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Org.gnome.SessionManager on Ubuntu 12.04 chroot

I am trying to test a totem in minimal chroot (host and chroot like ubuntu 12.04 amd64). When I upload a video, I get an error

** (totem:25660): WARNING **: Problem inhibiting the screensaver: GDBus.Error:
org.freedesktop.DBus.Error.NameHasNoOwner: Name "org.gnome.SessionManager" does not exist

In fact, the screen will be turned off (inactive session) while watching a video. To confirm, I tested with python:

>>> import dbus
>>> bus = dbus.SessionBus()
>>> bus.get_object('org.gnome.SessionManager','/org/gnome/SessionManager')

and get an error

dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name
org.gnome.SessionManager was not provided by any .service files

Does anyone know which packages will provide the org.gnome.SessionManager dbus interface in chroot? After searching on this issue, I tried gnome-session, gnome-session-common and gnome-session-bin to no avail.

Searching packages.ubuntu.com and the full 12.04 system where both of these work correctly, there is no package providing a file called org.gnome.SessionManager.service, so what kind of .service file is it looking for ?.

+2
1

, , , :

$ qdbus org.freedesktop.DBus / org.freedesktop.DBus.GetNameOwner org.kde.klipper
:1.82
$ qdbus org.freedesktop.DBus / org.freedesktop.DBus.GetConnectionUnixProcessID :1.82
1441
$ readlink /proc/1441/exe
/usr/bin/kdeinit4
$ rpm -qf /usr/bin/kdeinit4           # in your case dpkg -S /path/to/program
kdelibs4-4.7.2-5.5.1.x86_64
0

Source: https://habr.com/ru/post/1526068/

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