Have you tried booting without ACPI?

I've had all sorts of problems with FreeBSD's ACPI. In fact, I have yet to install it on a box that it doesn't panic, hang or break something.

To do this, interrupt the kernel countdown and then do this:

set hint.acpi.0.disabled=1

From: Oleksandr Konovalenko <[EMAIL PROTECTED]>
Subject: FreeBSD 5.0 installation, boot: fatal trap 12
Date: Thu, 6 Feb 2003 04:01:33 -0800 (PST)

 During the installation (from CD, I've tried both
mini-disc and disc1) of FreeBSD 5.0 on my laptop
Packard Bell iGO2451 (AMD AthlonXP +1500, 1.3GHz) I've
got following:

cardbus0: <CardBus bus> on cbb0
pccard0: <16 bit PCCard bus> on vbb0

Fatal trap 12: page fault while in kernel mode

fault virtual address  = 0xe7fe6
fault code             = supervisor read, page not
instruction pointer    = 0x8:0xc00e9eb5
stack pointer          = 0x10:0xc0a8299c
frame pointer          = 0x10:0xc0a8299c
code segment           = base 0x0, limit 0xfffff, type
                       = DPL 0, pres 1, def32 1, gran
processor eflags       = interrupt enabled, resume,
IOPL = 0
current process        = 0 (swapper)
trap number            = 12
panic: page fault
uptime 1s

Note#1, there is only one PCMCIA slot in laptop and it
was empty during the boot.

Note#2, there is no internal floppy drive.

Note#3, No any problem to install NetBSD 1.5.2 or
Linux RH 7.3 with 2.4.20 kernel.

Note#4, I tried to disable some devices in BIOS but it
did not help.

Question: what might be wrong?

 Alexander K.

######## PS: Hardware specifications (from

BIOS v. 1.02

PC Card   Texas Instruments PCI-4410 PC Card
32 bit PC-Card Bus

Video S3 Savage 4S Video Controller
High-Performance 2D/3D Video Accelerator, integrated
in mainboard.

Sound Realtek ALC201 Audio System
18-bit, full duplex AC'97 2.2 compatible stereo audio

Core VIA Apollo KN133 chipset
200/266 MHz Front Side Bus, Savage4 AGP 4X graphics

Display LCD 14.1'' TFT XGA

Keyboard and pointing device Synaptics Touchpad
Touch-sensitive control pad.

4-Way Scrolling Button
Multi-directional scrolling function

KME UJDA730 Combo Drive
One drive which can read, write and re-write CD's but
also reads DVD's. 8x DVD, 8x Write, 4x ReWrite, 20x

Memory Memory iGo 2000 series
    * 1 SO-DIMM Slot
    * Size: 256 MB
    * Type: SDRAM (PC133)

Modem Billionton MDC56S-I Modem
V92 MDC interface modem (Smartlink chipset ref.

Network LSI L80227 Network Controller
100/10 Base T Ethernet integrated in VIA VT8231

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