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Re: GRUB2: stage 1.5

From: Isaac Dupree
Subject: Re: GRUB2: stage 1.5
Date: Thu, 19 Aug 2010 01:19:48 -0400
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100806 Lanikai/3.1.2

On 08/18/10 06:28, Muhammad Ammar wrote:
Hi All,

In GRUB 2, stage 1.5 is eliminated, so way i am getting the following error
during installing the GRUB2:

grub-setup: warn: your embedding area is unusually small. core.img won't fit
in it

Well, there basically is still a stage 1.5 in the sense that GRUB needs to embed some code in a stable (non-filesystem) location on disk.

In GRUB Legacy, Stage 1.5 was its own piece of code separate from Stage 2. GRUB 2 has a modular design, in which the embedding ("stage 1.5") is created with some of these modules -- sufficient modules to load the rest of the modules from one of your filesystems (the rest of the modules corresponds to "stage 2"). It's a better design -- but there was no way that it could eliminate the need for embedding on BIOS platforms (i.e. most consumer laptops/desktops -- GRUB Legacy supported only BIOS platforms, GRUB 2 supports some others also,each of which is different).


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