[gentoo-user] acpi battery problem

[gentoo-user] acpi battery problem

[Massimiliano Bellomo]

Hi,
    i'm running Gentoo latest version on a Sony Vaio laptop (fs115s)
and i'm in a big trouble with battery life management.
I'm using these versions:

acpi-0.06-r5
acpid-1.0.4-r2

and this is what /proc/acpi/battery/BAT0/info
show to me:

present:                 yes
design capacity:         10000 mWh
last full capacity:      10000 mWh
battery technology:      non-rechargeable
design voltage:          unknown
design capacity warning: 1000 mWh
design capacity low:     400 mWh
capacity granularity 1:  100 mWh
capacity granularity 2:  100 mWh
model number:
serial number:
battery type:            LiOn
OEM info:                Sony Corp.

and /proc/acpi/battery/BAT0/ state:

present:                 yes
capacity state:          ok
charging state:          charging
present rate:            unknown
remaining capacity:      1900 mWh
present voltage:         unknown

As you can see from these files design capacity is recognized as 10000 mWh
when reading from battery specifications:

11.1 V
4400 mA

should give 48840 mWh.
Furthermore present and design voltage are recognized  as "unknown" and 
battery technology as "non-rechargeable" !
This puzzling situation leads to a battery life of about 1 hour and a half.

Please if someone has ANY ideas on how to bring things in the right way, 
PLEASE HELP ME !!

Many thanks,
    cheers,
       Max.


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