I recently switched my computer to Ubuntu 20.04 and installed GNURadio 3.8.2.0 from ppa (http://ppa.launchpad.net/gnuradio/gnuradio-releases/ubuntu). Version 3.8.2 is the latest in this PPA and is installed by default.
I also installed gr-osmosdr gr-limesdr and gr-rds using sudo apt install.
Gnuradio is running fine in most cases. However, each time I run a flowgraph involving SDR or LimeSDR Dongle I get the classical error:
File "/home/-----/rds_rx.py", line 571, in __init__
self.audio_sink_1 = audio.sink(audio_rate, '', True)
AttributeError: 'int' object has no attribute 'sink'
Looking into library folder /usr/lib/x86_64-linux-gnu I found that some 3.8.1.1 and 3.8.0 libraries are installed and probably conflicting with 3.8.2.0 libraries. For example, command ll libgnuradio-runtime* gives
lrwxrwxrwx 1 root root 28 aug. 22 14:29 libgnuradio-runtime.so -> libgnuradio-runtime.so.3.8.2
lrwxrwxrwx 1 root root 30 juil. 31 15:23 libgnuradio-runtime.so.3.8.1 -> libgnuradio-runtime.so.3.8.1.0
-rw-r--r-- 1 root root 1077632 juil. 31 15:23 libgnuradio-runtime.so.3.8.1.0
lrwxrwxrwx 1 root root 30 aug. 22 14:29 libgnuradio-runtime.so.3.8.2 -> libgnuradio-runtime.so.3.8.2.0
-rw-r--r-- 1 root root 1077632 aug. 22 14:29 libgnuradio-runtime.so.3.8.2.0
It looks like 3.8.1 and 3.8.0 libraries have been installed when installing gr-osmosdr gr-limesdr and gr-rds
installed libraries during gr-osmosdr install
libgnuradio-audio.so.3.8.1
libgnuradio-blocks.so.3.8.1
libgnuradio-pmt.so.3.8.1
libgnuradio-runtime.so.3.8.1
libgnuradio-fcdproplus.so.3.8.0
libgnuradio-iqbalance.so.3.8.0
ilbgnuradio-uhd.so.3.8.0
ibgnuradio-fosphor.so.3.8.0
installed libraries during gr-rds install
libgnuradio-analog.so.3.8.1
libgnuradio-digital.so.3.8.1
libgnuradio-filter.so.3.8.1
I also notice that gr-osmosdr and gr-limesdr depend on libgnuradio-xxx >= 3.8.1.0~rc1. So I don't understand why 3.8.1 libraries have been installed after 3.8.2 libraries
Here are my questions:
- Is the existence of these multiple libraries versions the
cause of errors?
- Could someone please provide some link to PPA or source to compile (for gr-osmosdr and gr-limesdr) which are compatible with GNURadio 3.8.2.0?
- Should I reverse to GNURadio 3.8.1 using PPA http://ppa.launchpad.net/gnuradio/gnuradio-releases/ubuntu?
Regards, Christophe
