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Re: Grub-2 Multiboot

From: Bean
Subject: Re: Grub-2 Multiboot
Date: Fri, 6 Jun 2008 16:56:50 +0800

On Fri, Jun 6, 2008 at 4:31 PM, Christian Schaubschlaeger
<address@hidden> wrote:
> Good morning,
> I'm using grub-1.96. Today I tried to boot grub with grub itself
> using the multiboot mechanism. For that I made this entry in
> grub.cfg:
> menuentry "GRUB"
> {
>        multiboot (hd0,1)/boot/kernel.exec
> }
> where kernel.exec is the grub-2 binary (including the multiboot header)
> which can be found in the grub-2 source directory after building grub.
> Now when I try to boot this, I get the following error message:
> error: segment doesn't fit in memory reserved for the OS (0x8200 < 0x100000)
> In kern/i386/pc/startup.S the multiboot header is defined, along with this
> comment:
> /*
>  * Support for booting GRUB from a Multiboot boot loader (e.g. GRUB itself).
>  * This uses the a.out kludge to load raw binary to the area starting at 1MB,
>  * and relocates itself after loaded.
>  */
> which made me think that it should be possible to boot grub with grub.
> Am I doing something wrong?


you should use core.img created by grub-mkimage.


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