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Re: Booting El Torito image from a partition table

From: Emilio Lazo Zaia
Subject: Re: Booting El Torito image from a partition table
Date: Sat, 28 Nov 2015 13:46:25 -0430
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On 28/11/15 13:31, Andrei Borzenkov wrote:
28.11.2015 19:55, Emilio Lazo Zaia пишет:
Of course isohdppx.bin code and isohybrid binary are ISOLINUX specific,
so we can't combine
them with GRUB2. The problem here seems to be that GRUB2 boot_hybrid.img
don't pass
partition information to core.img because it wasn't designed to handle
partitioned devices. Right?

The problem is that boot_hybrid.img does not know about partition
information that is passed to it by syslinux using method specific to

The only syslinux code in my example is mbr.bin that is a generic MBR binary code to boot from the first partition which has the bootable flag. In those steps we can avoid writing syslinux's mbr.bin into /dev/loop0 and using install-mbr binary, which isn't related to syslinux and provides the same
functionality, coded in a different way.

isolinux hybrid -partok- images (like SLAX, Debian, ...) works if MBR code is the one provided by syslinux (mbr.bin)
but also if the MBR code on the disk is installed by 'install-mbr'.

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