On Thu, 11 Oct 2018 21:00:40 +0300, Lars wrote in message
<08a8e443-ae0f-6857-18d7-48c58df46639@???>:

> Today when I plugged in external speakers or earbuds into the audio
> jack on my notebook, the sound no longer transfers from the built-in
> speakers to the jack. The sound stops in the built-in speakers as
> expected but it is not transferred to the jack.
>
> If I run pavucontrol and choose "playback" I can see the volume meter
> hopping around as the sounds are processed. Strangely, if I choose
> "output devices, port: speakers (unavilable)" I can also see the
> volume meter being active and if I choose "output devices, port:
> headphones (plugged in)" then the volume meter goes completely
> motionless after zeroing out. This is the opposite of what I
> expect. I had expected that when I plug in the headphones to the
> audio jack that the sound activity would be shown there.
>
> I booted Linux Mint 19's Live image and the audio jack functions as
> normal there so the problem seems to be with Devuan. I am open for
> ideas about how to resolve this so that the audio jack may be used
> again.

..tried alsamixer?

..disclaimer: I run alsa-1.1.3-1 on vdev-0.1.2, not eudev nor
systemd-udev etc.  Description:    Devuan GNU/Linux 2.0 (ascii) 
+ ascii-backports + experimental
4.18.0-0.bpo.1-rt-amd64

--
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.