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Issue created by Andrei Amuraritei@amurariteiandrei

mod.rt: Can't find org.freedesktop.portal.Desktop. Is xdg-desktop-portal running? Warning

PipeWire version (pipewire --version):

pipewire
Compiled with libpipewire 0.3.65
Linked with libpipewire 0.3.65
  • Distribution and distribution version (PRETTY_NAME from /etc/os-release):
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
  • Desktop Environment:
KDE Plasma Version: 5.27.2
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Graphics Platform: Wayland
  • Kernel version (uname -r):
6.2.12-x64v3-xanmod1 (64-bit)

Description of Problem:

Hello guys,

Since 6d58c739 (pipewire 0.3.64) I guess, we're having these:

sudo journalctl -e -p warning --grep mod.rt

Mai 03 00:18:28 andreidesk pipewire[1176]: mod.rt: Can't find org.freedesktop.portal.Desktop. Is xdg-desktop-portal running?
Mai 03 00:18:28 andreidesk pipewire-pulse[1178]: mod.rt: Can't find org.freedesktop.portal.Desktop. Is xdg-desktop-portal running?
Mai 03 00:18:28 andreidesk pipewire-pulse[1178]: mod.rt: found session bus but no portal
Mai 03 00:18:28 andreidesk pipewire[1176]: mod.rt: found session bus but no portal
Mai 03 00:18:36 andreidesk pipewire-pulse[1601]: mod.rt: Can't find org.freedesktop.portal.Desktop. Is xdg-desktop-portal running?
Mai 03 00:18:36 andreidesk pipewire-pulse[1601]: mod.rt: found session bus but no portal
Mai 03 00:18:36 andreidesk pipewire[1599]: mod.rt: Can't find org.freedesktop.portal.Desktop. Is xdg-desktop-portal running?
Mai 03 00:18:36 andreidesk pipewire[1599]: mod.rt: found session bus but no portal

While the messages are just a warning, in a running desktop session, they can be quite confusing (which is a bit the opposite of the intent from the commit). Of course xdg-desktop-portal is running, but the Dbus session is per-user, and these warnings seem to be generated because mod.rt is looking for a per-system session (so far as I understand the code of the commit) and logging.

Could we prevent this logging if a running per-user session is detected? Or at the minimum, maybe rephrase the message to better indicate why it appears?

How Reproducible:

Have pipewire > 0.3.64 installed and running

Steps to Reproduce:

  1. Log into a Graphical Session
  2. Open a terminal
  3. sudo journalctl -e -p warning --grep mod.rt

Actual Results:

mod.rt: Can't find org.freedesktop.portal.Desktop. Is xdg-desktop-portal running?

Have not tested yet pipewire > 0.3.65.