**System Information**
Win7 64 BIT, 780GTX
**Blender Version**
Broken: 2.72a Hash:73f5a41
Blenders fluid-simulation ignores rigidbody-simulations.
**Exact steps for others to reproduce the error**
I have a cube as active rigidbody that falls into the fluids. When baking the fluidsimulation there is no collision with rigidbodies.
Try baking the RigidSim, and then bake the fluid-domain.
Greets,
Dennis{F120536}