Forum: GNU Radio Import Error undefined symbol : in gnuradio while running any of the examples on usrp.

Announcement (2017-05-07): is now read-only since I unfortunately do not have the time to support and maintain the forum any more. Please see and for other Rails- und Ruby-related community platforms.
ashwin raut (Guest)
on 2009-03-06 00:52
(Received via mailing list)
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.

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

Ashwin R.
Comp. Engineering.
This topic is locked and can not be replied to.