Scroll down for info on the commit Jonathon mentioned. I forgot to cc
the list on the reply 
Philip
-------- Original Message --------
Subject: Re: [Discuss-gnuradio] GNURadio on Zync: thanks for the
excellent tutorial
Date: Wed, 01 Jan 2014 17:54:48 -0500
From: Philip B. [email protected]
To: Jean-Michel FRIEDT [email protected]
On 01/01/2014 01:06 PM, Jean-Michel FRIEDT wrote:
Some knowledgeable person should definitely review these updates to the
internet)
I think this is the phy address in the device tree file issue.
See:
Philip