Re: pbbuttonsd 0.5.9-2 unofficial package
Am Freitag, 26. März 2004 04:04 schrieb Vincent Lefevre:
> On 2004-03-26 03:46:06 +0100, Stefano Zacchiroli wrote:
> > Well, this is not related to packaging, but still I think that
> > critically low is when the battery level drops below BWL_last value
> > of the config file, by default it's 3.
>
> Isn't it too low, considering that the remaining time given by the
> battery is far from being accurate?
You are all right. The emergency action will launched, if battery value
drops below the last battery warning level.
If your battery is new and healthy the battery status is relativly correct and
the default battery warning levels could be used. If your battery grows older
the capacity will decrease rapidly. As result the battery voltage drops faster
and faster and at the end the battery warnings comming in very short
intervals. The battery status is not very correct for batteries nearly empty.
So older batteries makes it necessary to adjust battery warning levels.
BWL_last = 3 is enough to enter sleep mode also with old batteries. If this is
always enough to shut the machine down I don't know. But usually the
batteries have some time left even if /proc/pmu/battery_x told time remaining
= 0. I recently tested with two batteries and the old battery run roundabout
10 minutes with time_rem = 0 before the computer switched to the second
battery.
Best Regards
Matthias
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