On 2/6/2013 4:30 AM, Alie Tan wrote: > Hi, > > My RasPi hung when I execute man man, man ping, etc. > > Any idea how to debug or grab error msg for this case? > Does it happen on serial console, ov video console or in SSH session? I suggest open two kinds of sessions to check if it's really system problem or just one type of console lock up.