https://bugzilla.kernel.org/show_bug.cgi?id=15867

           Summary: Battery state not reported correctly
           Product: ACPI
           Version: 2.5
    Kernel Version: 2.6.24-rc5-19-pae
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Power-Battery
        AssignedTo: acpi_power-batt...@kernel-bugs.osdl.org
        ReportedBy: hector1...@gmail.com
        Regression: No


At boot: 

When I boot up without the battery in my laptop the kernel reports that the
battery is still there and that it is empty (charged at 0%). Coming back from
suspend to ram or suspend to disk will cause the detection that the battery is
not present.

Also:

When it is AC adaptor-no battery state is correctly detected, if i go to
suspend, insert the battery, disconnect the adaptor, and come back from
suspend, kernel doesn't detect the new battery-only state. Pluging and
unplugging the AC adaptor fixes it.


This problem has been happening for as long as i can remember (2.6.27...?). The
main implication concerns that the power-saving mechanisms are not turned on
when the battery presence is misdetected.

Let me know if i can be any help attaching other infos...

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