acpi shows wrong battery state (fwd)

[kuba guzik]

>
> Can you show the steps you took to recompile and install those?  Not to
> condescend, just bearing in mind that you said you were new to FreeBSD.

vim sys/dev/acpi_support/acpi_wmi.c
cd /usr/src/sys/modules/acpi/acpi_wmi/
make
make install

> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html
> ===
> 11.16.5.1 _OS dependencies
>
> Some AML assumes the world consists of various Windows versions. You can
> tell FreeBSD to claim it is any OS to see if this fixes problems you may
> have. An easy way to override this is to set hw.acpi.osname="Windows
> 2001" in /boot/loader.conf or other similar strings you find in the ASL.
> ===
>
> It may be worth trying setting hw.acpi.osname to "Linux", or to one of
> the others mentioned in your ASL.  You'll see a number of conditional
> tests on 'OSYS' in there; I don't know just what they do, but it can't
> hurt to experiment.

I've already tried different OS configs- still no result.