Mantaflow + Cycles timeline scrubbing crash #74329

Closed
opened 2020-03-01 01:56:27 +01:00 by Ghost · 10 comments

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.50

Blender Version
Broken: version: 2.83 (sub 5), branch: master, commit date: 2020-02-28 16:45, hash: 85f980c517
Worked: (optional)

Short description of error
When simulating mantaflow gas and using cycles preview, Blender instantly crashes when I try to scrub through the timeline. Bug happens on two separate computers (geforce 970, also windows 10) on factory defaults. On both CPU and GPU preview. The crash doesn't happen when there's no material assigned or it's anything other than principled volume.

cycles scrubbing crash.mp4

Exact steps for others to reproduce the error

  1. Set up a basic smoke simulation
  2. Set the material to principled volume
  3. Preview it in cycles
  4. Try scrubbing through timeline
**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.50 **Blender Version** Broken: version: 2.83 (sub 5), branch: master, commit date: 2020-02-28 16:45, hash: `85f980c517` Worked: (optional) **Short description of error** When simulating mantaflow gas and using cycles preview, Blender instantly crashes when I try to scrub through the timeline. Bug happens on two separate computers (geforce 970, also windows 10) on factory defaults. On both CPU and GPU preview. The crash doesn't happen when there's no material assigned or it's anything other than principled volume. [cycles scrubbing crash.mp4](https://archive.blender.org/developer/F8380918/cycles_scrubbing_crash.mp4) **Exact steps for others to reproduce the error** 1. Set up a basic smoke simulation 2. Set the material to principled volume 3. Preview it in cycles 4. Try scrubbing through timeline
Author

Added subscriber: @dabuxian

Added subscriber: @dabuxian
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Added subscriber: @ankitm

Added subscriber: @ankitm
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Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'
Member

Please add the blend file too

Please add the blend file too
Author

of course you have to bake the simulation first to make it crashable

mantaflow_crash.blend

of course you have to bake the simulation first to make it crashable [mantaflow_crash.blend](https://archive.blender.org/developer/F8381457/mantaflow_crash.blend)
Member

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

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

Assertion failed: (i < datasize_), function operator- [ ], file intern/cycles/render/../util/util_array.h, line 212.
It won't crash if you play the animation for even 1 or 2 seconds, before scrubbing.

`Assertion failed: (i < datasize_), function operator- [ ], file intern/cycles/render/../util/util_array.h, line 212.` It won't crash if you play the animation for even 1 or 2 seconds, before scrubbing.

Added subscriber: @brecht

Added subscriber: @brecht

@ankitm when you confirm a bug report, make sure it always has the relevant module project assigned.

@ankitm when you confirm a bug report, make sure it always has the relevant module project assigned.

Closed as duplicate of #73626

Closed as duplicate of #73626
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Reference: blender/blender#74329
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