I did some tests with my device with FriendlyArm and broke some important things. I can't login into the system. /var/log/lightdm/seat0-greeter.log contains a lot of (nm-applet:987): libnm-CRITICAL **: 12:29:15.144: ((libnm-core/nm-setting-connection.c:220)): assertion '<dropped>' failed strings which can be because of errors with notification-daemon
and this one:
(nm-applet:987): nm-applet-WARNING **: 12:29:22.518: Failed to show notification: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Notifications was not provided by any .service files
which proves my guess.
ls /usr/share/dbus-1/services/ | grep -i noti gives me nothing.
I tried to do: sudo apt install libnotify-cil-dev it doesn't work

[D-BUS Service]

to /usr/share/dbus-1/services/org.freedesktop.Notifications.service (notify-daemon package is installed and I checked that binary is available with this path) and this gave me new error:
(nm-applet:994): nm-applet-WARNING **: 13:30:32.786: Failed to show notification: Error calling StartServiceByName for org.freedesktop.Notifications: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.freedesktop.Notifications exited with status 1

What can I do now?

1 Answer 1


You need to install a notifier depending on the setup of your system, e.g. dunst or mako-notifier.

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