NaN pixels rendered on the GlossDir pass. #100199
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Reference: blender/blender#100199
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System Information
Operating system: Windows-10-10.0.19042-SP0 64 Bits
Graphics card: Quadro RTX 4000/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 472.84
Blender Version
Broken: version: 3.2.1, branch: master, commit date: 2022-07-05 15:44, hash:
a2d59b2dac
Worked: (newest version of Blender that worked as expected)
Short description of error
Nan pixels are forming on the GlossDir pass for **'some'**frames in my animation.Exact steps for others to reproduce the error
GlossDir Pass
Geo Nodes Donut.blend
Clarifications had been received from @OmarEmaraDev from my previous bug report https://developer.blender.org/T100190 . He told me to create a new one with the correct issue statement.
Edit: Optix had been used for rendering.
Added subscribers: @OmarEmaraDev, @Asura_Sloth
Changed status from 'Needs Triage' to: 'Confirmed'
One should note that this can not be reproduced on CPU.
Added subscriber: @SteffenD
I cannot reproduce the NaN on this system:
Operating system: Linux-5.15.0-43-generic-x86_64-with-glibc2.31 64 Bits
Graphics card: NVIDIA GeForce RTX 2070 Super/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 515.65.01
Not with 3.2.2 official and not with my own compile of master. Tried Optix and CUDA.
Changed status from 'Confirmed' to: 'Needs User Info'
@Asura_Sloth Could you try latest master 3.4 or 3.3? Do you get the NaN pixel there? https://builder.blender.org/download/daily/
Oh, and maybe it would help to update your drivers. 472.84 is quite old, I had some trouble before with mismatching drivers / Optix version. Caused all kinds of strange render bugs.
So heres an update, I'm at home right and I'm testing the file on my personal rig using the latest Nvidia drivers.
System Information
Operating system: Windows-10-10.0.19042-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3050/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 516.59
Using 3.2.2
Blender Version
version: 3.2.2, branch: master, commit date: 2022-08-02 18:15, hash:
bcfdb14560
This version still gives me the NaN pixel on the same location.
Using 3.4.0 Alpha
Blender Version
version: 3.4.0 Alpha, branch: master, commit date: 2022-08-03 23:20, hash:
2083b9ae54
This version
does not
produce the NaN pixel.I have to go back to the office (in about 13 hrs) to update my assigned PC (Quadro RTX 4000) to the latest drivers and try to reproduce the bug on 3.2.2 & 3.4 to see if it persists. (I haven't updated the drivers cuz I need to call in the sysadmin to do so each time).
Since 3.2 is no longer receiving fixes, it would be best if you can test on 3.3 directly instead.
I have updated the nvidia driver for my office rig (quadro rtx 4000) and here are the results.
System Information
Operating system: Windows-10-10.0.19042-SP0 64 Bits
Graphics card: Quadro RTX 4000/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 516.94
Blender Version
version: 3.2.2, branch: master, commit date: 2022-08-02 18:15, hash:
bcfdb14560
The NaN pixel is still being formed (same location).
Blender Version
version: 3.3.0 Beta, branch: master, commit date: 2022-08-04 18:43, hash:
bae2ce0695
The Nan pixel does not form and is working as expected.
These results are inline with the testing on my personal rig (rtx 3050) and therefore the issue only occurs on the 3.2 versions but not from 3.3 onwards.
So, i guess the bug has been already been solved in the upcoming versions of blender. (The workaround for existing 3.2 users would be to render using cpu if possible).
Thank you for your replies and sorry if I had taken your time away from other pressing matters.
Regards.
Changed status from 'Needs User Info' to: 'Archived'