Public bug reported:
When I boot the 2.6.24 kernel, gnome-power-manager shows two battery
devices, one of which changes indicated value only upon switching from
battery to AC (and not vice versa).
The old interface is through the ACPI 'battery' module, and shows up as
product "Li-Ion". This battery . The new interface is through the
'power_supply' module, and shows up as product 'Battery Bay'.
The old battery interface disappears upon removal; the new interface
indicates 0% and 'missing' instead, which is more proper behavior.
The old interface seems to no longer emit 'change' events to HAL, so the
value is not updated.
In addition, this duplication of battery seems to halve gnome-power-
manager's indicated wattage, but the ACPI power usage value given by
powertop seems unaffected.
Thankfully, none of this affects gnome-power-manager's battery-life
estimates, but I would imagine having these duplicate batteries, one of
which never changes, can screw up any existing battery profiles.
** Affects: ubuntu
Importance: Undecided
Status: New
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Hardy: new 2.6.24 'power_supply' interface confuses HAL (sees duplicate
batteries)
https://bugs.launchpad.net/bugs/181101
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