Re: [Discuss-gnuradio] gnuradio LISBUSB error (but username is configured for plugdev and USB use)

[Sonny Rajagopalan]

Sorry didn't attach to group earlier.

On Wed, Jan 25, 2017 at 4:19 PM, Cinaed Simson <address@hidden> wrote:

On 01/25/2017 09:52 AM, Sonny Rajagopalan wrote:
> Hello,
>
> I have a hackrf board which I am able to use using gqrx (using Ubuntu
> 14.04 LTS, gnuradio v3.7.10.1-182-g59136936). This, I guess, confirms
> the permissions issue for accessing hackrf under my username.
>
> However, when I try to execute a flow graph I created using
> gnuradio-companion, it fails for the following reason:
>
> Generating: '/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py'
>
> Executing: /usr/bin/python2 -u
> /mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py
>
> linux; GNU C++ version 4.8.4; Boost_105400; UHD_3.11.0.git-59-g52ca2e0b
>
> gr-osmosdr v0.1.x-xxx-xunknown (0.1.5git) gnuradio 3.7.10
> built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf
> bladerf rfspace airspy soapy redpitaya
> Number of USB devices: 13
> USB device 1d50:0089: 0000000000000000909864c82c3a2fcf match
> Using HackRF One with firmware 2015.07.2
> gr-osmosdr v0.1.x-xxx-xunknown (0.1.5git) gnuradio 3.7.10
> built-in sink types: uhd hackrf bladerf soapy redpitaya file
> Number of USB devices: 13
> USB device 1d50:0089: 0000000000000000909864c82c3a2fcf match
>
> FATAL: Failed to open HackRF device (-1000) HACKRF_ERROR_LIBUSB
>
> Trying to fill up 1 missing channel(s) with null sink(s).
> This is being done to prevent the application from crashing
> due to gnuradio bug #528.
>
> Traceback (most recent call last):
>   File "/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py",
> line 128, in <module>
>     main()
>   File "/mymachine/sdr/gnuradioProjects/flowGraphsFromGRC/top_block.py",
> line 117, in main
>     tb.start()
>   File
> "/usr/local/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/local/lib/python2.7/dist-packages/gnuradio/gr/runtime_swig.py",
> line 4879, in top_block_start_unlocked
>     return _runtime_swig.top_block_start_unlocked(*args, **kwargs)
> RuntimeError: list contains invalid format!
>
> Any help is appreciated.
>
> Thanks,
> Sonny.
>
>

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>

You should post your grc file.

-- Cinaed

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