Hi, Check your routes in both PCs, esp. in the ubuntu one. Try pinging one from the other to see if it works, using the same names that you use in the mpdcheck line. -- Diego. On Sunday 17 September 2006 06:09, ying xu wrote: > Hello: > I installed mpich2 on a ubuntu 6.06 machine, then share the install > directory with a FC5 machine by using NFS. These two machines were > connected to each other directly by a cable. The ubuntu machine is > connected to a router which connects to internet. > > My problem is that "when I 'mpdcheck -s' on ubuntu machine, "mpdcheck > -c ubuntu-machine port " on FC5 succeed. But I can't do it reversely. I > mean "when I 'mpdcheck -s' on FC5 machine, "mpdcheck -c fc5 port" failed > with the following error: > --------------------------------------------------------------------------- >----------------- Traceback (most recent call last): > File "/home/xuying/mpich2-install/bin/mpdcheck", line 103, in ? > sock.connect((argv[argidx+1],int(argv[argidx+2]))) # note double parens > File "<string>", line 1, in connect > socket.error: (113, 'No route to host') > --------------------------------------------------------------------------- >----------------- > > please help! > > --------------------------------------------------------------------------- >------------------ > > > > > > --------------------------------- > All-new Yahoo! Mail - Fire up a more powerful email and get things done > faster.