Regression: Blender crashes when turning on a pass that has equally named AOV pass already #111166

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opened 2023-08-16 09:34:49 +02:00 by Omar · 4 comments

Omar commented

2023-08-16 09:34:49 +02:00

System Information
Operating system: Linux-5.19.0-43-generic-x86_64-with-glibc2.35 64 Bits, X11 UI
Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 515.105.01

Blender Version
Broken: version: 3.6.1, branch: blender-v3.6-release, commit date: 2023-07-17 12:50, hash: 8bda729ef4dc
Broken: 3.1
Worked: 3.0

Issues started with fdc4a1a590.

Short description of error
Blender crashes when turning on a pass that has equally named AOV pass already.

Exact steps for others to reproduce the error

open 111166.blend (two AOVs here called foo and bar)
at this stage, any pass can be enabled
rename foo to AO
(reconnect AO to the Mix node -- this step is not needed to cause the crash in current main, but in 3.1)
enable the AO pass in View Layer passes
crash

Orginal report

Open 3745321_autosave.blend.
Turn on Ambient Occlusion in the passes.
Blender crashes.

**System Information** Operating system: Linux-5.19.0-43-generic-x86_64-with-glibc2.35 64 Bits, X11 UI Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 515.105.01 **Blender Version** Broken: version: 3.6.1, branch: blender-v3.6-release, commit date: 2023-07-17 12:50, hash: `8bda729ef4dc` Broken: 3.1 Worked: 3.0 Issues started with fdc4a1a590d8befb1ff9ab1de3f02d82aa46d539. **Short description of error** Blender crashes when turning on a pass that has equally named AOV pass already. **Exact steps for others to reproduce the error** - open `111166.blend` (two AOVs here called `foo` and `bar`) - at this stage, any pass can be enabled - rename `foo` to `AO` - (reconnect AO to the Mix node -- this step is not needed to cause the crash in current main, but in 3.1) - enable the AO pass in View Layer passes - crash **Orginal report** - Open `3745321_autosave.blend`. - Turn on Ambient Occlusion in the passes. - Blender crashes.

3745321_autosave.blend

1.1 MiB

111166.blend

868 KiB

Omar added the

labels 2023-08-16 09:34:50 +02:00

YimingWu commented

2023-08-16 10:41:31 +02:00

Member

Can confirm. 3.6.1 and 4.0 both crashes.

Crashed at source/blender/blenkernel/intern/node.cc line 174, inside ntree_copy_data, was called from DEG_evaluate_on_refresh in scene_graph_update_tagged.

Can confirm. 3.6.1 and 4.0 both crashes. Crashed at `source/blender/blenkernel/intern/node.cc` line 174, inside `ntree_copy_data`, was called from `DEG_evaluate_on_refresh` in `scene_graph_update_tagged`.

YimingWu added

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and removed

labels 2023-08-16 10:41:57 +02:00

YimingWu added the

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label 2023-08-16 10:44:57 +02:00

Philipp Oeser commented

2023-08-16 11:52:33 +02:00

Member

This is caused by AOVs having the same name as an existing pass (could happen with other passes, too, not just AO).

Here is a simpler case:

open .blend (two AOVs here called foo and bar)
at this stage, any pass can be enabled
rename foo to AO
(reconnect AO to the Mix node -- this step is not needed to cause the crash in current main, but in 3.1)
enable the AO pass in View Layer passes
crash

Will check on this.

This is caused by AOVs having the same name as an existing pass (could happen with other passes, too, not just AO). Here is a simpler case: - open .blend (two AOVs here called `foo` and `bar`) - at this stage, any pass can be enabled - rename `foo` to `AO` - (reconnect AO to the Mix node -- this step is not needed to cause the crash in current main, but in 3.1) - enable the AO pass in View Layer passes - crash Will check on this.

111166.blend

868 KiB

Philipp Oeser commented

2023-08-16 12:55:41 +02:00

Member

Issues started with fdc4a1a590.
(might have gotten worse since, since now you dont even have to reconnect the AOV -- see repro steps)

CC @HooglyBoogly
CC @JacquesLucke

Issues started with fdc4a1a590d8befb1ff9ab1de3f02d82aa46d539. (might have gotten worse since, since now you dont even have to reconnect the AOV -- see repro steps) CC @HooglyBoogly CC @JacquesLucke

Philipp Oeser changed title from ~~Blender Crashes When Turning On Ambient Occlusion Pass~~ to Blender crashes when turning on a pass that has equally named AOV pass already

2023-08-16 12:58:25 +02:00

Philipp Oeser added

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labels 2023-08-16 13:00:12 +02:00

Philipp Oeser changed title from ~~Blender crashes when turning on a pass that has equally named AOV pass already~~ to Regression: Blender crashes when turning on a pass that has equally named AOV pass already

2023-08-16 13:00:26 +02:00

Philipp Oeser added the

Render & Cycles

label 2023-08-16 13:00:34 +02:00

Iliya Katushenock added

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labels 2023-08-16 13:33:44 +02:00

Iliya Katushenock self-assigned this 2023-08-16 13:33:48 +02:00

Iliya Katushenock added

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labels 2023-08-16 13:33:54 +02:00

Iliya Katushenock added this to the 3.6 LTS milestone 2023-08-16 13:33:59 +02:00

Iliya Katushenock removed their assignment 2023-08-16 13:37:04 +02:00

Iliya Katushenock commented

2023-08-16 13:37:28 +02:00

Member

The best fix would be to make the fix part of #108728

The best fix would be to make the fix part of https://projects.blender.org/blender/blender/issues/108728

Jacques Lucke referenced this issue from a commit

2023-09-14 11:31:42 +02:00

Fix #111166: crash when enabling render pass with equally named AOV

Jacques Lucke closed this issue

2023-09-14 11:31:43 +02:00

Blender Bot added

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labels 2023-09-14 11:31:46 +02:00

Jacques Lucke referenced this issue

2023-09-14 11:32:33 +02:00

Blender LTS: Maintenance Task 3.6 #109399

Philipp Oeser referenced this issue from a commit

2023-09-14 14:10:42 +02:00

Fix #111166: crash when enabling render pass with equally named AOV

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