Gnu/linux debian probleme sur compiz-fusion

sa donne sa http://shadowkiller.eu/compiz.png comme vous pouver le voir il et en bonne etat de fonctionnement mais c'est la page blanche le hic

quand je quite le programme par un ctrl-c tout redevient comme avant mais apres avoir fait la commande compiz il y a marque

shadowkiller@while-shadow:~$ compiz
Checking for Xgl: not present.
Detected PCI ID for VGA:
Checking for texture_from_pixmap: present.
Checking for non power of two support: present.
Checking for Composite extension: present.
Comparing resolution (1024x768) to maximum 3D texture size (2048): Passed.
Checking for nVidia: not present.
Checking for FBConfig: present.
Checking for Xgl: not present.
Starting gtk-window-decorator
Backend : ini
Integration : true
Profile : default
Adding plugin video (video)
Adding plugin fade (fade)
Adding plugin cube (cube)
Adding plugin water (water)
Adding plugin annotate (annotate)
Adding plugin dbus (dbus)
Adding plugin resize (resize)
Adding plugin zoom (zoom)
Adding plugin rotate (rotate)
Adding plugin glib (glib)
Adding plugin scale (scale)
Adding plugin screenshot (screenshot)
Adding plugin minimize (minimize)
Adding plugin svg (svg)
Adding plugin switcher (switcher)
Adding plugin fs (fs)
Adding core settings (General Options)
Adding plugin blur (blur)
Adding plugin move (move)
Adding plugin clone (clone)
Adding plugin wobbly (wobbly)
Adding plugin regex (regex)
Adding plugin inotify (inotify)
Adding plugin decoration (decoration)
Adding plugin png (png)
Adding plugin place (place)
Initializing core options...done
Initializing place options...done
Initializing move options...done
Initializing resize options...done
Initializing decoration options...done
Initializing wobbly options...done
Initializing cube options...done
Initializing fade options...done
Initializing minimize options...done
Initializing rotate options...done
Initializing scale options...done
Initializing switcher options...done
Initializing zoom options...done
^CAttempted to unregister path (path[0] = org path[1] = freedesktop) which isn't registered
Attempted to unregister path (path[0] = org path[1] = freedesktop) which isn't registered
Attempted to unregister path (path[0] = org path[1] = freedesktop) which isn't registered
/usr/bin/compiz: line 393: 11938 Erreur de segmentation ${COMPIZ_BIN_PATH}${COMPIZ_NAME} $COMPIZ_OPTIONS "$@" $COMPIZ_PLUGINS

merci de m'aide je suis sur un debian testing du noms de lenny

Bonsoir,
Le problème vient très certainement de :

Checking for Xgl: not présent. 

Xgl doit être lancé pour que le décorateur de fenêtres de compiz remplace celui d'origine.

Cordialement

noms car j'ai la meme chose sur mon autre ordi et il me le lance pourtant on a la meme carte graphique

ati 9600 XT j'ai