Simple scene created in version 2.82 crashes Blender #77460

Closed
opened 3 years ago by ajlanaltug · 23 comments

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 760/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 445.87

Blender Version
Broken: version: 2.83.0, branch: master, commit date: 2020-06-03 14:38, hash: 211b6c29f7
Worked: 2.82

Just open the included scene file which contains nothing but shaded objects with modifiers and Blender will crash

CHESS_PROPS_FINAL_01.blend

**System Information** Operating system: Windows-10-10.0.18362-SP0 64 Bits Graphics card: GeForce GTX 760/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 445.87 **Blender Version** Broken: version: 2.83.0, branch: master, commit date: 2020-06-03 14:38, hash: `211b6c29f7` Worked: 2.82 Just open the included scene file which contains nothing but shaded objects with modifiers and Blender will crash [CHESS_PROPS_FINAL_01.blend](https://archive.blender.org/developer/F8580067/CHESS_PROPS_FINAL_01.blend)
Poster

Added subscriber: @ajlanaltug

Added subscriber: @ajlanaltug
Owner

#77894 was marked as duplicate of this issue

#77894 was marked as duplicate of this issue
Owner

#77595 was marked as duplicate of this issue

#77595 was marked as duplicate of this issue
Owner

#77557 was marked as duplicate of this issue

#77557 was marked as duplicate of this issue
ankitm changed title from Simple scene created in version 2.82 crashes Blender???!!!! to Simple scene created in version 2.82 crashes Blender 3 years ago
Alaska commented 3 years ago

Added subscriber: @Alaska

Added subscriber: @Alaska
Alaska commented 3 years ago

Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Alaska commented 3 years ago

Opening the file in 2.82a shows a dependency cycle:

Dependency cycle detected:
  OBLAMP/Transform Component/TRANSFORM_FINAL() depends on
  OBLAMP/Transform Component/TRANSFORM_FINAL() via 'Dupligroup'
Dependency cycle detected:
  OBCHAIR.001/Transform Component/TRANSFORM_FINAL() depends on
  OBCHAIR.001/Transform Component/TRANSFORM_FINAL() via 'Dupligroup'

I suspect Blender 2.83 is crashing because of this. @ajlanaltug try to remove these dependency cycles from the 2.82a file, save it, then re-open in Blender 2.83.

In the meantime, I'm marking this as "confirmed" as I consider this a regression.

Opening the file in 2.82a shows a dependency cycle: ``` Dependency cycle detected: OBLAMP/Transform Component/TRANSFORM_FINAL() depends on OBLAMP/Transform Component/TRANSFORM_FINAL() via 'Dupligroup' Dependency cycle detected: OBCHAIR.001/Transform Component/TRANSFORM_FINAL() depends on OBCHAIR.001/Transform Component/TRANSFORM_FINAL() via 'Dupligroup' ``` I suspect Blender 2.83 is crashing because of this. @ajlanaltug try to remove these dependency cycles from the 2.82a file, save it, then re-open in Blender 2.83. In the meantime, I'm marking this as "confirmed" as I consider this a regression.
Poster

Ok will do. Thank you. Just a quick note though; what I did in that scene was just to create collection instances and transform them. I redid the whole thing from scratch in 2.83, saved it and it opens just fine.

Ok will do. Thank you. Just a quick note though; what I did in that scene was just to create collection instances and transform them. I redid the whole thing from scratch in 2.83, saved it and it opens just fine.
mont29 commented 3 years ago
Owner

Added subscriber: @mont29

Added subscriber: @mont29
mont29 commented 3 years ago
Owner

Changed status from 'Confirmed' to: 'Needs User Info'

Changed status from 'Confirmed' to: 'Needs User Info'
mont29 commented 3 years ago
Owner

The issue here is that the CHAIR collection contains the CHAIR.001 object, which instantiate the CHAIR collection... making depsgraph building loop forever.

Not sure we are supposed to handle that situation, this is not allowed ever, so real bug here is that you managed to create such a broken relationship. We need to know how you did it?

The issue here is that the `CHAIR` collection contains the `CHAIR.001` object, which instantiate the `CHAIR` collection... making depsgraph building loop forever. Not sure we are supposed to handle that situation, this is not allowed ever, so real bug here is that you managed to create such a broken relationship. We need to know how you did it?
mont29 commented 3 years ago
Owner

Added subscribers: @rpopovici, @Zuorion-4, @ideasman42

Added subscribers: @rpopovici, @Zuorion-4, @ideasman42
mont29 self-assigned this 3 years ago
mont29 commented 3 years ago
Owner

Changed status from 'Needs User Info' to: 'Confirmed'

Changed status from 'Needs User Info' to: 'Confirmed'
mont29 commented 3 years ago
Owner

#77595 actually is giving easy way to reproduce such situation. This is a fairly critical bug in fact.

#77595 actually is giving easy way to reproduce such situation. This is a fairly critical bug in fact.
Owner

This issue was referenced by b894480d68

This issue was referenced by b894480d68b2589115e62434aeb86f05b73b2414
Owner

This issue was referenced by 517f32045c

This issue was referenced by 517f32045c282f1031299268ad0ebfa8f934bd1a
Owner

This issue was referenced by 89bde99674

This issue was referenced by 89bde99674b50ad313f6b7d459f8293c4993ba06
Owner

This issue was referenced by e936269304

This issue was referenced by e9362693042e199cb5ac566c6152d166cf45680f
Owner

This issue was referenced by 293b00beb5

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Owner

This issue was referenced by eaff606f2d

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mont29 commented 3 years ago
Owner

Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
mont29 closed this issue 3 years ago
mont29 commented 3 years ago
Owner

Added subscribers: @lucasfalcao3d, @lichtwerk

Added subscribers: @lucasfalcao3d, @lichtwerk
Owner

This issue was referenced by 8289fc688b

This issue was referenced by 8289fc688b3eb5bc5b1f641e4b51d32d9daf8a71
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Reference: blender/blender#77460
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