Bug#619295: update-manager-gnome: Freeze with great load of CPU

[rpnpif]

Package: update-manager-gnome
Version: 0.200.5-1
Severity: important

When click on icon of update-manager-notifier in Gnome, the window opened then 
update-manager freezes with great CPU activity.

[   DEBUG:UpdateManager.Application] [got-root] Frontend uses privileged functions.
[   DEBUG:UpdateManager.Backend.PythonApt] Package system lock acquired.
[   DEBUG:UpdateManager.BugHandler] Installed exception handler <class 'UpdateManager.Frontend.GtkCommon.GtkExceptionHandler.GtkExceptionHandler'>.
[ WARNING:UpdateManager.Frontend.Gtk.ui] DBUS initialization failed: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
error from gconf: Échec lors de la connexion au serveur de configuration. Cela est généralement dû à un défaut (absence ou mauvaise configuration) du démon de bus de session D-Bus. Veuillez consulter http://projects.gnome.org/gconf/ pour plus d'informations. (Détails :  1: La connexion à la session a échoué : Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.)[   ERROR:UpdateManager.Frontend.Gtk.ui] Could not set launch_time via gconf: Échec lors de la connexion au serveur de configuration. Cela est généralement dû à un défaut (absence ou mauvaise configuration) du démon de bus de session D-Bus. Veuillez consulter http://projects.gnome.org/gconf/ pour plus d'informations. (Détails :  1: La connexion à la session a échoué : Did not receive a reply. Possible causes include: the remote applicat
 ion did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.)
[   DEBUG:UpdateManager.Frontend.Gtk.GtkProgress] GtkOpProgress initialized.
[   DEBUG:UpdateManager.Frontend.Gtk.GtkProgress] Changing to hidden mode.
[   DEBUG:UpdateManager.Frontend.Gtk.ui] Expander toggled.
[   DEBUG:UpdateManager.Frontend.Gtk.ui] State restored.
[   DEBUG:UpdateManager.Frontend.Gtk.ui] Main window made visible.
[   DEBUG:UpdateManager.Application] Reloading the package cache.
[   DEBUG:UpdateManager.Backend.PythonApt] Package system lock released.
[   DEBUG:UpdateManager.Backend.PythonApt] Package system lock acquired.
[   DEBUG:UpdateManager.Frontend.Gtk.GtkProgress] Cache loading begin.
[   DEBUG:UpdateManager.Frontend.Gtk.GtkProgress] Cache loading finished.
[   DEBUG:UpdateManager.Frontend.Gtk.ui] Updating treeview.
[   DEBUG:UpdateManager.Frontend.Gtk.ui] Update list store cleared.
[   DEBUG:UpdateManager.Frontend.Gtk.ui] Busy status set.
[   DEBUG:UpdateManager.Backend.PythonApt] Package system lock acquired.
[   DEBUG:UpdateManager.Backend.PythonApt] Package system lock released.


-- System Information:
Debian Release: 6.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages update-manager-gnome depends on:
ii  gconf2                2.28.1-6           GNOME configuration database syste
ii  gksu                  2.0.2-5            graphical frontend to su
ii  python                2.6.6-3+squeeze5   interactive high-level object-orie
ii  python-dbus           0.83.1-1           simple interprocess messaging syst
ii  python-gconf          2.28.1-1           Python bindings for the GConf conf
ii  python-gobject        2.21.4+is.2.21.3-1 Python bindings for the GObject li
ii  python-gtk2           2.17.0-4           Python bindings for the GTK+ widge
ii  python-support        1.0.10             automated rebuilding support for P
ii  python-vte            1:0.24.3-2         Python bindings for the VTE widget
ii  update-manager-core   0.200.5-1          APT update manager core functional

update-manager-gnome recommends no packages.

Versions of packages update-manager-gnome suggests:
ii  software-properties-gtk    0.60.debian-3 manage the repositories that you i
ii  update-notifier            0.99.3debian8 Daemon which notifies about packag

-- no debconf information