Hi,

     OK, the uhd_find_devices --args="type=usrp1" is working, there's no device 
discovery error message, but when I tried to run the uhd_usrp_probe 
--args="type=usrp1" the uhd_usrp_probe broke down giving a nice error message:

"uhd_usrp_probe.exe has encountered a problem and needs to close.  We are sorry 
for the inconvenience."

If I disconnect from the Internet (I have internet connection on PPPOE) then I 
don't get any error when running uhd_find_devices.exe instead when I 
run uhd_usrp_probe.exe I get the mentioned error. I even tried to disable Local 
Area Network, and VirtualBox Network, but the error is there.

I tried many packet sniffer (TCP, UDP) programs but there's no data transfer (I 
couldn't find any packet sent by UHD) when running uhd_usrp_probe 
--args="type=usrp1" therefore it  might be some error in the test 
program uhd_usrp_probe before sending out any packet.


What could be the problem?


Thank,

Best Regards,
Mark.






________________________________
From: Josh Blum <j...@joshknows.com>
To: Mark Colin <markcoli...@yahoo.com>
Cc: Discuss-gnuradio@gnu.org
Sent: Wed, April 27, 2011 3:13:39 AM
Subject: Re: Error when using UHD, GRC



On 04/26/2011 04:59 PM, Mark Colin wrote:
> Hi Josh,
> 
>    I have an USRP1 working on USB therefore it shouldn't give such kind of 
> errors like "Error: An existing connection was forcibly closed by the remote 
> host"? 
> 

Sorry, I missed that it was a USB based USRP. Even though its USB, the
discovery logic still tries to send out broadcast packets to your
network interfaces. (I am assuming that this error is a network issue.)

I think if you add these arguments, the discovery logic wont attempt to
search the network.

uhd_find_devices --args="type=usrp1"
uhd_usrp_probe --args="type=usrp1"

It still might be worth it to fix the issue. Maybe disable a few extra
network interfaces (or virtual ones like VPN). I have no idea, so I am
curious as to what might cause this.

-josh

I assume you did do  this:
http://code.ettus.com/redmine/ettus/projects/uhd/wiki#Windows-USB-driver
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