[Discuss-gnuradio] Import Error undefined symbol : in gnuradio while running any of the examples on usrp.

[ashwin raut]

hi ,
when i try connecting usrp and then run some examples i always get this import error, I have attached the error log below. I have installed gnuradio 3.1.3 on ubuntu 8.04 and have python 2.5 .  i tried finding abt this error but didnt get anything similar. please help.


address@hidden:/usr/local/share/gnuradio/examples/usrp# python usrp_wfm_rcv.py
Traceback (most recent call last):
  File "usrp_wfm_rcv.py", line 25, in <module>
    from gnuradio import usrp
  File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp.py", line 26, in <module>
    from gnuradio import usrp1              # usrp Rev 1 and later
  File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp1.py", line 6, in <module>
    import _usrp1
ImportError: /usr/local/lib/python2.5/site-packages/gnuradio/_usrp1.so: undefined symbol: _ZN10usrp_basic22_write_fpga_reg_maskedEiii

regards,
Ashwin Raut
SJSU,
Comp. Engineering.