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<H1>[Mageia-dev] Grub2 vs. Grub Legacy in M3</H1>
<B>James Kerr</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Grub2%20vs.%20Grub%20Legacy%20in%20M3&In-Reply-To=%3C510956E3.8080101%40jkerr82508.free-online.co.uk%3E"
TITLE="[Mageia-dev] Grub2 vs. Grub Legacy in M3">jim at jkerr82508.free-online.co.uk
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<I>Wed Jan 30 18:22:43 CET 2013</I>
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<PRE>On 30/01/2013 11:54, Maurice Batey wrote:
><i> On Sun, 20 Jan 2013 14:39:26 +0000, James Kerr wrote:
</I>><i>
</I>>><i> Grub2 created a boot menu that enables me to
</I>>><i> successfully boot the pre-existing Mageia2 installation.
</I>><i>
</I>><i> James, does the Mageia2 installation have GRUB-Legacy in the PBR?
</I>
No. Mageia 2's Grub boot-loader was installed to the MBR of the boot disk.
><i>
</I>><i> What is the GRUB2 boot stanza that boots Mageia2?
</I>
This is the stanza in /boot/grub2/grub.cfg for Mageia 2:
menuentry 'linux (on /dev/sdb1)' --class gnu-linux --class gnu --class
os $menuentry_id_option
'osprober-gnulinux-/boot/vmlinuz--20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1
--hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1
20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root
20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz BOOT_IMAGE=linux root=LABEL=mga-root splash quiet
nokmsboot resume=UUID=a3dabcb9-c43e-4035-8bbe-576aa9c5573b vga=788
initrd /boot/initrd.img
I've attached grub.cfg, in case it's of some help.
os-prober creates a boot menu which lists the first entry from Grub's
menu.lst on the top-level Grub2 boot menu, even when the first entry in
menu.lst is not the default. As a result, in order to reach the menu
entry for Mageia 2, I have to access the second level "Advanced options"
menu.
On this system /dev/sdb is the boot disk.
Jim
-------------- next part --------------
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
load_env
fi
set default="0"
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function load_video {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
if loadfont unicode ; then
set gfxmode=1024x768x32
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=en_GB
insmod gettext
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='hd1,msdos8'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos8 --hint-efi=hd1,msdos8 --hint-baremetal=ahci1,msdos8 f64c1cea-d7d7-44f6-8c3f-90d4dc886511
else
search --no-floppy --fs-uuid --set=root f64c1cea-d7d7-44f6-8c3f-90d4dc886511
fi
insmod gfxmenu
insmod png
set theme=($root)/boot/grub2/themes/maggy/theme.txt
export theme
set timeout=5
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Mageia GNU/Linux' --class mageia --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-f64c1cea-d7d7-44f6-8c3f-90d4dc886511' {
set gfxpayload=text
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos8'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos8 --hint-efi=hd1,msdos8 --hint-baremetal=ahci1,msdos8 f64c1cea-d7d7-44f6-8c3f-90d4dc886511
else
search --no-floppy --fs-uuid --set=root f64c1cea-d7d7-44f6-8c3f-90d4dc886511
fi
echo 'Loading Linux desktop ...'
linux /boot/vmlinuz-desktop root=UUID=f64c1cea-d7d7-44f6-8c3f-90d4dc886511 ro splash
echo 'Loading initial ramdisk ...'
initrd /boot/initrd-desktop.img
}
submenu 'Advanced options for Mageia GNU/Linux' $menuentry_id_option 'gnulinux-advanced-f64c1cea-d7d7-44f6-8c3f-90d4dc886511' {
menuentry 'Mageia GNU/Linux, with Linux desktop' --class mageia --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-desktop-advanced-f64c1cea-d7d7-44f6-8c3f-90d4dc886511' {
set gfxpayload=text
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos8'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos8 --hint-efi=hd1,msdos8 --hint-baremetal=ahci1,msdos8 f64c1cea-d7d7-44f6-8c3f-90d4dc886511
else
search --no-floppy --fs-uuid --set=root f64c1cea-d7d7-44f6-8c3f-90d4dc886511
fi
echo 'Loading Linux desktop ...'
linux /boot/vmlinuz-desktop root=UUID=f64c1cea-d7d7-44f6-8c3f-90d4dc886511 ro splash
echo 'Loading initial ramdisk ...'
initrd /boot/initrd-desktop.img
}
menuentry 'Mageia GNU/Linux, with Linux 3.8.0-desktop-0.rc5.1.mga3' --class mageia --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.8.0-desktop-0.rc5.1.mga3-advanced-f64c1cea-d7d7-44f6-8c3f-90d4dc886511' {
set gfxpayload=text
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos8'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos8 --hint-efi=hd1,msdos8 --hint-baremetal=ahci1,msdos8 f64c1cea-d7d7-44f6-8c3f-90d4dc886511
else
search --no-floppy --fs-uuid --set=root f64c1cea-d7d7-44f6-8c3f-90d4dc886511
fi
echo 'Loading Linux 3.8.0-desktop-0.rc5.1.mga3 ...'
