I have many piston doors in my world and some of them use stone pressure plates, I have tested these doors with wooden pressure plates and they work but when I try it with stone pressure plates the redstone doesn't activate.
Environment
AMD Phenom II X4
Sapphire HD7950 Vapor-x
8GB DDR3
Windows 7 64-bit
Duplicate of MC-13610, please use the search function to see if your bug has already been submitted. Currently over 54% of tickets are being closed as duplicate.