System Information
Arch Linux - Intel HD Graphics 4000 - Nvidia GeForce 610m
Blender Version
Broken: Blender 2.74 997c0c8
Worked: 2.73
Short description of error
Testing the new features, AO and DOF in blender, then switch to view > camera and moving around the render region the image freeze , and trying to move the frame it re draws or display the image inside the render region
Exact steps for others to reproduce the error
go to view > camera - Rotate camera view or move the render region with shift + scroll button