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Blender crashes after playing animation button for particles system (Boids) #126434

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opened 2024-08-17 12:05:26 +02:00 by vladimir.n.bondarev · 4 comments
vladimir.n.bondarev commented 2024-08-17 12:05:26 +02:00
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System Information
Operating system: Windows-10-10.0.22631-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3060/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 551.86

Broken: version: 4.2.0, branch: blender-v4.2-release, commit date: 2024-07-16 06:20, hash: a51f293548ad
Broken: version: 3.3.20
Worked: (newest version of Blender that worked as expected)

While using Boid I tried to make one particles of the cube 1 to fight another ones of cube 2. Tried this few days ago while watching tutorial. It worked, the particles attacked each other. But today it crashes as soon as I press Play button.

Exact steps for others to reproduce the error

  • Created 2 cubes.
  • Set separate particles systems for both of them.
  • Set the physics type = Boids.
  • Set in Relations panel (Particles) for 1 cube the target (Cube 2). Chose mode "enemy"
  • Set bold brain as "fight"
  • Pressed 'play' button. Blender crashes.
**System Information** Operating system: Windows-10-10.0.22631-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 3060/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 551.86 Broken: version: 4.2.0, branch: blender-v4.2-release, commit date: 2024-07-16 06:20, hash: `a51f293548ad` Broken: version: 3.3.20 Worked: (newest version of Blender that worked as expected) While using Boid I tried to make one particles of the cube 1 to fight another ones of cube 2. Tried this few days ago while watching tutorial. It worked, the particles attacked each other. But today it crashes as soon as I press Play button. **Exact steps for others to reproduce the error** - Created 2 cubes. - Set separate particles systems for both of them. - Set the physics type = Boids. - Set in Relations panel (Particles) for 1 cube the target (Cube 2). Chose mode "enemy" - Set bold brain as "fight" - Pressed 'play' button. Blender crashes.
Particels tests.blend
897 KiB
vladimir.n.bondarev added the
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Type
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 labels 2024-08-17 12:05:26 +02:00
Alaska commented 2024-08-17 15:20:14 +02:00
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I can confirm the crash in belnder 4.1.1, 4.2.0, and 4.3.0.

Setting to high severity as this is a crash.

System Information
Operating system: Windows-10-10.0.22631-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 4090/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 556.12
Blender version: 4.3.0 Alpha, branch: main, commit date: 2024-08-14 20:36, hash: 717b8c08f313

I can confirm the crash in belnder 4.1.1, 4.2.0, and 4.3.0. Setting to high severity as this is a crash. **System Information** Operating system: Windows-10-10.0.22631-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 4090/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 556.12\ Blender version: 4.3.0 Alpha, branch: main, commit date: 2024-08-14 20:36, hash: `717b8c08f313`
Particels tests.crash.txt
67 KiB
Iliya Katushenock commented 2024-08-17 15:39:09 +02:00
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Might be duplicate of #126286.

Might be duplicate of #126286.
Alaska commented 2024-08-17 15:45:04 +02:00
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I don't think they're a duplicate as this issue has been around longer than #126286 (It's in 4.1.1).

And the crash occurs when trying to play a particle system, not when opening the file (I haven't looked at the code, but looking at the crash log and the file, my guess is it crashes because the boid particle system is setup to fight a non-existant (nullptr) boid particle system on another object)

I don't think they're a duplicate as this issue has been around longer than #126286 (It's in 4.1.1). And the crash occurs when trying to play a particle system, not when opening the file (I haven't looked at the code, but looking at the crash log and the file, my guess is it crashes because the boid particle system is setup to fight a non-existant (nullptr) boid particle system on another object)
Philipp Oeser commented 2024-08-19 12:17:12 +02:00
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This is because the "other" particle system is a non-boids system, getting health information fails in that case and crashes
Got a simple fix, will post shortly.

This is because the "other" particle system is a non-boids system, getting health information fails in that case and crashes Got a simple fix, will post shortly.
Philipp Oeser self-assigned this 2024-08-19 12:27:27 +02:00
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