Public bug reported:

Pipewire is not porperly working, sound devices are listed in alsamixer,
aplay and system settings but there is no audio from the pc.

The only info i got is from journalctl is this output:

oct 31 19:33:09 leo-zenbook pipewire-pulse[1095]: mod.rt: Can't find 
xdg-portal: (null)
oct 31 19:33:09 leo-zenbook pipewire-pulse[1095]: mod.rt: found session bus but 
no portal
oct 31 19:33:09 leo-zenbook pipewire[1091]: mod.rt: Can't find xdg-portal: 
(null)
oct 31 19:33:09 leo-zenbook pipewire[1091]: mod.rt: found session bus but no 
portal
oct 31 19:33:09 leo-zenbook dbus-daemon[709]: [system] Activating via systemd: 
service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' 
requested by ':1.31' (uid=125 pid=1095 comm="/usr/bin/pipewire-pulse")
oct 31 19:33:09 leo-zenbook pipewire-pulse[1162]: 536870912
oct 31 19:33:16 leo-zenbook pipewire[1618]: mod.rt: Can't find xdg-portal: 
(null)
oct 31 19:33:16 leo-zenbook pipewire[1618]: mod.rt: found session bus but no 
portal
oct 31 19:33:16 leo-zenbook pipewire-pulse[1622]: mod.rt: Can't find 
xdg-portal: (null)
oct 31 19:33:16 leo-zenbook pipewire-pulse[1622]: mod.rt: found session bus but 
no portal
oct 31 19:33:16 leo-zenbook pipewire-pulse[1691]: 536870912
oct 31 19:33:29 leo-zenbook wireplumber[1094]: disconnected from pipewire
oct 31 19:39:40 leo-zenbook polkitd(authority=local)[721]: Operator of 
unix-session:2 successfully authenticated as unix-user:leo to gain ONE-SHOT 
authorization for action com.ubuntu.apport.root-info for 
unix-process:4109:40542 [/usr/bin/python3 /usr/share/apport/apport-gtk 
pipewire] (owned by unix-user:leo)

I've tried to google if there is a workaround and there isn't any.
Looks like it's not a kernel issue as i've tested this with 5.18, 5.19 and even 
6 for testing purposes and the result was the same.

$ lsb_release -rd
Description:    Ubuntu 22.10
Release:        22.10

$ apt-cache policy pipewire
pipewire:
  Instalados: 0.3.58-2ubuntu1
  Candidato:  0.3.58-2ubuntu1
  Tabla de versión:
 *** 0.3.58-2ubuntu1 500
        500 http://ar.archive.ubuntu.com/ubuntu kinetic/main amd64 Packages
        100 /var/lib/dpkg/status

Expected: To get audio from sound device
Actual result: Audio is not working, as pipewire throws errors.

ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: pipewire 0.3.58-2ubuntu1
Uname: Linux 6.0.6-060006-generic x86_64
ApportVersion: 2.23.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 31 19:39:34 2022
InstallationDate: Installed on 2022-10-31 (0 days ago)
InstallationMedia: Ubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020)
ProcEnviron:
 LANGUAGE=es_AR:es
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_AR.UTF-8
 SHELL=/bin/bash
SourcePackage: pipewire
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: pipewire (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug kinetic wayland-session

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https://bugs.launchpad.net/bugs/1995313

Title:
  No sound with Pipewire - mod.rt: Can't find xdg-portal: (null)

Status in pipewire package in Ubuntu:
  New

Bug description:
  Pipewire is not porperly working, sound devices are listed in
  alsamixer, aplay and system settings but there is no audio from the
  pc.

  The only info i got is from journalctl is this output:

  oct 31 19:33:09 leo-zenbook pipewire-pulse[1095]: mod.rt: Can't find 
xdg-portal: (null)
  oct 31 19:33:09 leo-zenbook pipewire-pulse[1095]: mod.rt: found session bus 
but no portal
  oct 31 19:33:09 leo-zenbook pipewire[1091]: mod.rt: Can't find xdg-portal: 
(null)
  oct 31 19:33:09 leo-zenbook pipewire[1091]: mod.rt: found session bus but no 
portal
  oct 31 19:33:09 leo-zenbook dbus-daemon[709]: [system] Activating via 
systemd: service name='org.freedesktop.RealtimeKit1' 
unit='rtkit-daemon.service' requested by ':1.31' (uid=125 pid=1095 
comm="/usr/bin/pipewire-pulse")
  oct 31 19:33:09 leo-zenbook pipewire-pulse[1162]: 536870912
  oct 31 19:33:16 leo-zenbook pipewire[1618]: mod.rt: Can't find xdg-portal: 
(null)
  oct 31 19:33:16 leo-zenbook pipewire[1618]: mod.rt: found session bus but no 
portal
  oct 31 19:33:16 leo-zenbook pipewire-pulse[1622]: mod.rt: Can't find 
xdg-portal: (null)
  oct 31 19:33:16 leo-zenbook pipewire-pulse[1622]: mod.rt: found session bus 
but no portal
  oct 31 19:33:16 leo-zenbook pipewire-pulse[1691]: 536870912
  oct 31 19:33:29 leo-zenbook wireplumber[1094]: disconnected from pipewire
  oct 31 19:39:40 leo-zenbook polkitd(authority=local)[721]: Operator of 
unix-session:2 successfully authenticated as unix-user:leo to gain ONE-SHOT 
authorization for action com.ubuntu.apport.root-info for 
unix-process:4109:40542 [/usr/bin/python3 /usr/share/apport/apport-gtk 
pipewire] (owned by unix-user:leo)

  I've tried to google if there is a workaround and there isn't any.
  Looks like it's not a kernel issue as i've tested this with 5.18, 5.19 and 
even 6 for testing purposes and the result was the same.

  $ lsb_release -rd
  Description:  Ubuntu 22.10
  Release:      22.10

  $ apt-cache policy pipewire
  pipewire:
    Instalados: 0.3.58-2ubuntu1
    Candidato:  0.3.58-2ubuntu1
    Tabla de versión:
   *** 0.3.58-2ubuntu1 500
          500 http://ar.archive.ubuntu.com/ubuntu kinetic/main amd64 Packages
          100 /var/lib/dpkg/status

  Expected: To get audio from sound device
  Actual result: Audio is not working, as pipewire throws errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.10
  Package: pipewire 0.3.58-2ubuntu1
  Uname: Linux 6.0.6-060006-generic x86_64
  ApportVersion: 2.23.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Oct 31 19:39:34 2022
  InstallationDate: Installed on 2022-10-31 (0 days ago)
  InstallationMedia: Ubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020)
  ProcEnviron:
   LANGUAGE=es_AR:es
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=es_AR.UTF-8
   SHELL=/bin/bash
  SourcePackage: pipewire
  UpgradeStatus: No upgrade log present (probably fresh install)

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