Acer 233xc dsdt table broken?

Acer 233xc dsdt table broken?

[Ville Pätsi]

I get no compile errors with the current dsdt table, but sleep mode S1
or cooling_mode aren't supported. Throttle works fine, and the fan seems
to adapt to the temperature. At ~23C the fan is almost silent, and at
~46C+ it blows with full speed. /proc/acpi/fan is empty. The original
dsdt table is available here:

http://mail.ramk.fi/~drc/dsdt-acer-233xc.dsl.gz

I personally have no programming knowledge.

ACPI bootup messages (2.4.21-rc1): 

ACPI: have wakeup address 0xc0001000
ACPI: RSDP (v000 PTLTD                      ) @ 0x000f5c60
ACPI: RSDT (v001 PTLTD    RSDT   01540.00000) @ 0x0f7698d1
ACPI: FADT (v001 INTEL  NBGV     01540.00000) @ 0x0f76df14
ACPI: MADT (v001 PTLTD           APIC   01540.00000) @ 0x0f76df88
ACPI: BOOT (v001 PTLTD  $SBFTBL$ 01540.00000) @ 0x0f76dfd8
ACPI: DSDT (v001   WIST  PELICAN 01540.00000) @ 0x00000000
ACPI: BIOS passes blacklist
ACPI: Subsystem revision 20030522
    ACPI-0286: *** Error: No installed handler for fixed event
[00000000]
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: System [ACPI] (supports S0 S3 S4 S5)
ACPI: PCI Root Bridge [PCI0] (00:00)
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI1._PRT]
ACPI: Embedded Controller [EC] (gpe 28)
ACPI: PCI Interrupt Link [LNKA] (IRQs *10)
ACPI: PCI Interrupt Link [LNKB] (IRQs 10, enabled at IRQ 11)
ACPI: PCI Interrupt Link [LNKC] (IRQs *11)
ACPI: PCI Interrupt Link [LNKD] (IRQs *11)
ACPI: PCI Interrupt Link [LNKE] (IRQs 10 11, disabled)
ACPI: PCI Interrupt Link [LNKF] (IRQs 11, disabled)
ACPI: PCI Interrupt Link [LNKG] (IRQs 10 11, disabled)
ACPI: PCI Interrupt Link [LNKH] (IRQs *11)
ACPI: PCI Interrupt Link [LNKE] enabled at IRQ 10
ACPI: PCI Interrupt Link [LNKF] enabled at IRQ 11
ACPI: PCI Interrupt Link [LNKG] enabled at IRQ 10
PCI: Using ACPI for IRQ routing
ACPI: AC Adapter [AC] (on-line)
ACPI: Battery Slot [BAT0] (battery present)
ACPI: Power Button (FF) [PWRF]
ACPI: Lid Switch [LID]
ACPI: Sleep Button (CM) [SLPB]
ACPI: Processor [CPU] (supports C1 C2 C3, 8 throttling states)
ACPI: Thermal Zone [THM0] (23 C)
    ACPI-0286: *** Error: No installed handler for fixed event
[00000000]
    ACPI-0286: *** Error: No installed handler for fixed event
[00000000]





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Re: Acer 233xc dsdt table broken?

[Ville Pätsi]

On Wed, 2003-06-18 at 14:29, Ducrot Bruno wrote: 
> > http://mail.ramk.fi/~drc/dsdt-acer-233xc.dsl.gz
> 
> A quick look at this asl show no support for S1 and there is
> no FAN device as well.

Odd considering that sleep works in windows. Maybe it's using S3 there? 

I just had an odd event where the temperature meter didn't seem to work
(in was stuck at 23C). The fan reacted like this was actually the case,
and the cpu heated to 80C, where the system shut down. After I restarted
the system the meter worked again, and the temperature was at 70C and
the fan was at full speed. The fan slowed down at two points, until the
cpu reached 50C, so seems it works properly. So maybe the fan isn't acpi
controlled?


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Re: Acer 233xc dsdt table broken?

[Ducrot Bruno]

On Wed, Jun 18, 2003 at 02:41:37PM +0300, Ville Pätsi wrote:
> On Wed, 2003-06-18 at 14:29, Ducrot Bruno wrote: 
> > > http://mail.ramk.fi/~drc/dsdt-acer-233xc.dsl.gz
> > 
> > A quick look at this asl show no support for S1 and there is
> > no FAN device as well.
> 
> Odd considering that sleep works in windows. Maybe it's using S3 there? 

Yes.

> 
> I just had an odd event where the temperature meter didn't seem to work
> (in was stuck at 23C).
> The fan reacted like this was actually the case,
> and the cpu heated to 80C, where the system shut down. After I restarted
> the system the meter worked again, and the temperature was at 70C and
> the fan was at full speed. The fan slowed down at two points, until the
> cpu reached 50C, so seems it works properly. So maybe the fan isn't acpi
> controlled?
> 

The ASL show that all temperature related functionality are in the
embedded controller.  This is certainly a micro controller with
his own firmware and will perform all fan related actions (amongst
others things).
There is maybe a bug in the firmware for this IC, since the
temperature was stuck.  You should complaint to ACER
(this is certainly reproducible under Windows).

Cheers,

-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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