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To: "Jake Zhen" <quapzx6@hotmail.com>
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 19 Aug 2004 10:30:50 -0400
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Subject: Re: Problem
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"Jake Zhen" <quapzx6@hotmail.com> writes:

> hi.
>   after i installed freebsd, i never able to boot in the
> console/terminal. when my pc start to reboot, i see something like the
> following on my screen. the machine reboots until i press the shut
> down button.  Please help me out with this. thank you very much.
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic =00
> fault virtual address = 0rd22e00a
> fault code 	= supervisor read, page not present
> instruction pointer  = 0x8:0xc057e0e0
> stack pointer 		= 0x10:0xcd0cd794c
> frame pointer		= 0x10:0xcdcd7b70
> code segment		= base 0x0, limit 0xfffff, type 0xlb
> 			DPL 0, pres1 , def32 1, gran1
> processor eflags	= Interrupt enabled, resume, IopL0
> current process		= 42 (cbb2)
> trap number 		= 12
> panic: page fault
> cpuid = 0
> sysncing disks, buffers remaining
> done
> uptime: 1s
> shutting down ACPI
> AcP1_cpu0: perforamce states changed
> AcP1_cpu0: perforamce states changed
> Automatic reboot 15 second

Sounds like you're running some kind of 5.x.

It also sounds as though disabling ACPI may help in your case; 
please see the installation notes for whatever version you are trying
to install.