One possible issue is that /proc/acpi/power_resource/ is an empty directory. Otherwise, the ACPI information seems to be fine:
# cat /proc/acpi/ac_adapter/ACAD/state state: on-line # cat /proc/acpi/ac_adapter/ACAD/state state: off-line # cat /proc/acpi/battery/BAT0/state present: yes capacity state: ok charging state: discharging present rate: 0 mA remaining capacity: 7072 mAh present voltage: 12487 mV When I unplug the power cable, /proc/acpi/battery/BAT0/state (present rate) shows that current flowing from the battery. # cat /proc/acpi/button/lid/LID0/state state: closed # cat /proc/acpi/button/lid/LID0/state state: open - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/