It says Press X to activate pillar.. I sit and press X.. nothing happens to any pillars like they do in this video at 14:28 http://www.youtube.com/watch?v=ndcd2V3vkv8&feature=relmfu
If you mean the puzzle pillars, this has happened to me on a few occasions. Either exit and then re-enter the dungeon or save and then quit to menu, when you go back it should be fixed.