SMP5, in town, exact coords -406, 4, 708 Building a crop planting/harvesting system the sticky pistons keep sticking in the on position. removing them and replacing them only gets them to reset once. Checked many times for possible interference, no other redstone anywhere nearby. Completely rebuilt the mechanism several times. I believe my residence / that chunk may be bugged. Please will a staff member come fix?
If you are using 1.8 there is a known 1.8 client bug relating to seeing pistons as you describe. Downgrade to 1.7.10 client or just be patient with it until Mojang fixes it.