Forgot to say, I used cturtle release version under Ubuntu 10.10, installed using apt-get On Sun, Dec 19, 2010 at 6:05 PM, K Chen wrote: > Hi all: > I am new to ROS and still going through the tutorial, when I used > rxconsole and rxloggerlevel and did not close them until after I launched > the "mimic turtles", I used Ctrl C to end them respectively, but when I turn > to rxgraph window to see available node graph, they are still there with > error "Cannot communicate with ...". I tried rosnode kill and it displayed > "killed", but when using rosnode list to see present nodes, they are still > there, so does the rxgraph windows shows. > So I am asking whether this is normal that they cannot be killed, and > this won't cause anything unexpected ? > > Thanks for any help. > > -- > Regards > > University of Science and Technology of China > School of Computer Science and Technology > > K.Chen > -- Regards University of Science and Technology of China School of Computer Science and Technology K.Chen