Hi,all
i came up with a nasty problem,confusing me for a long time .
I want to run two similar（or identical） scrips on one computer,say it
tunnel.py, the first one without any question ,when i run another ,it
came up with this error messages :
root@ubuntu:# ./sig_ana_201110.py -f 2400M
gr_fir_fff: using SSE
usrp_open_interface:usb_claim_interface: failed interface 1
could not claim interface 1: Device or resource busy
usrp_basic_tx: can’t open tx interface
Traceback (most recent call last):
File “./sig_ana_201110.py”, line 402, in
main()
File “./sig_ana_201110.py”, line 380, in main
options)
File “./sig_ana_201110.py”, line 80, in init
self.txpath = usrp_transmit_path.usrp_transmit_path(mod_class,
options)
File
“/home/zdl/gnuradio-3.2.2/20120922/node/us/usrp_transmit_path.py”, line
68, in init
self._setup_usrp_sink(options)
File
“/home/zdl/gnuradio-3.2.2/20120922/node/us/usrp_transmit_path.py”, line
77, in _setup_usrp_sink
self.u = usrp_options.create_usrp_sink(options)
File “/home/zdl/gnuradio-3.2.2/20120922/node/us/usrp_options.py”, line
119, in create_usrp_sink
gain=options.tx_gain,
File “/home/zdl/gnuradio-3.2.2/20120922/node/us/generic_usrp.py”, line
199, in init
_generic_usrp_base.init(self, **kwargs)
File “/home/zdl/gnuradio-3.2.2/20120922/node/us/generic_usrp.py”, line
63, in init
except: raise Exception, ‘Failed to automatically setup a usrp
device.’
Exception: Failed to automatically setup a usrp device.
i try to find answer on the net ,but can’t find any solution,Thank you
very much for all your help.
eric