Persistent data: Particles/Hair don't render #88093
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Reference: blender/blender#88093
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System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce RTX 2070 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 462.31
Blender Version
Broken: version: 2.93.0 Beta, branch: master, commit date: 2021-05-05 16:40, hash:
a1a9f8e6c3Caused by
50782df425Short description of error
With enabled "Persistent data" hair particles are rendered only in the first frame.
I tested it on two other computers (one with no graphics card, one with two GTX 980 - both are running Windows 8) and it worked as expected.
But it doesn't work on my computer whether it's being rendered on the GPU or the CPU.
I deleted the preference folder to start blender from scratch - same result.
Aditional info: the machine is running 32 GByte of RAM. Everything else works like a charm in Blender.
Edit: It does not work with Geometry Nodes as well.
Exact steps for others to reproduce the error
See the attached video and blender files. It's just a simple plane with an hair particle system. No physics, no animation.
persistent_data.blend
2021-05-07 06-48-31.mp4
Added subscriber: @Totalkaputt
#88203 was marked as duplicate of this issue
Added subscriber: @lichtwerk
Changed status from 'Needs Triage' to: 'Confirmed'
Can confirm.
Some update on this topic:
Persistent data seems to store the particle data after turning on "Hair Dynamics".
All Hair Dynamic settings are default btw.
See the attached video.
2021-05-07 15-21-32.mp4
This issue was referenced by
0830458bccPersistent data: Hair doesn't renderto Persistent data: Particles/Hair don't renderAdded subscriber: @volto
Bug still present in the 7th May build
Changed status from 'Confirmed' to: 'Resolved'