[MC-3284] Redstone repeaters "freezes" and stop repeating the signal

I use redstone repeaters to create a delay on the signal of a redstone clock, but for some reason isn't unusual that the repeaters stop repeating.

Linked issues

I've also ran in this Problem and this is very bad, because it breaks most redstone circuits and maps.

MisterSanderson 2012-11-22T18:20:39Z

Redstone maps?

Is it happening right infront of your eyes or only after reloading chunks?

MisterSanderson 2012-12-27T13:13:02Z

After reloading the chunks. I go away to chop wood or close the game, and when I return it's frozen.

Confirmed.

Duplicate of MC-711.