[Discuss-gnuradio] regarding error : usrp_open_interface:usb_claim_interface: failed interface 2

[Sheshanandan KN]

hi all,
I am working on the gnuradio 3.2 stable release. When I execute my
python script, I am getting the following error.  I am not getting the
reason for this. If any one of you know about this, please let me
know...


usrp_open_interface:usb_claim_interface: failed interface 2
could not claim interface 2: Device or resource busy
usrp_basic_rx: can't open rx interface
Traceback (most recent call last):
  File "./my_code.py", line 520, in <module>
    main()
  File "./my_code.py", line 471, in main
    tb = my_top_block(rx_callback,options,args)
  File "./my_code.py", line 360, in __init__
    self.sp_sense = class_spectrum_sense(options,args)
  File "./my_code.py", line 250, in __init__
    self.u = 
usrp.source_c(fusb_block_size=options.fusb_block_size,fusb_nblocks=options.fusb_nblocks)
  File "/usr/lib64/python2.5/site-packages/gnuradio/usrp/usrp_swig.py",
line 1646, in source_c
    return _usrp_swig.source_c(*args, **kwargs)
RuntimeError: can't open usrp


Shesh