Comparator Loop Crash
If you put a block (Used Redstone lamps at first) and comparators in the configuration of the picture (an infinite loop), then put a repeater or comparator on any side of any block, the game will crash.
If you put a block (Used Redstone lamps at first) and comparators in the configuration of the picture (an infinite loop), then put a repeater or comparator on any side of any block, the game will crash.