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Re: [Discuss-gnuradio] Cannot Access new USRP2 from Ubuntu 9.10


From: Omid F
Subject: Re: [Discuss-gnuradio] Cannot Access new USRP2 from Ubuntu 9.10
Date: Tue, 9 Feb 2010 14:29:02 -0600

Thanks for the suggestion. I tried wireshark. I didn't see any packages going out when I called "sudo find_usrps". How do I make sure gnuradio is installed properly? The installation seemed to go smoothly, and I am able to run grc (gnuradio-companion).

Thanks,
Omid

On Mon, Feb 8, 2010 at 5:45 PM, Josh Blum <address@hidden> wrote:
run wireshark, you should see packets going out.

If you do not see packets going out, then it is a gnuradio installation or usage problem.

If you see packets going out but do not see reply packets, make sure that your usrp2 firmware is up to date with your gnuradio install.

-Josh


On 02/08/2010 02:57 PM, Omid F wrote:
Thanks for the prompt response Tom.

I was running as root previously too. I tried again, no difference, I get:
"No USRP2 found."

I am sure it is eth0. Just to be safe, I tried others (e.g. sudo find_usrps
-e eth1) and I get:
"eth1: SIOCGIFINDEX: No such device
No USRP2 found."

Could it be something related to Ubuntu 9.10?
How can I make sure the interface on USRP2 is not defective?

Thanks,
Omid


On Mon, Feb 8, 2010 at 4:49 PM, Tom Gross<address@hidden>  wrote:

I usually run find_usrps as root:

sudo find_usrps

also, what is the device name of your gig-e card?  If it's not eth0
you have to specify the device (I think), for example:

sudo find_usrps -e eth1

I wouldn't be surprised if your laptop's default ethernet port is not
gig-e, and is eth0.


On Mon, Feb 8, 2010 at 5:36 PM, Omid F<address@hidden>  wrote:
Dear all,
I have successfully installed the binary for GnuRadio 3.2.2-1 and
gnuradio-compaion on Ubuntu 9.10.
I have a new USRP2 Rev 4.0 with TVRX. The SD card is in, and lights D and
F
are on.
I followed guidelines on USRP2UserFAQ (and reviewed previous posts), but
am
not able to connect to USRP2. I am connecting using a Intel 82566 Gigabit
card with PCIe on a Lenovo T61 laptop. I run the following as root:
$find_usrps
I get: No USRP2 found.
When I run:
$ usrp2_fft.py
I get:
Traceback (most recent call last):
  File "/usr/bin/usrp2_fft.py", line 273, in<module>
    main ()
  File "/usr/bin/usrp2_fft.py", line 269, in main
    app = stdgui2.stdapp(app_top_block, "USRP2 FFT", nstatus=1)
  File "/usr/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py", line
36, in __init__
    wx.App.__init__ (self, redirect=False)
  File
"/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py",
line 7978, in __init__
    self._BootstrapApp()
  File
"/usr/lib/python2.6/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py",
line 7552, in _BootstrapApp
    return _core_.PyApp__BootstrapApp(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py", line
39, in OnInit
    frame = stdframe (self.top_block_maker, self.title, self._nstatus)
  File "/usr/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py", line
60, in __init__
    self.panel = stdpanel (self, self, top_block_maker)
  File "/usr/lib/python2.6/dist-packages/gnuradio/wxgui/stdgui2.py", line
81, in __init__
    self.top_block = top_block_maker (frame, self, vbox, sys.argv)
  File "/usr/bin/usrp2_fft.py", line 70, in __init__
    self.u = usrp2.source_32fc(options.interface, options.mac_addr)
  File "/usr/lib/python2.6/dist-packages/gnuradio/usrp2.py", line 644, in
source_32fc
    return _usrp2.source_32fc(*args, **kwargs)
RuntimeError: No USRPs found on interface eth0
----------------
I tried the same things on a different PC with the same OS and a
different
gigabit ethernet card, but get the exact same results.
Can someone please help me out? I am sure the cable is also working. Can
the
ethernet interface on USRP2 be defective?
Thanks,
Omid


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