Re: [Discuss-gnuradio] LookupError: KeyError: No devices found for ----->

[Josh Blum]

On 04/19/2012 04:23 AM, Abdelrahman Ahmed wrote:
> I am using USRP1 with daughterboard WBX and RFX2400 and i am trying to
> sense the spectrum by using RFX2400 by typing ./usrp_spectrum_sense.py
> 2.401G 2.483G
> it appears to me the attached error.
> 
> 
> 

Heres kind of a checklist:

If you installed UHD from source, did you build with USB support?

Also, if from source, did you install the udev rules?
http://files.ettus.com/uhd_docs/manual/html/transport.html#setup-udev-for-usb-linux

When you plug in the usrp, does it show when you run lsusb?

Also, VMs can be problematic. I recommend running on a native OS

-josh