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

[Eric Blossom]

On Mon, Mar 17, 2008 at 05:50:03AM -0400, Jared Jensen wrote:
> 

> Yes.  I double checked just to make sure.  I have a usrp group.  I'm
> in it.  My 10-usrp.rules file is verbatim from the site.  In the
> past, I had no trouble accessing the usrp as non-root... but I
> triple-checked, and the group is setup correctly.

Let me ask the question a different way.

If you run as root, does it work?

Eric


> I restarted, and I still get the same behavior.  
> 
> j0j
> 
> > Date: Fri, 14 Mar 2008 10:54:42 -0700
> > From: address@hidden
> > To: address@hidden
> > CC: address@hidden
> > Subject: Re: [Discuss-gnuradio] Big bugs out of nowhere...
> > 
> > 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