On Tue, Sep 05, 2006 at 03:50:12PM -0700, Written wrote:
> 
> Hello again,
> 
> Here is my setup.  I have a Debian Sarge linux LAN isolated from the outside
> world.  I have the USRP hooked up to one computer, and I am trying to have
> that computer feed another computer data via Python sockets.
> 
> On the computer being fed (the one WITHOUT the USRP), I am running  a
> program very similar to usrp_fft.py.  This program, instead of accessing the
> USRP directly, accepts data from gr.file_descriptor_source AFTER I have
> established a socket with the computer feeding this one the data.
> 
> As for the feeding computer, it is running usrp_rx_cfile.py with the sink,
> instead of gr.file_sink, is now gr.file_descriptor_sink.  This computer is
> listening for the other computer in order to create a connection with it.
> 
> Then, for the actual process:  I run the feeding computer, then run the
> computer being fed, but there is an error.  The feeding computer starts
> listing the USRP data (Rev number, etc.), but then it says
> "gr.file_descriptor_sink: broken pipe".

It's almost certain that the file handle corresponding to the file
descriptor you are using has gone out of scope and thus has been
closed.  

Eric


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