:~$ gnome-settings-daemon --no-daemon --debug

** (gnome-settings-daemon:12121): WARNING **: Failed to acquire org.gnome.SettingsDaemon

** (gnome-settings-daemon:12121): WARNING **: Could not acquire name
** (gnome-settings-daemon:12121): DEBUG: SettingsDaemon finished
marco69@nexi:~$ sudo killall gnome-settings-daemon 
[sudo] password for marco69: 
marco69@nexi:~$ sudo killall gnome-settings-daemon 
gnome-settings-daemon: no process killed
marco69@nexi:~$ gnome-settings-daemon --no-daemon --debug
** (gnome-settings-daemon:12354): DEBUG: Successfully connected to D-Bus
** (gnome-settings-daemon:12354): DEBUG: Starting settings manager
** (gnome-settings-daemon:12354): DEBUG: Loading settings plugins from dir: /usr/lib/gnome-settings-daemon-2.0/
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/media-keys.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Media keys' file='/usr/lib/gnome-settings-daemon-2.0/media-keys.gnome-settings-plugin' location='media-keys'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/keybindings.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Keybindings' file='/usr/lib/gnome-settings-daemon-2.0/keybindings.gnome-settings-plugin' location='keybindings'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/xsettings.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='X Settings' file='/usr/lib/gnome-settings-daemon-2.0/xsettings.gnome-settings-plugin' location='xsettings'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/typing-break.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Typing Break' file='/usr/lib/gnome-settings-daemon-2.0/typing-break.gnome-settings-plugin' location='typing-break'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/screensaver.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Screensaver' file='/usr/lib/gnome-settings-daemon-2.0/screensaver.gnome-settings-plugin' location='screensaver'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/keyboard.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Keyboard' file='/usr/lib/gnome-settings-daemon-2.0/keyboard.gnome-settings-plugin' location='keyboard'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/background.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Background' file='/usr/lib/gnome-settings-daemon-2.0/background.gnome-settings-plugin' location='background'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/xrdb.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='X Resource Database' file='/usr/lib/gnome-settings-daemon-2.0/xrdb.gnome-settings-plugin' location='xrdb'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/a11y-keyboard.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Accessibility Keyboard' file='/usr/lib/gnome-settings-daemon-2.0/a11y-keyboard.gnome-settings-plugin' location='a11y-keyboard'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/font.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Font' file='/usr/lib/gnome-settings-daemon-2.0/font.gnome-settings-plugin' location='font'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/housekeeping.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Housekeeping' file='/usr/lib/gnome-settings-daemon-2.0/housekeeping.gnome-settings-plugin' location='housekeeping'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/xrandr.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='XRandR' file='/usr/lib/gnome-settings-daemon-2.0/xrandr.gnome-settings-plugin' location='xrandr'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/mouse.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Mouse' file='/usr/lib/gnome-settings-daemon-2.0/mouse.gnome-settings-plugin' location='mouse'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/clipboard.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Clipboard' file='/usr/lib/gnome-settings-daemon-2.0/clipboard.gnome-settings-plugin' location='clipboard'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/sound.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Sound' file='/usr/lib/gnome-settings-daemon-2.0/sound.gnome-settings-plugin' location='sound'
** (gnome-settings-daemon:12354): DEBUG: Loading plugin: /usr/lib/gnome-settings-daemon-2.0/dummy.gnome-settings-plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsPluginInfo: name='Dummy' file='/usr/lib/gnome-settings-daemon-2.0/dummy.gnome-settings-plugin' location='dummy'
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x1120680 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libxrandr.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdXrandrPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdXrandrPlugin
** (gnome-settings-daemon:12354): DEBUG: GsdXrandrPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating xrandr plugin
** (gnome-settings-daemon:12354): DEBUG: Starting xrandr manager
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated xrandr
** (gnome-settings-daemon:12354): DEBUG: Plugin xrandr: active
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x1120720 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libxsettings.so
** (gnome-settings-daemon:12354): DEBUG: Registering GnomeXSettingsPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GnomeXSettingsPlugin
** (gnome-settings-daemon:12354): DEBUG: GnomeXSettingsPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating xsettings plugin
** (gnome-settings-daemon:12354): DEBUG: Starting xsettings manager
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated xsettings
** (gnome-settings-daemon:12354): DEBUG: Plugin xsettings: active
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x1120800 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libfont.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdFontPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdFontPlugin
** (gnome-settings-daemon:12354): DEBUG: GsdFontPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating font plugin
** (gnome-settings-daemon:12354): DEBUG: Starting font manager
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated font
** (gnome-settings-daemon:12354): DEBUG: Plugin font: active
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x1120630 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libsound.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdSoundPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdSoundPlugin
** (gnome-settings-daemon:12354): DEBUG: GsdSoundPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating sound plugin
** (gnome-settings-daemon:12354): DEBUG: Starting sound manager
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated sound
** (gnome-settings-daemon:12354): DEBUG: Plugin sound: active
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x11204a0 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libkeyboard.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdKeyboardPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdKeyboardPlugin
** (gnome-settings-daemon:12354): DEBUG: GsdKeyboardPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating keyboard plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated keyboard
** (gnome-settings-daemon:12354): DEBUG: Plugin keyboard: active
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x11206d0 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libmouse.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdMousePlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdMousePlugin
** (gnome-settings-daemon:12354): DEBUG: GsdMousePlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating mouse plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated mouse
** (gnome-settings-daemon:12354): DEBUG: Plugin mouse: active
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x1120540 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/liba11y-keyboard.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdA11yKeyboardPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdA11yKeyboardPlugin
** (gnome-settings-daemon:12354): DEBUG: GsdA11yKeyboardPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating a11y_keyboard plugin
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated a11y-keyboard
** (gnome-settings-daemon:12354): DEBUG: Plugin a11y-keyboard: active
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x11205e0 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libkeybindings.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdKeybindingsPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdKeybindingsPlugin
** (gnome-settings-daemon:12354): DEBUG: GsdKeybindingsPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating keybindings plugin
** (gnome-settings-daemon:12354): DEBUG: Starting keybindings manager
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated keybindings
** (gnome-settings-daemon:12354): DEBUG: Plugin keybindings: active
** (gnome-settings-daemon:12354): DEBUG: Plugin xrdb: inactive
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x1120400 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libbackground.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdBackgroundPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdBackgroundPlugin
** (gnome-settings-daemon:12354): DEBUG: GsdBackgroundPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating background plugin
** (gnome-settings-daemon:12354): DEBUG: Starting background manager
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsManager: emitting plugin-activated background
** (gnome-settings-daemon:12354): DEBUG: Plugin background: active
** (gnome-settings-daemon:12354): DEBUG: GnomeSettingsModule 0x1120450 initialising
** (gnome-settings-daemon:12354): DEBUG: Loading /usr/lib/gnome-settings-daemon-2.0/libmedia-keys.so
** (gnome-settings-daemon:12354): DEBUG: Registering GsdMediaKeysPlugin
** (gnome-settings-daemon:12354): DEBUG: Creating object of type GsdMediaKeysPlugin
** (gnome-settings-daemon:12354): DEBUG: GsdMediaKeysPlugin initializing
** (gnome-settings-daemon:12354): DEBUG: Activating media_keys plugin

ERROR: Caught a segmentation fault while loading plugin file:
/usr/lib/gstreamer-0.10/libgstffmpeg.so

Please either:
- remove it and restart.
- run with --gst-disable-segtrap and debug.
Could not initialize GStreamer: Error re-scanning registry , child terminated by signal