That's ... strange. I wonder if we have two processes trying to read from the console. The next time this happens can you run lsof and ps aux (lsof will probably produce quite a lot of output) before you control d anything?
That's ... strange. I wonder if we have two processes trying to read from the console. The next time this happens can you run lsof and ps aux (lsof will probably produce quite a lot of output) before you control d anything?