Re: [Discuss-gnuradio] Big bugs out of nowhere...

[Eric Blossom]

On Fri, Mar 14, 2008 at 10:48:29AM -0400, Jared Jensen wrote:
> 

> I haven't been using my usrp for a little while.  I've been porting
> my code to a TI C64x+.  I came back to my usrp today and tried to
> run just a basic receive for test data for my TI DSP.  I got the
> following error.  In usbview I see a "USRP Rev4" under my ehci
> controller.  I thought it might be the board, so I grabbed my other
> usrp, and the exact same thing happened.  (This is with
> gnuradio-3.1.1 ) So I tried my older gnuradio install, and tried to
> run usrp_fft.py... and the same things happened.  I checked
> /usr/local/share/usrp.  It has all of the rbf (see below).  Has
> anyone encountered this before?  It was just a few months back
> everything was great... I didn't touch gr for a while... came back
> and BOOM.  :( No joy.


Have you followed the instructions for ensuring that you can access
the USRP w/o being root?

  http://gnuradio.org/trac/wiki/UdevConfig

Eric


> usb_control_msg failed: error sending control message: Protocol error
> usb_control_msg failed: error sending control message: Protocol error
> usb_control_msg failed: error sending control message: Protocol error
> usrp: failed to load fpga bitstream 
> /usr/local/share/usrp/rev4/std_2rxhb_2tx.rbf.
> 
>   File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp1.py", line 1232, 
> in source_c
>     return _usrp1.source_c(*args)
> RuntimeError: can't open usrp1