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[bug #27621] Unable to load simple boot manager (SBM) with Grub 2

From: Michael37
Subject: [bug #27621] Unable to load simple boot manager (SBM) with Grub 2
Date: Wed, 07 Oct 2009 01:06:24 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20090924 Ubuntu/9.10 (karmic) Firefox/3.5.3


                 Summary: Unable to load simple boot manager (SBM) with Grub
                 Project: GNU GRUB
            Submitted by: michael37
            Submitted on: Wed 07 Oct 2009 01:06:23 AM GMT
                Category: Booting
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Michael37
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: SVN
         Reproducibility: Every Time
         Planned Release: None



SBM is a nice handy tool which allows booting from devices that BIOS doesn't
properly support, for example, from some USB CD-ROMs or from diagnostics dell

In Jaunty and earlier releases with Grub 1, using SBM was trivial (inspired
by http://www.gentoo-wiki.info/GRUB/Chainloaded_CD-ROM, but no downloads
required). Simply install package syslinux, copy file
/usr/lib/syslinux/memdisk to /boot; then copy file /install/sbm.bin from any
Ubuntu install CD to /boot (reference:
https://help.ubuntu.com/community/SmartBootManager). Finally, set up grub 1

title SBM
root (hd0,1)
kernel /boot/memdisk
initrd /boot/sbm.bin

The same strategy doesn't work for Karmic with grub 2 (version 1.97 beta 3).
I added the following entry to /boot/grub/grub.cfg using

menuentry "SBM" {
        insmod ext2
        set root=(hd0,1)
        search --no-floppy --fs-uuid --set 1017bb9e-ad12-494f-a580-6f94b015891d
        linux /boot/memdisk 
        initrd /boot/sbm.bin

When I try to choose this entry in grub2 menu, I get one line of text as if
kernel is trying to boot, then screen blanks and computer hangs.

I tried using memdisk and sbm.bin from both Jaunty and Karmic under Karmic
and neither work.  Looks like grub problem by elimination.


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