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Re: [Discuss-gnuradio] USRP and "fusb: (rd status -71) Protocol error"
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] USRP and "fusb: (rd status -71) Protocol error" |
Date: |
Wed, 2 May 2007 14:54:10 -0700 |
User-agent: |
Mutt/1.5.9i |
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