Problems with battery info

Problems with battery info

[Luis Miguel Pires Neves]

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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RE: Problems with battery info

[Black, Richard (Hou)]

My battery status on 2.4.18 with 20020725 used to show 100% full.
Now with 2.4.19 20020821 I get 97% full.  I can't seem to make it to 100%.

I guess next I need to check the values that Luis mentions concerning total capacity...

Sincerely,
Richard Black
http://www.cpqlinux.com
http://www.geocities.com/rlcomp_1999
http://www.compaq.com/linux


-----Original Message-----
From: Luis Miguel Pires Neves [mailto:lneves-3+EeCmRbAIo+BYJ/izffpQ@public.gmane.org]
Sent: Monday, August 26, 2002 5:32 PM
To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: [ACPI] Problems with battery info


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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Re: Problems with battery info

[Ducrot Bruno]

On Mon, Aug 26, 2002 at 11:31:39PM +0100, Luis Miguel Pires Neves wrote:
> 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
> 


The method implied is:


            Method(UPBI,0,NotSerialized)
            {
                Store("========= BAT1 UPBI =========",Debug)
                Store(Zero,Local0)
                Store(0x0C,Local1)
                Store(Buffer(0x0D){0x00,0x18,0x10,0x00,0x19,0x00,0x00,0x00,
                        0x00,0x00,0x1C,0x22,0x00},Local2)
                While(LGreater(Local1,0x0A))
                {
                    If(LNot(And(UBIF /* \_SB.BAT1.UBIF */,VTOB /* \_SB.VTOB */(Local1))))
                    {
                        GBFE /* \_SB.GBFE */(Local2,Local1,RefOf(Local3))
                        If(Local3)
                        {
                            If(LNot(\_SB.PCI0.PIB.EC0.SMRD(0x0B,0x16,Local3,RefOf(Local4))))
                            {
                                GBFE /* \_SB.GBFE */(Local4,0x20,RefOf(Local5))
                                PBFE /* \_SB.PBFE */(Local4,Local5,0x00)
                                Store(Local4,Index(PBIF /* \_SB.BAT1.PBIF */,Local1))
                                Or(UBIF /* \_SB.BAT1.UBIF */,VTOB /* \_SB.VTOB */(Local1),UBIF /* \_SB.BAT1
.UBIF */)
                                Store(Ones,Local0)
                            }
                        }
                    }
                    Decrement(Local1)
                }

GBFE((Local2,Local1,RefOf(Local3))
is called, but Local3 is not initialised.  Perhaps if you do something like:

Store(Zero, Local3)

before calling 'GBFE((Local2,Local1,RefOf(Local3))'
it would work.  But I am not sure, anyway, if it is the proper way to go..

Note also that there is also a GBFE(..., ..., RefOf(Local4)) and a
GBFE(..., ..., RefOf(Local5))
which can have the same trouble.


So I think that you should try to make something like:

            Method(UPBI,0,NotSerialized)
            {
                Store("========= BAT1 UPBI =========",Debug)
                Store(Zero,Local0)
                Store(0x0C,Local1)
                Store(Zero,Local3)
                Store(Zero,Local4)
                Store(Zero,Local5)
		...
		...

and you will see if it work.

I suspect it is actually a bug in the current ACPI interpreter, but I must
admit that I am not sure at 100%, though.

Cheers

-- 
Ducrot Bruno
http://www.poupinou.org        Page profaissionelle
http://toto.tu-me-saoules.com  Haume page


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RE: Problems with battery info

[Moore, Robert]

I think that this problem was fixed in the 20020815 release:

"Fixed a reported problem where a Store to a method argument that contains a
reference did not perform the indirect store correctly.  This problem was
created during the conversion to the new reference object model - the
indirect store to a method argument code was not updated to reflect the new
model."


-----Original Message-----
From: Ducrot Bruno [mailto:ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org] 
Sent: Friday, August 30, 2002 10:42 AM
To: Luis Miguel Pires Neves
Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [ACPI] Problems with battery info

On Mon, Aug 26, 2002 at 11:31:39PM +0100, Luis Miguel Pires Neves wrote:
> 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
> 


The method implied is:


            Method(UPBI,0,NotSerialized)
            {
                Store("========= BAT1 UPBI =========",Debug)
                Store(Zero,Local0)
                Store(0x0C,Local1)
                Store(Buffer(0x0D){0x00,0x18,0x10,0x00,0x19,0x00,0x00,0x00,
                        0x00,0x00,0x1C,0x22,0x00},Local2)
                While(LGreater(Local1,0x0A))
                {
                    If(LNot(And(UBIF /* \_SB.BAT1.UBIF */,VTOB /* \_SB.VTOB
*/(Local1))))
                    {
                        GBFE /* \_SB.GBFE */(Local2,Local1,RefOf(Local3))
                        If(Local3)
                        {
 
If(LNot(\_SB.PCI0.PIB.EC0.SMRD(0x0B,0x16,Local3,RefOf(Local4))))
                            {
                                GBFE /* \_SB.GBFE
*/(Local4,0x20,RefOf(Local5))
                                PBFE /* \_SB.PBFE */(Local4,Local5,0x00)
                                Store(Local4,Index(PBIF /* \_SB.BAT1.PBIF
*/,Local1))
                                Or(UBIF /* \_SB.BAT1.UBIF */,VTOB /*
\_SB.VTOB */(Local1),UBIF /* \_SB.BAT1
.UBIF */)
                                Store(Ones,Local0)
                            }
                        }
                    }
                    Decrement(Local1)
                }

GBFE((Local2,Local1,RefOf(Local3))
is called, but Local3 is not initialised.  Perhaps if you do something like:

Store(Zero, Local3)

before calling 'GBFE((Local2,Local1,RefOf(Local3))'
it would work.  But I am not sure, anyway, if it is the proper way to go..

Note also that there is also a GBFE(..., ..., RefOf(Local4)) and a
GBFE(..., ..., RefOf(Local5))
which can have the same trouble.


So I think that you should try to make something like:

            Method(UPBI,0,NotSerialized)
            {
                Store("========= BAT1 UPBI =========",Debug)
                Store(Zero,Local0)
                Store(0x0C,Local1)
                Store(Zero,Local3)
                Store(Zero,Local4)
                Store(Zero,Local5)
		...
		...

and you will see if it work.

I suspect it is actually a bug in the current ACPI interpreter, but I must
admit that I am not sure at 100%, though.

Cheers

-- 
Ducrot Bruno
http://www.poupinou.org        Page profaissionelle
http://toto.tu-me-saoules.com  Haume page


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