Dear Marcus,

attached the flow graph as captured. Thanks for your help!

Best Regards,


Am 10.08.2017 um 18:08 schrieb Marcus Müller:
Dear Ruedi,

That's pretty interesting; could you use GRC's screen capture
functionality to share what the flow graph looks like on your machine? I
sense GNU Radio bugs!

Best regards,

On 08/10/2017 05:54 PM, Ruediger Bauernschmitt wrote:

I'm using gnuradio-companion installed using apt-get on
Ubuntu 14.04.5 LTS running on a Lenovo T60.

The dialtone example works fine but once I'm using the frequency sink
like e.g. in the resampler_demo.grc I get the following Runtime Error:

Generating: '/tmp/'

Executing: /usr/bin/python2 -u /tmp/

Traceback (most recent call last):
   File "/tmp/", line 284, in <module>
   File "/tmp/", line 272, in main
     tb = top_block_cls()
   File "/tmp/", line 104, in __init__
     1 #number of inputs
line 1371, in make
     return _qtgui_swig.freq_sink_c_make(*args, **kwargs)
RuntimeError: std::exception

Any ideas?

Best wishes,


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