Wrong when I run uhd_fft


#1

Hello
When I run uhd_fft and I get errors below,what should I do next ? I’ve tried adding libUHD to the LD_LIBRARY_PATH,and ldconfig, but this error still exists.
tjf@tjf:~$ uhd_fft
Traceback (most recent call last):
File “/usr/bin/uhd_fft”, line 48, in <module>
from gnuradio import uhd
File “/usr/lib/python2.7/dist-packages/gnuradio/uhd/init.py”, line 135, in <module>
_prepare_uhd_swig()
File “/usr/lib/python2.7/dist-packages/gnuradio/uhd/init.py”, line 38, in _prepare_uhd_swig
import uhd_swig
File “/usr/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py”, line 28, in <module>
_uhd_swig = swig_import_helper()
File “/usr/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py”, line 24, in swig_import_helper
_mod = imp.load_module(’_uhd_swig’, fp, pathname, description)
ImportError: /usr/lib/python2.7/dist-packages/gnuradio/uhd/_uhd_swig.x86_64-linux-gnu.so: undefined symbol: _ZN3uhd11time_spec_t15get_system_timeEv

Thank you !