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Date: Thu, 26 Apr 2007 14:28:24 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: "Miles Lane" <miles.lane@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, linux-acpi@vger.kernel.org,
       Vladimir Lebedev <vladimir.p.lebedev@intel.com>,
       Len Brown <lenb@kernel.org>
Subject: Re: 2.6.21-rc7-mm2 -- gnome-power-manager always shows the power as
 coming from AC
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On Thu, 26 Apr 2007 12:13:00 -0700 "Miles Lane" <miles.lane@gmail.com> wrote:

> 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

hm, I'm looking suspiciously at "ACPI: Cache battery status instead of
re-evaluating AML".

What sort of machine is this?