Okay, runs just fine on my Gnu Radio. Which specific version of Gnu Radio are
you running?
On 7/4/24 08:42, David Hagood wrote:
On 7/4/24 07:11, Gary Schafer wrote:
Perhaps if you shared your flowgraph?
Gary
I've created about the simplest flow graph possible to demonstrate the issue
(attached).
Here's the output.
<<< Welcome to GNU Radio Companion 3.10.9.2 >>>
Block paths:
~/.grc_gnuradio
/usr/share/gnuradio/grc/blocks
Generating: "/tmp/default.py"
Generating: "/tmp/default.py"
Executing: /usr/bin/python3 -u /tmp/default.py
(python3:203156): dbind-WARNING **: 07:40:33.655: Couldn't connect to
accessibility bus: Failed to connect to socket /root/.cache/at-spi/bus_0.0:
Permission denied
audio_alsa_source :error: [pulse]: set_channels failed: Invalid argument
Traceback (most recent call last):
File "/tmp/default.py", line 121, in <module>
main()
File "/tmp/default.py", line 101, in main
tb.start()
File "/usr/lib/python3/dist-packages/gnuradio/gr/top_block.py", line 116, in
start
top_block_start_unlocked(self._impl, max_noutput_items)
RuntimeError: check topology failed on audio_alsa_source(1) using ninputs=0,
noutputs=2
>>> Done (return code 1)
