Battery Monitor Plasmoid not giving warnings
dotancohen at gmail.com
Fri Aug 21 09:23:05 BST 2009
2009/8/21 James Richard Tyrer <tyrerj at acm.org>:
> Dotan Cohen wrote:
>> When the battery of my Dell Inspiron gets low, the Battery Monitor
>> Plasmoid is not giving the warnings that it is configured to give. Can
>> anyone else confirm this situation? KDE 4.3, Kubuntu 9.04.
> This issue can be somewhat complicated and it is probable that the problem
> is not with KDE. This, and other things like CPU temperature are read by
> "lm_sensors". So, two questions (1) do you have it installed (2) can you
> monitor other such motherboard things?
It looks like I do and I can:
jaunty2 at laptop:~$ sensors
Adapter: Virtual device
temp1: +44.5°C (crit = +126.0°C)
jaunty2 at laptop:~$ cat /proc/acpi/battery/BAT0/info
design capacity: 4400 mAh
last full capacity: 4400 mAh
battery technology: rechargeable
design voltage: 10800 mV
design capacity warning: 440 mAh
design capacity low: 133 mAh
capacity granularity 1: 44 mAh
capacity granularity 2: 44 mAh
model number: DELL00
serial number: 27
battery type: LION
OEM info: MSL
jaunty2 at laptop:~$ cat /proc/acpi/battery/BAT0/state
capacity state: ok
charging state: charging
present rate: 1 mA
remaining capacity: 1547 mAh
present voltage: 12433 mV
jaunty2 at laptop:~$ cat /proc/acpi/battery/BAT0/alarm
alarm: 440 mAh
jaunty2 at laptop:~$
Therefore it looks like all the relevant info is available, in standard places.
> I have always had problems with that application and I don't have it fully
> working. I understand that it might require some configuration which I have
> not done since I upgraded the Kernel.
> It is necessary that a Kernel hardware driver exist and be installed as a
> module for the specific type of IC that is used on your motherboard. This is
> not an easy thing to determine -- to find out what type of IC is being used
> to manage your battery.
> Another thing, is "Battery Charge" listed in the "Sensor" tree in KSysGuard?
> I seem to have this under: "Advanced Power Management" despite the fact
> that I do not have a laptop. :-| This indicates that I have 0 charge which
> may be logical since I don't have a battery, or it may indicate that this is
> the default.
> I would think that having it show up in KSysGuard would be a necessary
> condition for the widget to function but perhaps not.
Is that what is now called System Monitor? That is what I get when I
run the command ksysguard in Konsole (KDE 4.3). It does not have an
"Advanced Power Management" tab or option, and I cannot find a Sensor
Tree nor Battery Charge anywhere. I suspect that these have not been
ported over from KDE 3.x.
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