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

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

Niels Kristian Bech Jensen -- [email protected] -- http://www.image.dk/~nkbj/

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----- Original Message -----
From: "Niels Kristian Bech Jensen" <[email protected]>
To: "infernix" <[email protected]>
Cc: "Linux kernel developer's mailing list" <[email protected]>
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.)

Or try booting from harddisk...

Jens

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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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[infernix]

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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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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[me]

[ac]

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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