On 10/18/2016 07:36 PM, Jose Ruvalcaba wrote:
Hello,

I installed and tried to run the simple_ra_receiver flowgraph using a USRP N210 and was shown the following error message:
/
aster$ simple_ra
Using Volk machine: avx_64_mmx_orc
gr-osmosdr v0.1.4-75-gae686c46 (0.1.5git) gnuradio 3.7.9
built-in source types: file fcd rtl_tcp rfspace redpitaya
WARNING: Overriding original sample rate of 1e+07 with 2e+06
Traceback (most recent call last):
  File "/home/ubuntu/bin/simple_ra_receiver.py", line 2574, in <module>
    main()
  File "/home/ubuntu/bin/simple_ra_receiver.py", line 2569, in main
    tb.Start(True)
File "/usr/lib/python2.7/dist-packages/grc_gnuradio/wxgui/top_block_gui.py", line 74, in Start
    self.start()
File "/usr/lib/python2.7/dist-packages/gnuradio/gr/top_block.py", line 109, in start
    top_block_start_unlocked(self._impl, max_noutput_items)
File "/usr/lib/python2.7/dist-packages/gnuradio/gr/runtime_swig.py", line 5678, in top_block_start_unlocked
    return _runtime_swig.top_block_start_unlocked(r, max_noutput_items)
RuntimeError: resolve_port: hierarchical block 'source_impl': output 1 is not connected internally/

I updated osmosdr to the latest version from/https://github.com/osmocom/gr-osmosdr/
but I still get the same issue.

Any ideas?

Thanks,
Jose


You don't appear to have UHD compiled-in to your gr-osmosdr, so that's one problem.

How did you build GR + friends?


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