Re: Unable to compile RTL-SDR project in gnuradio

Hi,

I did this in september , see the pdf attached to this email on the
discuss gnuradio list

https://lists.gnu.org/archive/html/discuss-gnuradio/2020-09/msg00123.html

regards,


On 20/10/2020 23:52, gokul sani wrote:
> Dear Sir/Madam,
>
> I am kind of new to Gnuradio, i am craving to start with my projects
> using usrp, hackrf and rtlsdr. To begin with, i thought of running
> rtlsdr basic receiver project, but unfortunately i am unable to pass
> the proper installation stage.
>
> I was trying ppa binary installation for Gnuradio 3.8 on Ubuntu 20.04.
> i followed the documentation steps exactly as said in the gnuradio
> rtlsdr official sites. I did the ppa installation from :
> https://wiki.gnuradio.org/index.php/InstallingGR
> then did the rtlsdr installation from:
> https://osmocom.org/projects/rtl-sdr/wiki/Rtl-sdr
> but i have no idea why it brings up with this error.
> .........................................................................................
> Generating: '/media/goku/GOKU/GNU_Radio/test_youtube.py'
>
> Executing: /usr/bin/python3 -u /media/goku/GOKU/GNU_Radio/test_youtube.py
>
> Warning: failed to XInitThreads()
> gr-osmosdr 0.2.0.0 (0.2.0) gnuradio 3.8.1.0
> built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf
> bladerf rfspace airspy airspyhf soapy redpitaya freesrp
> [INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100;
> UHD_3.15.0.0-2build5
> Found Rafael Micro R820T tuner
> Using device #0 Realtek RTL2838UHIDIR SN: 00000001
> Found Rafael Micro R820T tuner
> [R82XX] PLL not locked!
> [R82XX] PLL not locked!
> Traceback (most recent call last):
>   File "/media/goku/GOKU/GNU_Radio/test_youtube.py", line 147, in <module>
>     main()
>   File "/media/goku/GOKU/GNU_Radio/test_youtube.py", line 125, in main
>     tb.start()
>   File "/usr/lib/python3/dist-packages/gnuradio/gr/top_block.py", line
> 111, in start
>     top_block_start_unlocked(self._impl, max_noutput_items)
>   File "/usr/lib/python3/dist-packages/gnuradio/gr/runtime_swig.py",
> line 4832, in top_block_start_unlocked
>     return _runtime_swig.top_block_start_unlocked(r, max_noutput_items)
> RuntimeError: list contains invalid format!
>
> >>> Done (return code 1)
> ............................................................................................
> Please help me. It has been nearly two weeks, I am behind this.
>
> WR,
> Gokul Sani.
>
>