[Discuss-gnuradio] Error detecting the USRP

[bellzii]

hey everyone ,

I was trying to check my usrp using 

benchmark_usb.py 

but i got a msg :
esting 2MB/sec... Traceback (most recent call last):
  File "./benchmark_usb.py", line 106, in ?
    main ()
  File "./benchmark_usb.py", line 96, in main
    ok = run_test (rate, verbose)
  File "./benchmark_usb.py", line 63, in run_test
    usrp_tx = usrp.sink_s (0, tx_interp)
  File "/usr/local/lib/python2.4/site-packages/gnuradio/usrp.py", line 227,
in __init__
    _ensure_rev2(which)
  File "/usr/local/lib/python2.4/site-packages/gnuradio/usrp.py", line 82,
in _ensure_rev2
    v = _look_for_usrp(which)
  File "/usr/local/lib/python2.4/site-packages/gnuradio/usrp.py", line 76,
in _look_for_usrp
    raise RuntimeError, "Unable to find USRP #%d" % (which,)
RuntimeError: Unable to find USRP #0


on usbview ,it can detect the ursp as a high speed device 
can some help??



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