[syslinux] isolinux 2.0+ won't boot from DVD

H. Peter Anvin hpa at zytor.com
Wed Jun 11 17:22:09 PDT 2003


Taylor, ForrestX wrote:
> I am trying to rebuild Red Hat Linux 9 on DVD.  I am using the provided
> isolinux 2.00 (I tried the latest 2.04, with the same results), and I
> get an error trying to boot from the DVD.  I burned the boot.iso
> (basically a triple-wide boot disk using the same isolinux directory) to
> DVD, and it booted fine.  The error I get when booting the DVD using
> isolinux-debug.bin is this (copied by hand):
> 
> ISOLINUX 2.00 2002-10-25  Copyright (C) 1994-2002 H. Peter Anvin
> isolinux: Staring up, DL = 9F
> isolinux: Loaded spec packet 0K, drive = 9F
> isolinux: Loading main image from LBA = 00EA77C
> isolinux: Sectors to load = 004
> isolinux: Loaded boot image, verifying
> isolinux: Main image read, jumping to main code...
> isolinux: Root directory at LBA = 0000001D
> 
> and there it hangs.
> 
> From the archives, it appears that it should find the isolinux directory
> next, but it is not.  This same method worked with Red Hat Linux 8.0,
> although it used syslinux-1.75.
> 
> The command I used to create the iso image is:
> 
> mkisofs -b isolinux/isolinux.bin -c isolinux/boot.cat -J -p \
> "myemail" -P "Red Hat" -V "Redhat 9/8/7" \
> -r -T -v -A "Red Hat Linux/i386 9" -o redhat9-8-7-dvd.iso \
> -no-emul-boot -boot-load-size 4 -boot-info-table -l i386/
> 
> Any clues?
>

a) What BIOS are you using?
b) Is your disk image bigger than 1 GB/2 GB/4 GB?
c) Try using a sort table to move the isolinux directory
   and its contents as early on the disk as possible.
   Does that help?

	-hpa




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