Linux Ubuntu Workstation Networks: Charmrun> error attaching to node '192.168.1.8': Timeout waiting for node-program to connect

From: Marisol Oswald (marisoloswald1988_at_gmail.com)
Date: Fri Dec 30 2016 - 18:51:28 CST

I am running namd on a 2 computer linux network. Following is the error
log, and my .nodelist file. Any help?

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Charmrun remote shell(192.168.1.8.2)> remote responding...
Charmrun remote shell(192.168.1.8.2)> starting node-program...
Charmrun remote shell(192.168.1.8.2)> remote shell phase successful.
Charmrun remote shell(192.168.1.12.0)> remote responding...
Charmrun remote shell(192.168.1.12.0)> starting node-program...
Charmrun remote shell(192.168.1.12.0)> remote shell phase successful.
Charmrun> scalable start enabled.
Charmrun> adding client 0: "192.168.1.12", IP:192.168.1.12
Charmrun> adding client 1: "192.168.1.12", IP:192.168.1.12
Charmrun> adding client 2: "192.168.1.8", IP:192.168.1.8
Charmrun> adding client 3: "192.168.1.8", IP:192.168.1.8
Charmrun> Charmrun = 192.168.1.12, port = 39355
start_nodes_ssh
Charmrun> Sending "0 192.168.1.12 39355 7481 0" to client 0.
Charmrun> find the node program "/home/user1/NAMD_2.12_Linux-x86_64-TCP/namd2"
at "/home/user1/NAMD_2.12_Linux-x86_64-TCP" for 0.
Charmrun> Starting ssh 192.168.1.12 -l user1 -o
KbdInteractiveAuthentication=no -o PasswordAuthentication=no -o
NoHostAuthenticationForLocalhost=yes /bin/bash -f
Charmrun> Sending "2 192.168.1.12 39355 7481 0" to client 2.
Charmrun> find the node program "/home/user1/NAMD_2.12_Linux-x86_64-TCP/namd2"
at "/home/user1/NAMD_2.12_Linux-x86_64-TCP" for 2.
Charmrun> Starting ssh 192.168.1.8 -l user1 -o KbdInteractiveAuthentication=no
-o PasswordAuthentication=no -o NoHostAuthenticationForLocalhost=yes
/bin/bash -f
Charmrun> Waiting for 0-th client to connect.
Charmrun> Waiting for 1-th client to connect.
Charmrun> client 0 connected (IP=192.168.1.12 data_port=43427)
Charmrun> client 1 connected (IP=192.168.1.12 data_port=39245)
Charmrun> Waiting for 2-th client to connect.

user1_at_Ganesh-Ubuntu:~/NAMD_2.12_Linux-x86_64-TCP$ ./charmrun namd2 +p4
+idlepoll ++verbose Production_Run_user112_23_16.conf > test.log
Charmrun> charmrun started...
Charmrun> using /home/user1/.nodelist as nodesfile
Charmrun> remote shell (192.168.1.12:0) started
Charmrun> remote shell (192.168.1.8:2) started
Charmrun> node programs all started
Charmrun> error attaching to node '192.168.1.8':
Timeout waiting for node-program to connect

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 group main ++shell ssh
 host 192.168.1.12 ++cpus 2
 host 192.168.1.8 ++cpus 2

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