Re: [ACPI-sppt] Asus M3N / ACPI overload

Karsten Schölzel <[email protected]> writes:

> Use the instructions on
> http://acpi.sourceforge.net/wiki/index.php/HowToOverrideTable
> and instead of step 3 use
> patch < dsdt.dsl.patch
> there dsdt.dsl.patch is the attachment.

The problems with the M3N look identical to my problems on my ASUS
M2N, and judging from the patch the DSDTs are very similar. I
therefore tried the same approach to fix my machine. But when I boot
with the custom DSDT IRQ routing is broken. This is because of a failure
of this kind (from dmesg output):

ACPI-1121: *** Error: Method execution failed [\_SB_.LNKA._STA] (Node df6b4480), AE_AML_REGION_LIMIT
ACPI-0098: *** Error: Method execution failed [\_SB_.LNKA._STA] (Node df6b4480), AE_AML_REGION_LIMIT

I think the relevant regions of the DSDT are:

    Scope (\_SB)
    {
        OperationRegion (\_SB.PCI0.SBRG.IROR, PCI_Config, 0x00, 0xFF)
        Field (\_SB.PCI0.SBRG.IROR, ByteAcc, NoLock, Preserve)
        {
            Offset (0x60), 
            PIRA,   8, 
            PIRB,   8, 
            PIRC,   8, 
            PIRD,   8, 
            Offset (0x68), 
            PIRE,   8, 
            PIRF,   8, 
            PIRG,   8, 
            PIRH,   8
        }
...
        Device (LNKA)
        {
            Name (_HID, EisaId ("PNP0C0F"))
            Name (_UID, 0x01)
            Method (_STA, 0, NotSerialized)
            {
                Return (LSTA (PIRA))
            }

More information, including iasl output (with a couple of warnings),
full dmesg and config, and full dsdt source is available at
<http://www.math.ku.dk/~m02utb/acpi/>

Can anybody help me get this working?

-- 
Ulrik Buchholtz


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