I switched use_time_for_policy off and have just been able to survive the emptying of my second battery and the system is now running on the second battery.
so the work around appears to work. thanks -- Dual / Two Batteries, shutdown on empty expansion battery. (GPM does not recognises second battery on hotplug) https://launchpad.net/bugs/60442 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs