/usr/bin/startxfce4: Starting X server X.Org X Server 1.19.2 Release Date: 2017-03-02 X Protocol Version 11, Revision 0 Build Operating System: Linux 4.9.16-gentoo x86_64 Gentoo Current Operating System: Linux indigo 4.9.16-gentoo #3 SMP Sat Mar 25 23:30:32 MSK 2017 x86_64 Kernel command line: root=PARTUUID=9ccc35a1-7558-436d-92fd-8734eebc7927 Build Date: 25 March 2017 10:42:33PM Current version of pixman: 0.34.0 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Sun Apr 2 18:21:52 2017 (==) Using config directory: "/etc/X11/xorg.conf.d" (==) Using system config directory "/usr/share/X11/xorg.conf.d" xfce4-session: No GPG agent found (xfsettingsd:3322): libupower-glib-WARNING **: Couldn't connect to proxy: Could not connect: No such file or directory ** (xfdesktop:3315): WARNING **: Thumbnailer failed calling GetFlavors (xfdesktop:3315): GVFS-RemoteVolumeMonitor-WARNING **: remote volume monitor with dbus name org.gtk.vfs.UDisks2VolumeMonitor is not supported (polkit-gnome-authentication-agent-1:3318): polkit-gnome-1-WARNING **: Error getting authority: Error initializing authority: Could not connect: No such file or directory (xfce4-panel:3314): Gtk-CRITICAL **: IA__gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed (xfce4-panel:3314): Gtk-CRITICAL **: gtk_box_pack: assertion 'GTK_IS_WIDGET (child)' failed (xfce4-panel:3314): Gtk-CRITICAL **: IA__gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed (xfce4-panel:3314): Gtk-CRITICAL **: gtk_box_pack: assertion 'GTK_IS_WIDGET (child)' failed (xfce4-panel:3314): Gtk-CRITICAL **: IA__gtk_widget_show: assertion 'GTK_IS_WIDGET (widget)' failed (xfce4-panel:3314): Gtk-CRITICAL **: gtk_box_pack: assertion 'GTK_IS_WIDGET (child)' failed (xfce4-session:3301): GLib-WARNING **: GError set over the top of a previous GError or uninitialized memory. This indicates a bug in someone's code. You must ensure an error is NULL before it's set. The overwriting error message was: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory (xfce4-session:3301): Gtk-CRITICAL **: IA__gtk_widget_set_visible: assertion 'GTK_IS_WIDGET (widget)' failed (xfce4-panel:3314): GLib-WARNING **: GChildWatchSource: Exit status of a child process was requested but ECHILD was received by waitpid(). Most likely the process is ignoring SIGCHLD, or some other thread is invoking waitpid() with a nonpositive first argument; either behavior can break applications that use g_child_watch_add()/g_spawn_sync() either directly or indirectly. (xfce4-session:3301): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed xinit: connection to X server lost waiting for X server to shut down xscreensaver: 18:22:02: SIGHUP received: restarting... xscreensaver: 18:22:02: running as user/user (1000/1000) xscreensaver: 18:22:02: Can't open display: :0.0 xscreensaver: 18:22:02: running as user/user (1000/1000) xscreensaver: 18:22:02: Errors at startup are usually authorization problems. But you're not logging in as root (good!) so something else must be wrong. Did you read the manual and the FAQ? https://www.jwz.org/xscreensaver/faq.html https://www.jwz.org/xscreensaver/man.html .(II) Server terminated successfully (0). Closing log file.