battery state

Dominic Fandrey kamikaze at bsdforen.de
Wed Aug 15 09:43:23 UTC 2012


On 15/08/2012 11:07, Andreas Nilsson wrote:
> On Wed, Aug 15, 2012 at 10:45 AM, Dominic Fandrey <kamikaze at bsdforen.de>wrote:
>
>> On 15/08/2012 10:40, Andreas Nilsson wrote:
>>
>>> On Wed, Aug 15, 2012 at 10:36 AM, Dominic Fandrey <kamikaze at bsdforen.de
>>>> wrote:
>>>
>>>> For a while now "acpiconf -i0" always shows the battery state that
>>>> was correct when booting the system. It's never updated.
>>>>
>>>> snip
>>>>
>>>
>>> It wont solve the problem, but does the sysctl hw.acpi.battery.time update
>>> correctly?
>>>
>>
>> Thanks for the fast reply, right now it shows -1 (the system was plugged
>> in during boot).
>>
>> I just unplugged it and it still shows -1:
>>
>>> sysctl hw.acpi.battery
>>>
>> hw.acpi.battery.life: 99
>> hw.acpi.battery.time: -1
>> hw.acpi.battery.state: 0
>> hw.acpi.battery.units: 2
>> hw.acpi.battery.info_expire: 5
>>
>
> Sounds like there is some acpi-problem then. On my thinkpad it takes maybe
> five seconds for it to go from -1 to an estimate.

You can tune this with hw.acpi.battery.info_expire. But 5 seconds sounds
like an OKish value to me.

> Also
> hw.acpi.battery.state=0 for me equals "AC plugged in and battery full".

That was the correct state while the system was booting.

-- 
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?


More information about the freebsd-stable mailing list