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Black / Empty AOVs
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System Information
Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 436.48

Blender Version
Broken: version: 2.81 (sub 15), branch: master, commit date: 2019-10-18 14:41, hash: rB970d7ed860f1
Worked: (optional)

Short description of error
Cycles just renders the combined pass, but will not create any of the AOVs (they will stay black).

Exact steps for others to reproduce the error
I think this is something that happens at a certain complexity of the scene relative to your gear. Maybe there isn't enough memory to store them, so they are being purged?
I will try to find a way to provoke this behaviour later, but as of right now, I have no clue when exactly this happens, nor what exactly is causing it - the only thing I know is that my projects at a certain point all adobt this behaviour - but when I let them render on a render farm it's fine. Sometimes even just restarting Blender helps



Event Timeline

ogierm (ogierm) added a project: Cycles.
Brecht Van Lommel (brecht) closed this task as Archived.Wed, Nov 6, 4:26 PM
Brecht Van Lommel (brecht) claimed this task.

We require a .blend file to reproduce the issue, without it we can't investigate reports.