend

Version 292 sub 15 date 2021-02-24 16:25 hash 02948a2cab44

Writing: /var/folders/pd/rwfkmvs16gb96vcyhd54x0280000gn/T/Room.crash.txt
Writing: /var/folders/pd/rwfkmvs16gb96vcyhd54x0280000gn/T/Room.crash.txt
Writing: /var/folders/pd/rwfkmvs16gb96vcyhd54x0280000gn/T/Room.crash.txt
Writing: /var/folders/pd/rwfkmvs16gb96vcyhd54x0280000gn/T/Room.crash.txt
Writing: /var/folders/pd/rwfkmvs16gb96vcyhd54x0280000gn/T/Room.crash.txt
Writing: /var/folders/pd/rwfkmvs16gb96vcyhd54x0280000gn/T/Room.crash.txt

Event Timeline

Philipp Oeser (lichtwerk) changed the task status from Needs Triage to Needs Information from User.Mon, Apr 19, 9:25 AM

Please share this .blend file here so we have a chance to reproduce.

Sorry! I'm not clear on how to attach the file. It is on Dropbox here:
https://www.dropbox.com/preview/Blender/Room.blend.zip?role=personal

Dropbox requires a login...
Regarding uploading here: just drag and drop into the comment field.


Sorry - thought it was a public link. Here is the blender file.

Somehow a couple of meshes got corrupted

You can check by appending your scene into a blank file and run

import bpy
for obj in bpy.data.objects:
    if obj.type == "MESH" and obj.data is not None:
        if obj.data.validate():
            print(f"Error found: object {obj.name} had invalid mesh data!")
Error found: object Decorative_set_001.012 had invalid mesh data!
Error found: object Decorative_set_001.012 had invalid mesh data!

All other objects should append into a blank file without problems.

Now the question is: how did we get here?
We recently had a couple of reports of mesh corruption, see T86518: collapse at the moment of opening the file or T82353: Blender crashes and destroys my scene

Please check the other reports and try to remember what operations might have caused this.
Unfortunately unless there are clear instructions on how to reproduce it from scratch we cannot debug this any further.
Things that may cause mesh corruption: Importers, development versions of Blender, modeling tools.

Thank you for your time, Philipp. How would I run those commands? I'm a bit ignorant on this front.

Thank you for your time, Philipp. How would I run those commands? I'm a bit ignorant on this front.

Go to the scripting workspace, create a new Text, paste that code in and hit the Play button, this will print to the console (so you need to start blender from the console)