**System Information**
Windows 10 64bit
AMD Raedon HD 7980
**Blender Version**
Broken: Blender 2.7 rc1 c586e30 64bit
**Short description of error**
It can not reproduce in cycles render in GPU compute mode on an pc with AMD graphic card (AMD Raedon HD 7980) the volumetric light effect, through the volume scatter in world, by passing the rays on an object with a spot light; the same scene rendered on a pc with CPU Compute mode or an Nvidia card works
**Exact steps for others to reproduce the error**
Step1: Set Engine to Cycles Render
Step 2: Volume Scatter (Density 0.1) in World -> Volume
Step 3: Set Spot Light (Strength 10000.0) covering the object
{F235750}