linux /boot/vmlinuz-3.8.0-desktop-0.rc5.1.mga3 root=UUID=f64c1cea-d7d7-44f6-8c3f-90d4dc886511 ro splash
echo 'Loading initial ramdisk ...'
initrd /boot/initrd-3.8.0-desktop-0.rc5.1.mga3.img
}
menuentry 'Mageia GNU/Linux, with Linux 3.8.0-desktop-0.rc4.1.mga3' --class mageia --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.8.0-desktop-0.rc4.1.mga3-advanced-f64c1cea-d7d7-44f6-8c3f-90d4dc886511' {
set gfxpayload=text
insmod gzio
insmod part_msdos
insmod ext2
set root='hd1,msdos8'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos8 --hint-efi=hd1,msdos8 --hint-baremetal=ahci1,msdos8 f64c1cea-d7d7-44f6-8c3f-90d4dc886511
else
search --no-floppy --fs-uuid --set=root f64c1cea-d7d7-44f6-8c3f-90d4dc886511
fi
echo 'Loading Linux 3.8.0-desktop-0.rc4.1.mga3 ...'
linux /boot/vmlinuz-3.8.0-desktop-0.rc4.1.mga3 root=UUID=f64c1cea-d7d7-44f6-8c3f-90d4dc886511 ro splash
echo 'Loading initial ramdisk ...'
initrd /boot/initrd-3.8.0-desktop-0.rc4.1.mga3.img
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows 7 (loader) (on /dev/sda1)' --class windows --class os $menuentry_id_option 'osprober-chain-9A008B35008B1801' {
insmod part_msdos
insmod ntfs
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 9A008B35008B1801
else
search --no-floppy --fs-uuid --set=root 9A008B35008B1801
fi
chainloader +1
}
menuentry 'Mageia 2 (2)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root 20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz-all BOOT_IMAGE=install_beta_1 root=/dev/ram3 ramdisk_size=32000 vga=791
initrd /boot/all.rdz
}
submenu 'Advanced options for Mageia 2 (2)' $menuentry_id_option 'osprober-gnulinux-advanced-20599988-d027-4cd2-80c4-b834e1013a80' {
menuentry 'install cauldron (on /dev/sdb1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-all--20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root 20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz-all BOOT_IMAGE=install_beta_1 root=/dev/ram3 ramdisk_size=32000 vga=791
initrd /boot/all.rdz
}
menuentry 'linux (on /dev/sdb1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz--20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root 20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz BOOT_IMAGE=linux root=LABEL=mga-root splash quiet nokmsboot resume=UUID=a3dabcb9-c43e-4035-8bbe-576aa9c5573b vga=788
initrd /boot/initrd.img
}
menuentry 'linux-nonfb (on /dev/sdb1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz--20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root 20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz BOOT_IMAGE=linux-nonfb root=LABEL=mga-root nokmsboot resume=UUID=a3dabcb9-c43e-4035-8bbe-576aa9c5573b
initrd /boot/initrd.img
}
menuentry 'failsafe (on /dev/sdb1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz--20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root 20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz BOOT_IMAGE=failsafe root=LABEL=mga-root failsafe
initrd /boot/initrd.img
}
menuentry 'desktop 3.3.6-2.mga2 (on /dev/sdb1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-3.3.6-desktop-2.mga2--20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root 20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz-3.3.6-desktop-2.mga2 BOOT_IMAGE=desktop_3.3.6-2.mga2 root=LABEL=mga-root splash quiet nokmsboot resume=UUID=a3dabcb9-c43e-4035-8bbe-576aa9c5573b vga=788
initrd /boot/initrd-3.3.6-desktop-2.mga2.img
}
menuentry 'desktop 3.3.8-2.mga2 (on /dev/sdb1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-3.3.8-desktop-2.mga2--20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root 20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz-3.3.8-desktop-2.mga2 BOOT_IMAGE=desktop_3.3.8-2.mga2 root=LABEL=mga-root splash quiet nokmsboot resume=UUID=a3dabcb9-c43e-4035-8bbe-576aa9c5573b vga=788
initrd /boot/initrd-3.3.8-desktop-2.mga2.img
}
menuentry 'desktop 3.4.24-3.mga2 (on /dev/sdb1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/boot/vmlinuz-3.4.24-desktop-3.mga2--20599988-d027-4cd2-80c4-b834e1013a80' {
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 20599988-d027-4cd2-80c4-b834e1013a80
else
search --no-floppy --fs-uuid --set=root 20599988-d027-4cd2-80c4-b834e1013a80
fi
linux /boot/vmlinuz-3.4.24-desktop-3.mga2 BOOT_IMAGE=desktop_3.4.24-3.mga2 root=LABEL=mga-root splash quiet nokmsboot resume=UUID=a3dabcb9-c43e-4035-8bbe-576aa9c5573b vga=788
initrd /boot/initrd-3.4.24-desktop-3.mga2.img
}
}
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
### BEGIN /etc/grub.d/90_persistent ###
### END /etc/grub.d/90_persistent ###
</PRE>
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