**System Information**
Operating system and graphics card
**Blender Version**
Broken: (example: 2.77a abf6f08, see splash screen)
Worked: (optional)
**Short description of error**
If you use Light Falloff in emission shaders then they won't bake.
**Exact steps for others to reproduce the error**
Based on a (as simple as possible) attached .blend file with minimum amount of steps
Look at screenshot, I think they tell everything.
{F304544}
{F304545}