port-i386/39671: panic while booting with an acpi kernel on a 790GX board

[Bernd Ernesti <pr200816%veego.de@localhost>]

>Number:         39671
>Category:       port-i386
>Synopsis:       panic while booting with an acpi kernel on a 790GX board
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-i386-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Oct 02 12:25:00 +0000 2008
>Originator:     Bernd Ernesti
>Release:        NetBSD 4.99.72
>Organization:
        
>Environment:
System: NetBSD 4.99.72 (GENERIC) #0: Tue Sep 30 22:03:22 PDT 2008 
builds@wb25:/home/builds/ab/HEAD/i386/200809300002Z
Architecture: i386
Machine: i386
>Description:
        Booting with the i386cd.iso on a 790GX board results in a panic while 
using the
        default boot options.
        Disabling acpi 'fixed' that problem.

        Note that there is a ps/2 keyboard attached. The board has only one 
PS/2 port,
        which seems to be a combined keyboard/mouse port.

cpu0 at mainbus0 apid 0: AMD 686-class, 2506MHz, id 0x60fb2
cpu1 at mainbus0 apid 1: AMD 686-class, 2506MHz, id 0x60fb2
ioapic0 at mainbus0 apid 2: pa 0xfec00000, version 21, 24 pins
acpi0 at mainbus0: Intel ACPICA 20080321
acpi0: X/RSDT: OemId <082708,OEMRSDT ,20080827>, AslId <MSFT,00000097>
acpi0: SCI interrupting at int 9
acpi0: fixed-feature power button present
timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
ACPI-Fast 32-bit timer
pckbc1 at acpi0 (PSKE, PNP0303): kbd port
pckbc1: io 0x60,0x64 irq 1
pckbc2 at acpi0 (PSMS, PNP0F03): aux port
pckbc2: irq 12
attimer1 at acpi0 (TMR, PNP0100): AT Timer
attimer1: io 0x40-0x43 irq 0
pcppi1 at acpi0 (SPKR, PNP0800)
pcppi1: io 0x61
midi0 at pcppi1: PC speaker (CPU-intensive output)
sysbeep0 at pcppi1
npx1 at acpi0 (COPR, PNP0C04)
npx1: io 0xf0-0xff irq 13
npx1: reported by CPUID; using exception 16
UAR1 (PNP0501) at acpi0 not configured
FDC (PNP0700) at acpi0 not configured
aiboost0 at acpi0 (ASOC, ATK0110-16843024)
aiboost0: ASUS AI Boost Hardware monitor
hpet0 at acpi0 (HPET, PNP0103)
hpet0: mem 0xfed00000-0xfed003ff
timecounter: Timecounter "hpet0" frequency 14318180 Hz quality 2000
pckbc3 at acpi0 (PS2K, PNP0303): kbd port
pckbc3: io 0x60,0x64 irq 1
panic: pckbc_acpi_attach: couldn't map
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c052dd3c cs 8 eflags 246 cr2 0 ilevel 8

        This is the dmesg output for pckbc while disabling acpi:

pckbc0 at isa0 port 0x60-0x64
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0


>How-To-Repeat:
        Boot an acpi kernel on a 790gx board.
>Fix: