ACPI & battery issues

[Eitan Adler]

On Sat, Oct 2, 2010 at 4:01 PM,  <four.harrisons at googlemail.com> wrote:
> I get the same messages with the stock acpi on a Lenovo S10e. Someone on the acpi list (who's name I forget) wrote a patch which removes the error. If you think it might help I'll root it out and forward it on.


I'll be happy to take a look at the patch and see if it solves my
problem. does the patch just remove the error message or solve a
specific problem that might be causing the issue?




>
...
> I see
> ACPI Exception: AE_NO_HARDWARE_RESPONSE, Returned by Handler for
> [EmbeddedControl] (20100331/evregion-588)
> ACPI Error (psparse-0633): Method parse/execution failed
> [\\_SB_.PCI0.LPCB.BAT1._BST] (Node 0xc6adba60),
> AE_NO_HARDWARE_RESPONSE
>
> repeatedly in dmesg
>
> sysctl's relating to battery information is also slow:
> % time sysctl hw.acpi.battery.state
> hw.acpi.battery.state: 7
> sysctl hw.acpi.battery.state  0.00s user 2.18s system 72% cpu 3.006 total
>
> % time sysctl hw.acpi.battery
> hw.acpi.battery.life: -1
> hw.acpi.battery.time: -1
> hw.acpi.battery.state: 7
> hw.acpi.battery.units: 1
> hw.acpi.battery.info_expire: 5
> sysctl hw.acpi.battery  0.00s user 6.58s system 67% cpu 9.779 total
>
> also note that the life and time are both negative one.
>
> This is on a Lenovo G530 laptop.
-- 
Eitan Adler