Hi, I'm being hit by the same bug, it happens when g-p-m is running and I either connect the PC to the power adapter or disconnect it from it (even if the battery is FULL)
The output of gnome-power-bugreport is attached. Cheers Antonio
Distro version: squeeze/sid Kernel version: 2.6.30-2-686 g-p-m version: 2.28.3 HAL version: 0.5.14 System manufacturer: missing System version: missing System product: missing AC adapter present: yes Battery present: yes Laptop panel present: no CPU scaling present: no Battery Information: battery.charge_level.current = 34132 (0x8554) (int) battery.charge_level.design = 48840 (0xbec8) (int) battery.charge_level.last_full = 36663 (0x8f37) (int) battery.charge_level.percentage = 93 (0x5d) (int) battery.charge_level.rate = 11255 (0x2bf7) (int) battery.is_rechargeable = true (bool) battery.model = 'Internal Battery' (string) battery.present = true (bool) battery.rechargeable.is_charging = true (bool) battery.rechargeable.is_discharging = false (bool) battery.remaining_time = 809 (0x329) (int) battery.reporting.current = 3075 (0xc03) (int) battery.reporting.design = 4400 (0x1130) (int) battery.reporting.last_full = 3303 (0xce7) (int) battery.reporting.rate = 1014 (0x3f6) (int) battery.reporting.technology = 'Li-ion' (string) battery.reporting.unit = 'mAh' (string) battery.serial = '' (string) battery.technology = 'lithium-ion' (string) battery.type = 'primary' (string) battery.vendor = 'Generic Charger' (string) battery.voltage.current = 12541 (0x30fd) (int) battery.voltage.design = 11100 (0x2b5c) (int) battery.voltage.unit = 'mV' (string) DeviceKit data: /usr/share/gnome-power-manager/gnome-power-bugreport: 80: devkit-power: not found GNOME Power Manager Process Information: nightolo 3261 0.0 1.5 30812 6864 ? S 18:50 0:00 \_ gnome-power-manager HAL Process Information: 102 2130 0.0 0.4 6660 2056 ? Ss 18:49 0:00 /usr/sbin/hald root 2131 0.0 0.2 3328 932 ? S 18:49 0:00 \_ hald-runner root 2206 0.0 0.2 3392 976 ? S 18:49 0:00 \_ hald-addon-input: Listening on /dev/input/event0 /dev/input/event5 /dev/input/event1 /dev/input/event2 /dev/input/event3 root 2241 0.0 0.2 3396 960 ? D 18:49 0:00 \_ hald-addon-storage: polling /dev/hdc (every 2 sec) 102 2246 0.0 0.2 3244 972 ? S 18:49 0:00 \_ /usr/lib/hal/hald-addon-acpi