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Stuck at "Initializing" when Cycles Viewport is paused.
Open, Needs Triage by DeveloperPublic


System Information
Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: Quadro K2100M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 411.98

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: rBf6cb5f54494e
Worked: (optional)

Short description of error
When Cycles viewport render is paused, and the display is switched to...say the solid mode, when swithcing back to rendered mode the viewport is stuck at "Initializing"
Perhaps a message saying "Render paused", would be more helpful for user feedback.

Exact steps for others to reproduce the error

  1. Run Blender, 2. Enable Cycles, 3. Switch viewport to rendered mode, 4. Pause render, 5. Switch viewport to other display mode (solid, wire etc) 6. switch back to rendered mode, 7. Viewport feedback is stuck at "Initializing"

[Based on the default startup or an attached .blend file (as simple as possible)]