Bonjour,
J'ai réussi à revenir à la situation antérieure, en réinstallant Unity. Donc actuellement quand j'allume l'ordinateur tout s'affiche normalement, mais dès que la souris reste pointée sur la barre de lancement, elle disparaît avec la barre de menu, puis tout disparaît (sauf fond d'écran) puis tout revient. Idem quand je veut éteindre l'ordinateur par la roue dentée qui permet de gérer la session. Je continue à chercher dans la documentation et le forum, je vais essayer d'être moins "bourrin", mais si quelqu'un a une idée, je suis toujours preneur.
J'ajoute les résultat de compiz --debug
marion@marion-HP-Compaq-6910p:~$ compiz --debug
compiz (core) - Info: Loading plugin: core
compiz (core) - Debug: Trying to load core from: /home/marion/.compiz-1/plugins/libcore.so
compiz (core) - Debug: dlopen failed: /home/marion/.compiz-1/plugins/libcore.so: cannot open shared object file: No such file or directory
compiz (core) - Debug: Trying to load core from: /usr/lib/i386-linux-gnu/compiz/libcore.so
compiz (core) - Debug: dlopen failed: /usr/lib/i386-linux-gnu/compiz/libcore.so: cannot open shared object file: No such file or directory
compiz (core) - Debug: Trying to load core from: /usr/lib/compiz/libcore.so
compiz (core) - Debug: dlopen failed: /usr/lib/compiz/libcore.so: cannot open shared object file: No such file or directory
compiz (core) - Info: Starting plugin: core
compiz (core) - Debug: Started plugin: core
compiz (core) - Error: Screen 0 on display ":0" already has a window manager; try using the --replace option to replace the current window manager.
compiz (core) - Info: Stopping plugin: core
compiz (core) - Debug: Stopped plugin: core
compiz (core) - Info: Unloading plugin: core
et unity --debug
marion@marion-HP-Compaq-6910p:~$ unity --debug
unity-panel-service stop/waiting
unity7 stop/waiting
unity-panel-service start/running, process 5708
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
/usr/bin/compiz (core) - Info: Loading plugin: core
/usr/bin/compiz (core) - Info: Starting plugin: core
[New Thread 0xb768ab40 (LWP 5714)]
/usr/bin/compiz (core) - Info: Loading plugin: ccp
/usr/bin/compiz (core) - Info: Starting plugin: ccp
[New Thread 0xb4d17b40 (LWP 5768)]
compizconfig - Info: Backend : gsettings
compizconfig - Info: Integration : true
compizconfig - Info: Profile : unity
/usr/bin/compiz (core) - Info: Loading plugin: composite
/usr/bin/compiz (core) - Info: Starting plugin: composite
[New Thread 0xb43dab40 (LWP 5779)]
/usr/bin/compiz (core) - Info: Loading plugin: opengl
/usr/bin/compiz (core) - Info: Starting plugin: opengl
/usr/bin/Compiz (opengl) - Info: GLX_EXT_buffer_age is supported
/usr/bin/compiz (core) - Info: Loading plugin: copytex
/usr/bin/compiz (core) - Info: Starting plugin: copytex
/usr/bin/compiz (core) - Info: Loading plugin: regex
/usr/bin/compiz (core) - Info: Starting plugin: regex
/usr/bin/compiz (core) - Info: Loading plugin: move
/usr/bin/compiz (core) - Info: Starting plugin: move
/usr/bin/compiz (core) - Info: Loading plugin: compiztoolbox
/usr/bin/compiz (core) - Info: Starting plugin: compiztoolbox
/usr/bin/compiz (core) - Info: Loading plugin: commands
/usr/bin/compiz (core) - Info: Starting plugin: commands
/usr/bin/compiz (core) - Info: Loading plugin: vpswitch
/usr/bin/compiz (core) - Info: Starting plugin: vpswitch
/usr/bin/compiz (core) - Info: Loading plugin: animation
/usr/bin/compiz (core) - Info: Starting plugin: animation
/usr/bin/compiz (core) - Info: Loading plugin: resize
/usr/bin/compiz (core) - Info: Starting plugin: resize
/usr/bin/compiz (core) - Info: Loading plugin: wall
/usr/bin/compiz (core) - Info: Starting plugin: wall
/usr/bin/compiz (core) - Info: Loading plugin: grid
/usr/bin/compiz (core) - Info: Starting plugin: grid
/usr/bin/compiz (core) - Info: Loading plugin: mousepoll
/usr/bin/compiz (core) - Info: Starting plugin: mousepoll
/usr/bin/compiz (core) - Info: Loading plugin: snap
/usr/bin/compiz (core) - Info: Starting plugin: snap
/usr/bin/compiz (core) - Info: Loading plugin: workarounds
/usr/bin/compiz (core) - Info: Starting plugin: workarounds
/usr/bin/compiz (core) - Info: Loading plugin: place
/usr/bin/compiz (core) - Info: Starting plugin: place
/usr/bin/compiz (core) - Info: Loading plugin: imgpng
/usr/bin/compiz (core) - Info: Starting plugin: imgpng
/usr/bin/compiz (core) - Info: Loading plugin: fade
/usr/bin/compiz (core) - Info: Starting plugin: fade
/usr/bin/compiz (core) - Info: Loading plugin: unitymtgrabhandles
/usr/bin/compiz (core) - Info: Starting plugin: unitymtgrabhandles
/usr/bin/compiz (core) - Info: Loading plugin: expo
/usr/bin/compiz (core) - Info: Starting plugin: expo
/usr/bin/compiz (core) - Info: Loading plugin: session
/usr/bin/compiz (core) - Info: Starting plugin: session
/usr/bin/compiz (core) - Info: Loading plugin: scale
/usr/bin/compiz (core) - Info: Starting plugin: scale
/usr/bin/compiz (core) - Info: Loading plugin: ezoom
/usr/bin/compiz (core) - Info: Starting plugin: ezoom
/usr/bin/compiz (core) - Info: Loading plugin: unityshell
/usr/bin/compiz (core) - Info: Starting plugin: unityshell
[New Thread 0xadcf7b40 (LWP 5858)
WARN 2018-01-12 14:41:14 unity.glib.dbus.server GLibDBusServer.cpp:593 Can't register object 'org.gnome.Shell' yet as we don't have a connection, waiting for it...
