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Re: Sound issues on ThinkPad X220T (Lenovo)



On 4/12/20, riveravaldez <riveravaldezmail@gmail.com> wrote:
> On 4/12/20, Andrei POPESCU <andreimpopescu@gmail.com> wrote:
>> On Sb, 11 apr 20, 21:02:39, riveravaldez wrote:
>>>
>>> Strangely, 'speaker-test -c2' doesn't produce a sound. But 'sudo
>>> speaker-test -c2' works flawlessly. (The idea to check that came from
>>> [1].)
>>
>> Some program might be blocking the sound card, check also the output of
>> 'lsof | grep /dev/snd' (as root).
>>
>> Kind regards,
>> Andrei
>
> Thanks a lot for your answer and help, Andrei.
> I've got these:
>
> $ sudo lsof | grep /dev/snd/
> timidity   644                        timidity  mem       CHR
>     116,2                13463 /dev/snd/pcmC0D0p
> timidity   644                        timidity    3r      CHR
>    116,33       0t0      12547 /dev/snd/timer
> timidity   644                        timidity    4u      CHR
>     116,2       0t0      13463 /dev/snd/pcmC0D0p
> timidity   644                        timidity    5u      CHR
>     116,9       0t0      13479 /dev/snd/controlC0
> timidity   644                        timidity    6u      CHR
>     116,1       0t0      12548 /dev/snd/seq
> alsamixer 2150                        thinkpad    3u      CHR
>     116,9       0t0      13479 /dev/snd/controlC0
>
> Maybe a timidity configuration issue?

Oh, mother-bugger... Problem - practically - solved.

I did:

$ sudo apt-get purge timidity
Leyendo lista de paquetes... Hecho
Creando árbol de dependencias
Leyendo la información de estado... Hecho
Los siguientes paquetes se ELIMINARÁN:
  timidity* timidity-daemon*
0 actualizados, 0 nuevos se instalarán, 2 para eliminar y 9 no actualizados.
Se liberarán 1.655 kB después de esta operación.
¿Desea continuar? [S/n]
(Leyendo la base de datos ... 123466 ficheros o directorios instalados
actualmente.)
Desinstalando timidity-daemon (2.14.0-8) ...
Desinstalando timidity (2.14.0-8) ...
Procesando disparadores para mime-support (3.64) ...
Procesando disparadores para man-db (2.9.1-1) ...
Procesando disparadores para desktop-file-utils (0.24-1) ...
(Leyendo la base de datos ... 123413 ficheros o directorios instalados
actualmente.)
Purgando ficheros de configuración de timidity-daemon (2.14.0-8) ...
Purgando ficheros de configuración de timidity (2.14.0-8) ...
Procesando disparadores para systemd (244.3-1) ...

And everything came to work. Pavucontrol shows the devices, streams
and configurations. All media-players (audacious, mplayer, firefox,
audacity, etc.) work with default audio configuration, and even JACK
is working flawlessly. In fact, tested JACK (qjackctl) with qsynt and
vmpk and everything worked fine (maybe I don't even need timidity at
all?).

And then - testing if could reinstall - found the cause of the problem:

$ sudo apt-get install timidity
Leyendo lista de paquetes... Hecho
Creando árbol de dependencias
Leyendo la información de estado... Hecho
Paquetes sugeridos:
  fluid-soundfont-gs pmidi timidity-daemon
Se instalarán los siguientes paquetes NUEVOS:
  timidity
0 actualizados, 1 nuevos se instalarán, 0 para eliminar y 9 no actualizados.
Se necesita descargar 0 B/627 kB de archivos.
Se utilizarán 1.582 kB de espacio de disco adicional después de esta operación.
Obteniendo informes de fallo... Finalizado
Analizando información Encontrada/Corregida... Finalizado
Fallos critical del paquete timidity (→ 2.14.0-8) <Pendientes>
 b1 - #901148 - timidity: upgrading to 2.14.0-2 broke sound via pulseaudio
   Fusionado con: 902330 904652 918522
Resumen:
 timidity(1 fallo)
¿Está seguro de que desea instalar/actualizar los paquetes mostrados
anteriormente? [Y/n/?/...] n
*************************************************************
****** Saliendo con error para detener la instalación. ******
*************************************************************
E: El subproceso /usr/bin/apt-listbugs apt devolvió un código de error (10)
E: Failure running script /usr/bin/apt-listbugs apt

Don't know how that passed without me noticing it...

Last messages from: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901148#147

> After many tests I have found the solution about the
> bugs around timidity-daemon and pulseaudio.
>
> timidity-daemon installs an system-wide daemon. But
> pulseaudio is a user-wide "daemon".

I guess that explains the 'sudo works, non-sudo non-works'?

> With my appended patch the system-wide daemon will be
> removed and a xdg/autostart script will be installed.
>
> After that timidity together with pulseaudio runs
> perfectly.

> Now I have made new Debian packages for buster and testing
> including my patch:

That last's from 20 Feb 2020, maybe still not uploaded?

Should I mark this as 'SOLVED' in some manner?

Thanks a lot for everything. Andrei, you saved me. ^_^ (!)


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