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VSE: Cycles displayed as Rendered in Scene strip makes Blender hang - and other Scene strip bugs
Confirmed, NormalPublic

Description

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 462.59

Blender Version
Broken: version: 2.93.0, branch: master, commit date: 2021-06-02 11:21, hash: rB84da05a8b806
Worked: (newest version of Blender that worked as expected)

Short description of error
The Render modes of Scene Strips are either missing or broken:

  • When Cycles is set as render and Rendered set as display, it'll make Blender hang.
  • Wireframe and Rendered doesn't work with any Render.
  • The only thing working is Eevee with either solid or Material Preview.
  • Workbench and Cycles settings seems to just use the Eevee render, since these are producing the same results in Solid and Material Preview.

Test file:
Cycles is set up as render in the 3D Footage scene. In the Master Edit scene, switch display mode to Rendered. Blender will hang.
Try the various other display modes and renders(by changing the render in the 3D Footage scene), to see wireframe and rendered doesn't work with any render.

Event Timeline

Richard Antalik (ISS) changed the task status from Needs Triage to Confirmed.Jun 21 2021, 10:05 AM

Render time on that file with cycles is 45 minutes per frame, so I am not sure it really crashed.

I can confirm wireframe and eevee rendered not working.

When I disabled sequencer and compositor postprocessing it started working, so not sure what exactly was problem there.