Brooks Davis wrote:
>> Since acpi0 failed to probe, ACPI isn't used to route interrupts.  However,
>> the apic code expects ACPI to do that since it enumerated CPUs and I/O
>> APICs.  You are just going to have to disable ACPI for now.
>>
>> > acpi0: <INTEL  SWV20   > on motherboard
>> >     ACPI-1287: *** Error: Method execution failed [\\_SB_.PCI0.SBRG.EC0_._REG] 
>> > (Node 0xc29b4660), AE_NOT_EXIST
>> > acpi0: Could not initialise SystemIO handler: AE_NOT_EXIST
>> > device_probe_and_attach: acpi0 attach returned 6
>>
>> If you can get this fixed, then you can re-enable ACPI again.
>
> What I can't figure out is why this is failing since acpi was at least
> partialy working before.  For instance, soft power was definalty
> working.  Doesn't that depend on acpi attaching?

I plan on updating our ACPI-CA to the 20031202 dist after the code freeze
is over.  It has some important fixes, including this one:

---
Changed the initialization of Operation Regions during subsystem init to
perform two entire walks of the ACPI namespace; The first to initialize
the regions themselves, the second to execute the _REG methods.  This
fixed some interdependencies across _REG methods found on some machines.
---

You might be able to work around this problem by setting:
  debug.acpi.disable="ec"
or
  debug.acpi.avoid="\_SB_.PCI0.SBRG"

-Nate
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