Re: GnuRadio 3.10 - Audio sink under Linux does not support stereo

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)
>