[pulseaudio-discuss] run pulseaudio with DBUS_SESSION_BUS_ADDRESS set

[Arun Raghavan]

On Mon, 13 Jun 2016, at 10:00 AM, Marco Trapanese wrote:
> Hello,
> on Debian Jessie I'm running pulseaudio 8.0 in user mode (i.e. 
> pulseaudio -D).
> 
> In order to run other applications I need to set:
> 
> > DBUS_SESSION_BUS_ADDRESS=unix:path=/var/run/dbus/system_bus_socket
> 
> but now pulseaudio refuses to start:
> 
> > Failed to acquire org.PulseAudio1: org.freedesktop.DBus.Error.AccessDenied: Connection ":1.27" is not allowed to own the service "org.PulseAudio1" due to security policies in the configuration file
> 
> Here the /usr/local/etc/dbus-1/system.d/pulseaudio-system.conf contents:
> 
> > <busconfig>
> >
> >   <!-- System-wide PulseAudio runs as 'pulse' user. This fragment is
> >        not necessary for user PulseAudio instances. -->
> >
> >   <policy user="pulse">
> >     <allow own="org.pulseaudio.Server"/>
> >   </policy>
> >
> > </busconfig>
> 
> but as far as I understand this file is useless because I'm running 
> pulseaudio as "pi" user.
> 
> It returns to work if I unset the DBUS_SESSION_BUS_ADDRESS variable.
> Please, would you help me to understand what's happening?

The default configuration allows you to listen on the system bus in
system-wide mode, that's why the config is set up that way.

-- Arun