Le voici, je n'y ai pas touché depuis hier soir (lorsque ce problème est survenu) et tout a l'air de tourner normalement en changeant juste de noyau sur lequel booter (2.6.20-1.2933.fc6 au lieu de 2.6.20-1.2944.fc6) :-? :
# GDM Configuration Customization file.
#
# This file is the appropriate place for specifying your customizations to the
# GDM configuration. If you run gdmsetup, it will automatically edit this
# file for you and will cause the daemon and any running GDM GUI programs to
# automatically update with the new configuration. Not all configuration
# options are supported by gdmsetup, so to modify some values it may be
# necessary to modify this file directly by hand.
#
# Older versions of GDM used the "gdm.conf" file for configuration. If your
# system has an old gdm.conf file on the system, it will be used instead of
# this file - so changes made to this file will not take effect. Consider
# migrating your configuration to this file and removing the gdm.conf file.
#
# To hand-edit this file, simply add or modify the key=value combination in
# the appropriate section in the template below. Refer to the comments in the
# /usr/share/gdm/defaults.conf file for information about each option. Also
# refer to the reference documentation.
#
# If you hand edit a GDM configuration file, you should run the following
# command to get the GDM daemon to notice the change. Any running GDM GUI
# programs will also be notified to update with the new configuration.
#
# gdmflexiserver --command="UPDATE_CONFIG <configuration key>"
#
# e.g, the "Enable" key in the "[debug]" section would be "debug/Enable".
#
# You can also run gdm-restart or gdm-safe-restart to cause GDM to restart and
# re-read the new configuration settings. You can also restart GDM by sending
# a HUP or USR1 signal to the daemon. HUP behaves like gdm-restart and causes
# any user session started by GDM to exit immediately while USR1 behaves like
# gdm-safe-restart and will wait until all users log out before restarting GDM.
#
# For full reference documentation see the gnome help browser under
# GNOME|System category. You can also find the docs in HTML form on
# http://www.gnome.org/projects/gdm/
#
# NOTE: Lines that begin with "#" are considered comments.
#
# Have fun!
[daemon]
GdmXserverTimeout=60
RemoteGreeter=/usr/libexec/gdmgreeter
[security]
[xdmcp]
Enable=true
[gui]
[greeter]
SoundOnLoginFile=/usr/share/sounds/warning.wav
[chooser]
[debug]
# Note that to disable servers defined in the defaults.conf file (such as
# 0=Standard, you must put a line in this file that says 0=inactive, as
# described in the Configuration section of the GDM documentation.
#
[servers]
# Also note, that if you redefine a [server-foo] section, then GDM will
# use the definition in this file, not the defaults.conf file. It is
# currently not possible to disable a [server-foo] section defined
# in the defaults.conf file.
#
# Automatically configured by livna-config-display
[server-Xgl]
name=Xgl
command=/usr/bin/Xgl -ac -accel glx:pbuffer -accel xv:pbuffer
flexible=true
chooser=false
handled=true
priority=0
@phenix01 : J'ai remarqué qu'il était un peu différent du tien, en effet.
@ Nicofo : j'avais installé XGL via ton script, ensuite j'ai eu un conflit et Beryl ne s'est pas installé tandis que les drivers oui. Les drivers se sont mis à jour il y a pas si longtemps que ça et un panneau "Livna Display Configuration" est apparu dans mes menus d'administration. Les sessions Gnomes et KDE normales étaient sans effet, la seule chose que je pouvais encore lancer était le terminal de secour (je vous raconte pas comment elinks m'a été d'un grand secours ^^). Pour répondre à ta question, je suis possesseur d'une ATI 9600 PRO en AGP et tout porte à croire que les drivers étaient mal installés.
Voilà, c'est tout pour le moment, je vais essayer de faire un max tant que je suis sous Gnome et merci à vous 😉