VMD-L Mailing List

From: Axel Kohlmeyer (akohlmey_at_gmail.com)
Date: Thu Aug 12 2010 - 14:22:13 CDT

looks like a network configuration problem.

with that .vmdsensors file the request should come from localhost
and not the IP number you quote.

axel.

On Thu, Aug 12, 2010 at 2:21 PM, Shawn <sltsucb_at_gmail.com> wrote:
> I am almost desperate and any prompt help is greatly appreciated!
>
> We tried to connect Novint Falcon (http://en.wikipedia.org/wiki/Novint)
> through VRPN with IMD and let Falcon control the molecules by following the
> instruction on this page:
> http://sites.google.com/site/akohlmey/software/vrpn-icms. Here are some
> specs of the machine and the software.
>
> 1. Linux machine (AMD64, Red Hat 5.4)
> 2. Latest VMD (Version 1.8.7 (2009-08-01) for LINUX_64 OpenGL, CUDA).
> 3. Not sure about the VRPN version, but it's vrpn-icm
>
> We connected the Falcon to the machine through VRPN without problem. The IMD
> is runing okay. The VMDSensor file looks like this:
>
> # VMD configuration to use a Novint Falcon as a VRPN tracker and force
> feedback device.
> device falcon0     vrpntracker://localhost/Tracker0
> device fbuttons0   vrpnbuttons://localhost/Tracker0
> device ffeedback0  vrpnfeedback://localhost/Tracker0
> To connect the Falcon to the IMD, a tug tool needs to be created and then
> three devices falcon0, fbuttons0, and ffeedback0 need to be assigned to the
> tug tool. However, whenever we tried to create a tug tool, following errors
> came out.
>
> Anyone knows what might go wrong? I really appreciate it!
>
>
> Shawn
>
>
>
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn_Endpoint::finish_new_connection_setup: Can't read cookie: Connection
> reset by peer
> vrpn_Endpoint::poll_for_cookie: cookie handling failed
>     while connecting to ""
> vrpn: Connection request received: 172.16.201.240 51068
> vrpn: Connection request received: 172.16.201.240 51068
>
> VRPN Error
>  (1367) from Tracker0: No response from server for >= 10 seconds
> # VMD for LINUXAMD64, version 1.8.7 (August 1, 2009)
> # end of log file.
> vrpn_Endpoint::send_pending_reports(): No TCP connection
> vrpn_Connection::send_pending_reports:  Closing failed endpoint.
> Connection was deleted while 4 references still remain. 

-- 
Dr. Axel Kohlmeyer    akohlmey_at_gmail.com
http://sites.google.com/site/akohlmey/
Institute for Computational Molecular Science
Temple University, Philadelphia PA, USA.