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Colored noise caused by Principled SSS, radius 0 and branched pathtracing
Closed, ResolvedPublic


System Information
Windows 10 64
Intel i5 6400

Blender Version
Broken: blender-2.78-9cd6b03-win64

Short description of error

Using the subsurface on Principled BSDF shader, the first few samples cause colored noise, only if the radius are 0 and branched pathtracing is used. See attached image. It eventually converges after some samples but I guess is worth reporting just in case.

Exact steps for others to reproduce the error
Add a Principled BSDF shader, turn Subsurface to 1, turn all sss radius to 0, change integrator to Branched path tracing

Or open the attached .blend file