Re: [Discuss-gnuradio] USRP and "fusb: (rd status -71) Protocol error"

[Eric Blossom]

On Thu, May 03, 2007 at 07:27:33AM +1000, stevie.glass wrote:
> Hi
> 
> I've a rev 3 USRP which has the Flex2400 and TVRX daughtercards installed.
> At one time the setup worked well - altho I've let it lie a while. This
> week I've swapped out a TVRX and replaced it with the DBSRX in
> preparation for a new project.
> 
> When I run usrp_fft.py things are fine for a few moments but inevitably
> the program crashes with:
> 
> fusb: (rd status -71) Protocol error
> 
> repeatedly written to the terminal. Similar story for usrp_oscope.py and
> most other examples.

I have in the past seen this, but mostly when I've powered down a USRP
while the application was still running.

You may want to try a different USB cable.  It might be flaky.

Eric