Date: Wed, 9 Jun 1999 15:13:48 -0700 (PDT) From: Doug White <dwhite@resnet.uoregon.edu> To: Oliver Bankel <oliver.bankel@usa.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: My kernel won't boot. Problem with npx0. Any Ideas? Message-ID: <Pine.BSF.4.03.9906091512300.3005-100000@resnet.uoregon.edu> In-Reply-To: <19990607143628.4943.qmail@nw176.netaddress.usa.net>
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On 7 Jun 1999, Oliver Bankel wrote:
> I am relativly new to FreeBSD and UNIX.
> Now I have written my own kernel.
> Also I am sure I have compiled it correctly.
> But I have a Problem.
> After He loads the npx0 I get this error
> message : ( It's absolutly so how its posted here)
>
> .
> .
> npx0 on motherboard
> npx0: INT 16 interface
>
> Fatal trap 12: page fault while in Kernel mode
> fault virtual address = 0x58
> fault code = supervisor read, page not present
> instruction pointer = 0x8:0xc01a164t
> stack pointer = 0x10:0xc0289f84
> frame pointer = 0x10:0xc0289f88
> code segment = base 0x0, limit 0xfffff
> = DPL 0, pres 1; def 32 1, gran 1
> processor eflags =interupt enabled, resume IOPL=0
> current process = 0 ( )
> interrupt mask =
> trap number = 12
> panic: page fault
>
>
> Then the message for rebooting comes up.
> I have no idea whats wrong in my kernel config file.
> I have an Cyrix 6x86 and both the 486 and 586 cpu classes loaded.
> And I have 64 MB RAM.
Well, you made some change that wasn't correct, and the kernel doesn' like
you. To fix:
1) At the boot: prompt type 'unload' then 'boot kernel.GENERIC' to get
your old system back.
2) Double-check your changes ('diff -u GENERIC mykernel' works great for
this) Edit as necessary.
3) Rebuild an reboot.
Doug White
Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve
http://gladstone.uoregon.edu/~dwhite | www.freebsd.org
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