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[Discuss-gnuradio] USRP2 dies

From: Chukhman, Ilya A.
Subject: [Discuss-gnuradio] USRP2 dies
Date: Thu, 17 Sep 2009 17:31:19 -0400

My USRP2 dies during transmission when using interpolation rates less than 24. When that happens, the USRP2 does not respond to any commands, including find_usrps, until it is rebooted. Looking at previous threads on this list, I noticed that other people experienced similar problems, but it wasn’t apparent if they found solutions to them.
I have the USRP2 directly connected to a Dell laptop that has a Broadcom NetXtreme BCM5755M chipset.  I have enabled real-time scheduling in limits.conf and the http://gnuradio.org/trac/wiki/USRP2GigEReports indicates that my Ethernet chip is supported.  What Ethernet flow-control settings do I need to set in Ubuntu 9.04 on my laptop?

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