**System Information**
win 7, 32gb, NVIDIA Quadro K5000
**Blender Version**
Broken: 2.73a bbf09d9
**Short description of error**
Blender freezes **during rendering process**, if I add 2 subsurf modifiers and 1 displacement modifier on top of a simple geometry. **Viewport Cycles Preview** also freezes shortly, but blender come back 1-2 minutes later - works as expected.
Viewport preview
{F147903}
Render
{F147902}
1. Add 2-3 Subsurf modifiers to a plane
2. Add a Displace modifier, set it to uv and added a texture to the slot
3. Create a cycles material
blend file: http://www.pasteall.org/blend/34868