Ciao, I have some truble, after upgrade today I have the following packages for bluez, Dbus, and follow result of the push request.
Thanks in advance.

root@tammy:/media/cdrom0# dpkg -l | grep -i bluez
ii  bluez                                          4.12-0ubuntu4                         Bluetooth tools and daemons
ii  bluez-alsa                                     4.12-0ubuntu4                         Bluetooth audio support
ii  bluez-audio                                    3.36-1ubuntu2                         Bluetooth audio support
ii  bluez-btsco                                    1:0.50-0ubuntu3                       Bluez Bluetooth SCO tool
ii  bluez-cups                                     4.12-0ubuntu4                         Bluetooth printer driver for CUPS
ii  bluez-gnome                                    1.8-0ubuntu1                          Bluetooth utilities for GNOME
ii  bluez-gstreamer                                4.12-0ubuntu4                         Bluetooth gstreamer support
ii  bluez-input                                    3.36-1ubuntu2                         Bluetooth input support
ii  bluez-network                                  3.36-1ubuntu2                         Bluetooth network support
ii  bluez-serial                                   3.36-1ubuntu2                         Bluetooth serial support
ii  bluez-utils                                    4.12-0ubuntu4                         Transitional package
ii  libbluetooth-dev                               4.12-0ubuntu4                         Development files for using the BlueZ Linux 
ii  libbluetooth2                                  3.36-1                                Library to use the BlueZ Linux Bluetooth sta
ii  libbluetooth3                                  4.12-0ubuntu4                         Library to use the BlueZ Linux Bluetooth sta

root@tammy:/media/cdrom0# dpkg -l | grep -i Dbus
ii  dbus                                           1.2.4-0ubuntu1                        simple interprocess messaging system
ii  dbus-x11                                       1.2.4-0ubuntu1                        simple interprocess messaging system (X11 de
ii  libcryptui0                                    2.24.1-0ubuntu1                       the UI library for DBUS functions exported b
ii  libdbus-1-3                                    1.2.4-0ubuntu1                        simple interprocess messaging system
ii  libdbus-1-dev                                  1.2.4-0ubuntu1                        simple interprocess messaging system (develo
ii  libdbus-1-qt3                                  0.9-0ubuntu1                          dbus bindings for Qt 3 (backport of the Qt 4
ii  libdbus-1-qt3-dev                              0.9-0ubuntu1                          dbus bindings for Qt 3 (backport of the Qt 4
ii  libdbus-glib-1-2                               0.76-1                                simple interprocess messaging system (GLib-b
ii  libdbus-qt-1-1c2                               0.62.git.20060814-2build1             simple interprocess messaging system (Qt-bas
ii  libndesk-dbus-glib1.0-cil                      0.4.1-1                               CLI implementation of D-Bus (GLib mainloop i
ii  libndesk-dbus1.0-cil                           0.6.0-1                               CLI implementation of D-Bus
ii  libnet-dbus-perl                               0.33.6-1build2                        Extension for the DBus bindings
ii  libpolkit-dbus2                                0.9-1ubuntu3                          library for accessing PolicyKit via D-Bus
ii  libqt4-dbus                                    4.4.3-0ubuntu1                        Qt 4 D-Bus module
rc  libstrigiqtdbusclient0                         0.5.11-1                              library for writing D-Bus clients for Strigi
ii  python-dbus                                    0.82.4-2                              simple interprocess messaging system (Python
ii  ubuntu-system-service                          0.1.10                                Dbus service to set various system-wide conf

root@tammy:/media/cdrom0# dbus-send --system --print-reply --dest=org.bluez /org/bluez/hci0/00:19:63:B3:A1:6C org.bluez.Device.GetProperties

process 17663: arguments to dbus_message_new_method_call() were incorrect, assertion "_dbus_check_is_valid_path (path)" failed in file dbus-message.c line 1074.
This is normally a bug in some application using the D-Bus library.
process 17663: arguments to dbus_message_set_auto_start() were incorrect, assertion "message != NULL" failed in file dbus-message.c line 2488.
This is normally a bug in some application using the D-Bus library.
Couldn't allocate D-Bus message