No thing happened all other examples are working . When i added "file.tr" to the command it gave me this error and when i wrote the command without "file.tr" it worked without any problems and usrp start to sense. But i need to save this data
> > On Monday, April 9, 2012, Tom Rondeau wrote: > >> On Sun, Apr 8, 2012 at 9:59 PM, Abdelrahman Ahmed <budi...@gmail.com> >> wrote: >> > last week every thing was fine until today when i want to sense the >> > spectrum i faced this problem >> > >>./usrp_spectrum_sense.py 1901M 1983M > file.tr >> > >> > Warning: this is known to have issues on some machines+Python version >> > combinations to seg fault due to the callback in bin_statitics. If >> you >> > figure out why, we'd love to hear about it! >> > Traceback (most recent call last): >> > File "./usrp_spectrum_sense.py", line 237, in <module> >> > tb = my_top_block() >> > File "./usrp_spectrum_sense.py", line 135, in __init__ >> > num_channels=1) >> > File "/usr/local/lib/python2.7/ >> > dist-packages/gnuradio/uhd/__init__.py", >> > line 116, in constructor_interceptor >> > return old_constructor(*args) >> > File >> "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", >> > line 2885, in usrp_source >> > return _uhd_swig.usrp_source(*args) >> > RuntimeError: LookupError: KeyError: No devices found for -----> >> > Device Address: >> > addr: 192.168.10.2 >> > although i am using usrp 1 so i added this args >> > >>usrp_spectrum_sense.py 1901M 1983M >file.tr --address="type=usrp1" >> > >> > linux; GNU C++ version 4.6.1; Boost_104601; >> UHD_003.004.000-24-g8630807c >> > >> > Warning: this is known to have issues on some machines+Python version >> > combinations to seg fault due to the callback in bin_statitics. If >> you >> > figure out why, we'd love to hear about it! >> > -- Opening a USRP1 device... >> > -- Using FPGA clock rate of 64.000000MHz... >> > Using Volk machine: ssse3_64 >> > gain = 25.75 >> > Segmentation fault >> >> Well, it does say right as you start the program: >> >> Warning: this is known to have issues on some machines+Python version >> combinations to seg fault due to the callback in bin_statitics. If you >> figure out why, we'd love to hear about it! >> >> So what changed for you between last week and this week? Have you >> changed code or any installations that we should know about? >> >> Tom >> >
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