step 3) the control software access the device entry correctly? good box /gnuradio/gnuradio/gnuradio-examples/python/usrp$ ./usrp_benchmark_usb.py Testing 2MB/sec... usb_throughput = 2M ntotal = 1000000 nright = 999452 runlength = 999452 delta = 548 OK Testing 4MB/sec... usb_throughput = 4M ntotal = 2000000 nright = 1999583 runlength = 1999583 delta = 417 OK Testing 8MB/sec... usb_throughput = 8M ntotal = 4000000 nright = 3998943 runlength = 3998943 delta = 1057 OK Testing 16MB/sec... usb_throughput = 16M ntotal = 8000000 nright = 7999584 runlength = 7999584 delta = 416 OK Testing 32MB/sec... usb_throughput = 32M ntotal = 16000000 nright = 15998150 runlength = 15998150 delta = 1850 OK Max USB/USRP throughput = 32MB/sec
bad box: /gnuradio/gnuradio/gnuradio-examples/python/usrp$ ./usrp_benchmark_usb.py Testing 2MB/sec... Traceback (most recent call last): File "./usrp_benchmark_usb.py", line 106, in <module> main () File "./usrp_benchmark_usb.py", line 96, in main ok = run_test (rate, verbose) File "./usrp_benchmark_usb.py", line 63, in run_test usrp_tx = usrp.sink_s (0, tx_interp) File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp.py", line 228, in __init__ _ensure_rev2(which) File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp.py", line 83, in _ensure_rev2 v = _look_for_usrp(which) File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp.py", line 77, in _look_for_usrp raise RuntimeError, "Unable to find USRP #%d" % (which,) RuntimeError: Unable to find USRP #0 can anybody help us out? thanks a lot! -- View this message in context: http://www.nabble.com/USRP-harware-problem--tp20629596p20629647.html Sent from the GnuRadio mailing list archive at Nabble.com. _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio