Operating system: Win 10 64-bit Home Edition
Graphics card: AMD ASUS R9 390X 8GB, latest drivers
Broken: 2.78 9d873fc
Short description of error
Rendering volume scatter with GPU OpenCL comes to an halt after a few tiles. It just stops to render but the GPU Usage hovers about 50%-60% when it stops to render.
Exact steps for others to reproduce the error
Use the BMW27.blend file from benchmark. Add a large cube that engulfs the whole scene and add a volume scatter shader in Volume. Use OpenCL GPU. Press F12. Blend updated for testing.