From: Shawn (sltsucb_at_gmail.com)
Date: Thu Aug 12 2010 - 14:28:06 CDT

Thanks Axel!

We are using only one computer, and the Falcon is connected to the same
machine which runs the IMD. If it's a network config problem, is there a way
to identify and fix it?

Thanks!

Shawn

On Thu, Aug 12, 2010 at 1:22 PM, Axel Kohlmeyer <akohlmey_at_gmail.com> wrote:

> 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.
>