System Information
Operating system: Darwin-17.2.0-x86_64-i386-64bit 64 Bits
Graphics card: NVIDIA GeForce GTX 1050 Ti OpenGL Engine NVIDIA Corporation 4.1 NVIDIA-10.27.6 378.10.10.10.20.109
Blender Version
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-07-15 20:44, hash: rBaf51988115d4
Worked: (optional)
Short description of error
The rock material is flickering on some machines but not all. It flickers in the viewport and the render.
(Tested on 2 machines - Flickering on Mac, not flickering on Linux)
Exact steps for others to reproduce the error
Open the attached file and pivot around the viewport or scrub the timeline to see the material randomly flicker.
(see attached video and file)