Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101 DX:000.)

Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101 DX:000.)

[infernix]

Hi,

After compiling 2.4.0-test12 on my (P2-266, 440LX) Debian 2.2 system (make
bzdisk), i am unable to boot the kernel. When I boot up with the floppy
disk, I do get the Loading...... screen (I think it does load completely),
but afterwards I get this error:

0224
AX:0212
BX:BC00
CX:5101
DX:000.

This error keeps repeating itself. It seems that it keeps reading the boot
floppy every time it prints the error, because the floppy drive light is on,
and when I remove the floppy the error prints faster. At first I thought the
diskette was to blame. However, testing several different diskettes,
including ones I boot earlier 2.2.x kernels on, the problem kept occurring.
The BX and CX values differed though (BX:7400 and CX:5001).

Then, I thought it was ACPI. So I compiled without ACPI, but that didn't
help eiter. I couldn't find any useful info on the list, nor on any search
engine (+kernel +boot +"0224").

Does anyone have any ideas?

Thanks in advance.


Regards,

infernix

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Re: Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101 DX:000.)

[Niels Kristian Bech Jensen]

On Sat, 16 Dec 2000, infernix wrote:

> Hi,
>
> After compiling 2.4.0-test12 on my (P2-266, 440LX) Debian 2.2 system (make
> bzdisk), i am unable to boot the kernel. When I boot up with the floppy
> disk, I do get the Loading...... screen (I think it does load completely),
> but afterwards I get this error:
>
> 0224
> AX:0212
> BX:BC00
> CX:5101
> DX:000.
>
I've seen this a few times too. It's normally caused by a bad floppy.
Try another floppy.

-- 
Niels Kristian Bech Jensen -- nkbj@image.dk -- http://www.image.dk/~nkbj/

----------->>  Stop software piracy --- use free software!  <<-----------

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Re: Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101 DX:000.)

[Jens Müller]

----- Original Message -----
From: "Niels Kristian Bech Jensen" <nkbj@image.dk>
To: "infernix" <infernix@infernix.nl>
Cc: "Linux kernel developer's mailing list"
<linux-kernel@vger.kernel.org>
Sent: Saturday, December 16, 2000 5:22 AM
Subject: Re: Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101
DX:000.)


> I've seen this a few times too. It's normally caused by a bad floppy.
> Try another floppy.

Or try booting from harddisk...

Jens


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Re: Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101 DX:000.)

[infernix]

Hi,

I found the cause. I read somewhere in a debian bugreport that bootsect.S
can't handle really big (b)vmlinuz images (over 500kb orso). However, I am
wondering why 'make bzdisk' doesn't give me an error or a warning. I mean,
the only purpose of 'make bzdisk' is to build a kernel bootable on a
floppy right?

Regards,

infernix

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Re: Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101 DX:000.)

[Peter Samuelson]

[infernix]
> I found the cause. I read somewhere in a debian bugreport that
> bootsect.S can't handle really big (b)vmlinuz images (over 500kb
> orso). However, I am wondering why 'make bzdisk' doesn't give me an
> error or a warning.

As someone (Jeff Garzik?) was saying a week or two ago, can we please
kill the x86 boot sector already?  With today's kernels, 'over 500k or
so' is probably the common case.  Is there *anything* the builtin code
can do better than syslinux?

Peter
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Re: Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101 DX:000.)

[Alan Cox]

> As someone (Jeff Garzik?) was saying a week or two ago, can we please
> kill the x86 boot sector already?  With today's kernels, 'over 500k or
> so' is probably the common case.  Is there *anything* the builtin code
> can do better than syslinux?

Its just plain easier to use

	scp arch/i386/boot/bzImage somebox:/dev/fd0
	ssh root@somebox reboot

is how I do at least part of my testing


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Re: Unable to boot 2.4.0-test12 (0224 AX:0212 BX:BC00 CX:5101 DX:000.)

[Peter Samuelson]

  [me]
> > Is there *anything* the builtin code can do better than syslinux?

[ac]
> 	scp arch/i386/boot/bzImage somebox:/dev/fd0
> 	ssh root@somebox reboot

Never thought of that one.  I would probably instead use

	scp arch/i386/boot/bzImage somebox:/tmp
	ssh root@somebox 'mcopy -o /tmp/bzImage a: && reboot'

with a known good syslinux floppy in place, but I suppose your method
*is* somewhat simpler.

Peter
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