Problems with battery info

[Luis Miguel Pires Neves <lneves-3+EeCmRbAIo+BYJ/izffpQ@public.gmane.org>]

Hi everybody,

It is not the first time I post this subject but until now I got no answer, 
perhaps because I included it in the middle of others.

I'm still using the 20020403 acpi patch on top of 2.4.18 because with recent 
versions I don't get a correct battery info (it says that the battery is NiMH 
of 4500 mWh instead of the 3200 mWh my LiIon battery really has, causing a 
wrong battery level information trough WMACPI). 

This behaviour used to happen with the acpi code before february, but then I 
used to change a constant value in ectransx.c (a timeout if I remember) from 
100 to 500 (us ???) to solve it. With the acpi code between February and 
April this wasn't necessary anymore.

I must admit I've not tried all versions from April till now, but I tried 
several, 20020716 as the last one, and the problem reappeared, and I don't 
know what I can do to overcome it.

In dmesg I found the following messages:

[ACPI Debug] String: ========= BAT1 UPBI =========
dsmthdat-0433 [22] Ds_method_data_get_val: Uninitialized Local[3] at node 
c7b6b54c
dsmthdat-0433 [22] Ds_method_data_get_val: Uninitialized Local[3] at node 
c7b6b54c

My laptop is a COMPAQ Presario 12XL515 (1200 series) and as it is known, I 
have to override the DSDT in order to have battery status and info. I patched 
the DSDT following some instructions from Paul Diefenbaugh, but probably I 
let some bugs untouched. I don't know if any of these can cause problems.

My original dsdt disassembled with AD.EXE from PHOENIX, my patched dsdt 
(dsdt_n.asl) and dmesg after booting kernel 2.4.18 + acpi-20020726 + 
swsusp-beta11 are on :

http://www.estg.iplei.pt/~lneves/files-cpq12xl515.tgz

Another persistent problem is the absence of events. My machine probably has 
the firmware bugs Juliuzs pointed out. I tried the kacpid patch some time ago 
but it conflicted with swsusp. With a more recent version which was supposed 
to cooperate with swsusp I get a defunct kacpid task. This is not so 
important to me as the battery info, but of course it limits the usefulness 
of ACPI.

I would appreciate any help to overcome these problems. A second analysis on 
my DSDT would be helpful.

Best regards and keep up the good work.

Luís Neves





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