[New Thread 0xad41ab40 (LWP 5859)]
WARN 2018-01-12 14:41:14 unity.debug.interface DebugDBusInterface.cpp:217 Unable to load entry point in libxpathselect: libxpathselect.so.1.4: Ne peut ouvrir le fichier d'objet partagé: Aucun fichier ou dossier de ce type -- full D-Bus introspection will not be available
WARN 2018-01-12 14:41:14 xim.controller XIMController.cpp:103 IBus natively supported.
WARN 2018-01-12 14:41:14 unity.dash.gsettingsscopereader GSettingsScopes.cpp:108 Error fetching protocol metadata for scope: social.scope : Impossible de trouver un fichier de clés valide dans les répertoires de recherche
WARN 2018-01-12 14:41:15 unity.glib.dbus.server GLibDBusServer.cpp:593 Can't register object 'com.canonical.Unity.Launcher' yet as we don't have a connection, waiting for it...
WARN 2018-01-12 14:41:15 unity.glib.dbus.server GLibDBusServer.cpp:593 Can't register object 'com.canonical.Unity.Dash' yet as we don't have a connection, waiting for it...
WARN 2018-01-12 14:41:15 unity.glib.dbus.server GLibDBusServer.cpp:593 Can't register object 'org.gnome.SessionManager.EndSessionDialog' yet as we don't have a connection, waiting for it...
WARN 2018-01-12 14:41:15 unity.glib.dbus.server GLibDBusServer.cpp:593 Can't register object 'com.canonical.Unity.Session' yet as we don't have a connection, waiting for it...
WARN 2018-01-12 14:41:15 unity.glib.dbus.server GLibDBusServer.cpp:593 Can't register object 'org.gnome.ScreenSaver' yet as we don't have a connection, waiting for it...
[Thread 0xad41ab40 (LWP 5859) exited]
ERROR 2018-01-12 14:41:16 unity.glib.dbus.server GLibDBusServer.cpp:538 DBus name lost 'org.gnome.Shell'
ERROR 2018-01-12 14:41:16 unity.glib.dbus.server GLibDBusServer.cpp:538 DBus name lost 'com.canonical.Unity'
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
WARN 2018-01-12 14:41:16 unity.key.gnome.grabber GnomeKeyGrabber.cpp:108 Trying to grab a disabled action, we skip it
[Thread 0xadcf7b40 (LWP 5858) exited]
[New Thread 0xadcf7b40 (LWP 5872)]
[New Thread 0xad41ab40 (LWP 5873)]
[New Thread 0xab58ab40 (LWP 5874)]
[New Thread 0xaad89b40 (LWP 5875)]
[New Thread 0xaa588b40 (LWP 5876)]
[New Thread 0xa9d87b40 (LWP 5877)]
[New Thread 0xa9586b40 (LWP 5878)]
[New Thread 0xa8d85b40 (LWP 5879)]
[New Thread 0xa8584b40 (LWP 5880)]
[New Thread 0xa7d83b40 (LWP 5881)]
[Thread 0xadcf7b40 (LWP 5872) exited]
[Thread 0xa7d83b40 (LWP 5881) exited]
[Thread 0xa9586b40 (LWP 5878) exited]
[Thread 0xab58ab40 (LWP 5874) exited]
[Thread 0xad41ab40 (LWP 5873) exited]
[Thread 0xaad89b40 (LWP 5875) exited]
[Thread 0xaa588b40 (LWP 5876) exited]
[Thread 0xa8584b40 (LWP 5880) exited]
[Thread 0xa8d85b40 (LWP 5879) exited]
[Thread 0xa9d87b40 (LWP 5877) exited]
[New Thread 0xa9d87b40 (LWP 6274)]
[New Thread 0xa8d85b40 (LWP 6275)]
[Thread 0xa9d87b40 (LWP 6274) exited]
javaldx: Could not find a Java Runtime Environment!
Warning: failed to read path from javaldx
(soffice:6293): Gdk-WARNING **: gdk_window_set_icon_list: icons too large
(soffice:6293): Gdk-WARNING **: gdk_window_set_icon_list: icons too large
[Thread 0xa8d85b40 (LWP 6275) exited]
Et après avoir attendu quelques minutes (heures), j'ai fermé le terminal alors qu'à priori il y avait encore un processus actif...
Si ça inspire quelqu'un 🙂