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SubjectACPI failure (2.6.0-test<x> and 2.4.22-pre<x>)

IBM T30 Laptop:
IBM machine detected. Enabling interrupts during APM calls.
IBM machine detected. Disabling SMBus accesses. <- 2.6 only
No local APIC present or hardware disabled <- 2.4 only
Local APIC disabled by BIOS -- reenabling. <- 2.6 only
Found and enabled local APIC! <- 2.6 only
ACPI: have wakeup address 0xc0001000

model name : Intel(R) Pentium(R) 4 Mobile CPU 1.80GHz
Bios Version: 1IET66WW (2.05 ) <- most recent available
BIOS32 Service Directory present.
ACPI 2.0 present.
OEM ID: IBM
RSD table at 0x0FF63195.
PNP 1.0 present.
Event Notification: Polling
Event Notification Flag Address: 0x000004B4
Real Mode Code Address: F000:9D36
Real Mode Data Address: 0040:0000
Protected Mode Code Address: 0x000F9D54
Protected Mode Data Address: 0x00000400
PCI Interrupt Routing 1.0 present.
Table Size: 256 bytes
Router ID: 00:1f.0
Exclusive IRQs: None
Compatible Router: 8086:122e

On either 2.6, or 2.4, booting with ACPI enabled gets as far as
parsing the ACPI EC table - at which point it oops with bad pointer
and halts the system. Sorry at this point I don't have the register
contents; it took a while to narrow it this far - and have the
screen in such a state that I can see any relevant information other
than the the trying to kill init message :)

--
Rick Nelson
I can saw a woman in two, but you won't want to look in the box when I do
'For My Next Trick I'll Need a Volunteer' -- Warren Zevon
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