On Wed, Apr 7, 2010 at 8:03 AM, voipas <voi...@gmail.com> wrote: > Hello, > > I've problem with USRP. Since I've upgraded my Ubuntu to 9.0.4 - usrp > doesn't work: > /usr/local/share/gnuradio/examples/usrp/usrp_benchmark_usb.py > Exception RuntimeError: 'maximum recursion depth exceeded while calling a > Python object' in <type 'exceptions.AttributeError'> ignored > Testing 2MB/sec... usrp: failed to write fpga hash slot > usb_control_msg failed: error sending control message: Protocol error > usb_control_msg failed: error sending control message: Protocol error > usb_control_msg failed: error sending control message: Protocol error
Protocol error from USB generally indicates a low level error. Do you have any other USB devices attached (hubs, webcams, etc.)? Thomas _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
