You may have done this already, but check that the network port is eth0, which find_usrp's uses by default.
I had similar problem after inserting another network card, check /etc/udev/rules.d/70-persistent-net.rules... D. ----- Original Message ---- From: Marcus D. Leech <mle...@ripnet.com> To: discuss-gnuradio@gnu.org Sent: Tue, 7 September, 2010 20:35:58 Subject: Re: [Discuss-gnuradio] find_usrps only succeed when an sniffer is ON On 09/07/2010 03:12 PM, Jorge Miguel wrote: > Thanks for your quick answer. A problem with a firewall was an idea > that also came to my mind but I disabled the Ubuntu firewall with the > command "sudo ufw disable" so that no firewall is running into my > machine and the USRP2-Host computer connection is made directly with a > 1 Gb ethernet wire. > > Furthermore there were no errors during the installation of the > software (via package manager).I run out of ideas....any suggestion? > > Jorge. > > On 09/07/2010 04:43 AM, Jorge Miguel wrote: > >> I installed GNU Radio on a ThinkPad Lenovo T4410 under Ubuntu 10.04. >> After connecting the USRP2 with the original Ettus code on the SD card >> D and F LEDs are ok and when executed: >> >> ~$ sudo find_usrps >> No USRP2 found. >> >> I run wireshark or tcpdump to see what happens in my network and I got: >> >> ~$ sudo find_usrps >> 00:50:c2:85:35:a2 hw_rev = 0x0400 >> >> If I stop the sniffer, I get again: >> >> ~$ sudo find_usrps >> No USRP2 found. >> >> My problem is that 'find_usrps' only works when a sniffer is running. >> How can it be explained? >> >> Jorge, >> >> > What are the permissions on: /usr/local/bin/usrp2_socket_opener They need to be 4755 in order for non-privileged apps to work correctly with the raw ethernet interface. -- Marcus Leech Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio