[pulseaudio-discuss] Since pulseaudio 5 speaker output is on headphones channel, and plugging/unplugging headphones resets settings

Tanu Kaskinen tanuk at iki.fi
Sun Jan 3 23:01:27 PST 2016

On Sun, 2016-01-03 at 14:37 +0100, Mark Caglienzi wrote:
> On Tue, 2015-12-29 at 21:50 +0200, Tanu Kaskinen wrote:
> > Not all symptoms point to it, but one known source of volume resets is
> > that both your regular user and gdm run their own pulseaudio daemons,
> > and plugging in and unplugging headphones causes interference between
> > the two. If you kill the pulseaudio process that gdm created, do things
> > get better? Note that once you kill the process, gdm will respawn a new
> > daemon instance, but that's ok, because it won't be able to access the
> > mixer as long as you keep your login session active.
> Thanks for the reply, but I don't use gdm on my system.
> My machine is a Debian testing (stretch, at the moment) installation,
> with fluxbox as window manager and lightdm as graphical login manager.

When you are logged in, does "ps aux" show multiple pulseaudio
instances running? Maybe lightdm works similarly to gdm.


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