I had a similar problem when I was using a PCIe express card. The problem was with the drivers flow control. For some reason the Marvell Yukon2 drivers I was using with the Belkin PCIe gigabit card thought it was getting overwhelmed with frames and sent a PAUSE frame to the USRP2 and then the interface just stopped receiving frames, even though the USRP2 was still pushing them.
Anyways, check your Ethernet drivers and figure out how to turn off flow control pause. Tim From: [email protected] [mailto:[email protected]] On Behalf Of jeff . Sent: Tuesday, March 03, 2009 12:05 PM To: Johnathan Corgan Cc: [email protected] Subject: Re: [Discuss-gnuradio] starting with usrp2_fft.py Hi! The informations of my development environment are: Revision: 10526 Last Changed Author: matt Last Changed Rev: 10524 Last Changed Date: 2009-02-26 01:44:02 -0300 (Qui, 26 Fev 2009) The informations about my USRP2 are: firmware: txrx-edk10.1-r10524.bin FPGA: u2_rev3_ise10.1sp3_r10524.bin Thank you, Ps.: For all now :-) Jeff 2009/3/2 Johnathan Corgan <[email protected]> On Fri, Feb 27, 2009 at 6:06 AM, jeff . <[email protected]> wrote: > I'm a newbie. I received my hardware and trying test it. > I started to test the USRP2 (last release of firmware) and FLEX900 with the > "usrp2_fft.py". > My system is Ubuntu 8.10 and the trunk version of gnuradio. Can you confirm the version of the USRP2 FPGA code and firmware that is written to the SD card, as well as the revision number of the "latest trunk" that you have installed on your system? Johnathan
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