I see this as well, on my desktop. My session ends, but then the X server is respawned (presumably by gdm) during shutdown, displaying the default GNOME theme instead of the Ubuntu one. It stays there until sendsigs runs and kills all remaining processes.
I see this as well, on my desktop. My session ends, but then the X server is respawned (presumably by gdm) during shutdown, displaying the default GNOME theme instead of the Ubuntu one. It stays there until sendsigs runs and kills all remaining processes.