Geforce GTX 960
Broken: (example: 2.77 RC2)
Short description of error
Baking Diffuse and Glossy channels we get weird results when your color need to use the float precision.
Baking with color (1,0,0) in Diffuse BSDF Node:
Baking with color (1,0.1,.01) in Diffuse BSDF Node:
That bug seams to happen too with the Glossy pass using Glossy BSDF Node.
Exact steps for others to reproduce the error
Change the current active node conected to the output
Change the pass that you want to bake.
Check the results