However, two upgrades for dbus right around the time the bug seemed to appear:
1. 10/15/2008
dbus (1.1.20-1ubuntu2) to 1.1.20-1ubuntu3.1
dbus-x11 (1.1.20-1ubuntu2) to 1.1.20-1ubuntu3.1
libdbus-1-3 (1.1.20-1ubuntu2) to 1.1.20-1ubuntu3.1
2. 11/12/2008
dbus (1.1.20-1ubuntu3.1) to 1.1.20-1ubuntu3.2
dbus-x11 (1.1.20-1ubuntu3.1) to 1.1.20-1ubuntu3.2
libdbus-1-3 (1.1.20-1ubuntu3.1) to 1.1.20-1ubuntu3.2
Before that, the last upgrade was back in May 2008.
No upgrades shown for gnome-power-manager
However, two upgrades for dbus right around the time the bug seemed to appear:
1. 10/15/2008
dbus (1.1.20-1ubuntu2) to 1.1.20-1ubuntu3.1
dbus-x11 (1.1.20-1ubuntu2) to 1.1.20-1ubuntu3.1
libdbus-1-3 (1.1.20-1ubuntu2) to 1.1.20-1ubuntu3.1
2. 11/12/2008
dbus (1.1.20-1ubuntu3.1) to 1.1.20-1ubuntu3.2
dbus-x11 (1.1.20-1ubuntu3.1) to 1.1.20-1ubuntu3.2
libdbus-1-3 (1.1.20-1ubuntu3.1) to 1.1.20-1ubuntu3.2
Before that, the last upgrade was back in May 2008.
hope this helps!