VMD-L Mailing List

From: Xiaohu Hu (xiaohu.hu_at_mssm.edu)
Date: Tue Oct 03 2017 - 13:44:51 CDT

Thanks John!

I really appreciate it! If could could give me some instructions and
hints, I could try to build it myself.

Best,

Xiaohu

On 10/03/2017 02:41 PM, John Stone wrote:
> Hi,
> I followed up with Xiaohu on the VRPN mailing list, this is most
> likely a VRPN version incompatibility issue. Compatibility generally
> requires both the VRPN server and VMD client to be compiled with
> the same VRPN version. I'll see if I can produce a test build of
> VMD compiled against VRPN 7.33 soon.
>
> Best,
> John Stone
> vmd_at_ks.uiuc.edu
>
> On Mon, Oct 02, 2017 at 03:58:03PM -0400, Xiaohu Hu wrote:
>> Sorry, the repreating error messages should be this:
>>
>>
>> On the server:
>>
>> vrpn: Connection request received from xx.xx.xx.xxx: 51469
>> vrpn_Endpoint::connect_tcp_to: Could not connect to machine port 51469
>> Winsock error: 10061
>> vrpn_Endpoint::setup_new_connection:  Can't write cookie.
>> vrpn_Connection_IP::handle_connection():  Can't set up new connection
>>
>>
>> and on the VMD console:
>>
>> from Phantom: No response from server for >= 10 second
>>
>>
>> On 10/02/2017 02:30 PM, Xiaohu Hu wrote:
>>> Dear all,
>>>
>>> I am seeing a strange network error when I tried to use VRPN to
>>> connect a sensible phantom haptic device to another computer
>>> running the software. So I have this following setup:
>>>
>>> - A windows 7 machine running VRPN server 7.33, the haptic device
>>> is connected to the windows machine and is properly configured. I
>>> used the vrpn_print_devices.exe command to verfied it.
>>>
>>> - A second linux computer running ubuntu 16.04 has the software
>>> VMD installed on it which should connect to the VRPN server on the
>>> win7 machine. The goal is to use the haptic device as a input
>>> device for the IMD that will be ran on the linux machine.
>>>
>>> Everything seems fine until when I try to connect to the VRPN
>>> server from the linux machine. On the server screen, I see the
>>> following repeating error message:
>>>
>>> vrpn: Connection request received from xx.xx.xx.xxx: https://urldefense.proofpoint.com/v2/url?u=http-3A__127.0.1.1&d=DwIDaQ&c=shNJtf5dKgNcPZ6Yh64b-A&r=SHx_YnYMsBQdPqUNPQ_CGtLPvCDYJr0vd32NmgHNJaI&m=7ENtYXMunETrrqLHllF6gWgCW4SdjZ5SXTQ1zp04j-A&s=HqzZxYyEQS_mWHHjepXn8Xz1VGDEAcLbldpxRtmA1wk&e=
>>> 51469
>>> vrpn_Endpoint::connect_tcp_to: Could not connect to machine https://urldefense.proofpoint.com/v2/url?u=http-3A__127.0.1.1&d=DwIDaQ&c=shNJtf5dKgNcPZ6Yh64b-A&r=SHx_YnYMsBQdPqUNPQ_CGtLPvCDYJr0vd32NmgHNJaI&m=7ENtYXMunETrrqLHllF6gWgCW4SdjZ5SXTQ1zp04j-A&s=HqzZxYyEQS_mWHHjepXn8Xz1VGDEAcLbldpxRtmA1wk&e=
>>> port 51469
>>> Winsock error: 10061
>>> vrpn_Endpoint::setup_new_connection:  Can't write cookie.
>>> vrpn_Connection_IP::handle_connection():  Can't set up new connection!
>>>
>>> meanwhile on the linux machine I see this repeating error message
>>> on the vmd console:
>>>
>> >from Phantom: No response from server for >= 10 seconds
>>> It seems that the vmd on the linux machine is trying to make a
>>> request to connect to the VRPN server, which is received by the
>>> VRPN server, but when the server tries to talk back to the vmd, it
>>> gets denied for some reason (ergo the winsock 10061 error?). I
>>> have turned off the firewalls on both machines and the same thing
>>> still happens.
>>>
>>> I am wondering whether it is a VRPN issue or a network issue, both
>>> computers are connected to the same network, they should be on the
>>> same subnet. I am wondering if anyone else has seen similar error?
>>> Any help here is appreciated, and much thanks in advance!
>>>
>>> Best,
>>>
>>> Xiaohu
>>>
>> --
>>
>> Xiaohu Hu
>> Postdoctoral Fellow
>> Department of Pharmacological Sciences
>> Icahn School of Medicine at Mount Sinai
>> Email: xiaohu.hu_at_mssm.edu 

-- 
Xiaohu Hu, PhD
Postdoctoral Fellow
Department of Pharmacological Sciences
Icahn School of Medicine at Mount Sinai
Email: xiaohu.hu_at_mssm.edu
Phone: 865-985-8244