Por que o GRUB inicializa o Debian 32-bits ao invés do Ubuntu 64-bits na minha configuração multi-inicializador?

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Eu instalei o Ubuntu GNOME Remix 64-bis no meu sistema. Eu configurei o instalador para reutilizar meus /boot e /home . Como a ubiquidade (o instalador do Ubuntu) estava me dando dificuldades para instalar o GRUB eu selecionei "Continue Without a Bootloader" e desde que instalei / montou /boot no meu anterior /boot Eu só tive que fazer update-grub do Debian 32- bits e problema resolvido ... parece fácil, mas não é. O comando update-grub detecta o Ubuntu no meu outro HD: 

sudo update-grub2
[sudo] password for braiam: 
Generating grub.cfg ...
Found background image: /usr/share/images/desktop-base/desktop-grub.png
Found linux image: /boot/vmlinuz-3.10-2-686-pae
Found initrd image: /boot/initrd.img-3.10-2-686-pae
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
Found memtest86+ image: /memtest86+.bin
Found memtest86+ multiboot image: /memtest86+_multiboot.bin
Found Ubuntu 13.04 (13.04) on /dev/sda1
Found Windows 7 (loader) on /dev/sdb1
done

Mas quando eu seleciono "Ubuntu 13.04" ele inicializa no Debian. Eu verifico as entradas do grub.cfg e vejo que os valores de root e UUID são iguais aos do Debian. 

sudo grub-mkconfig
Generating grub.cfg ...
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-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 [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos7 --hint-efi=hd1,msdos7 --hint-baremetal=ahci1,msdos7 --hint='hd0,msdos7'  cead26d6-08f4-4894-ac78-a9a4ce59f773
else
  search --no-floppy --fs-uuid --set=root cead26d6-08f4-4894-ac78-a9a4ce59f773
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=en_US
  insmod gettext
fi
terminal_output gfxterm
set timeout=5
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
insmod part_msdos
insmod ext2
set root='hd0,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 --hint='hd0,msdos8'  0cef2d59-21ca-4ba2-a9b2-0b9ef1f42589
else
  search --no-floppy --fs-uuid --set=root 0cef2d59-21ca-4ba2-a9b2-0b9ef1f42589
fi
Found background image: /usr/share/images/desktop-base/desktop-grub.png
insmod png
if background_image /braiam/.cache/gnome-control-center/backgrounds/14fb12e1345ca2dfd3807e7f7b1122b0d6015d9453ed5742de72b988a9cffded; then
  set color_normal=white/black
  set color_highlight=black/white
else
  set menu_color_normal=cyan/blue
  set menu_color_highlight=white/blue
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
Found linux image: /boot/vmlinuz-3.10-2-686-pae
Found initrd image: /boot/initrd.img-3.10-2-686-pae
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-cead26d6-08f4-4894-ac78-a9a4ce59f773' {
    load_video
    insmod gzio
    insmod part_msdos
    insmod ext2
    set root='hd0,msdos5'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
    else
      search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
    fi
    echo    'Loading Linux 3.10-2-686-pae ...'
    linux   /vmlinuz-3.10-2-686-pae root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro initrd=/install/initrd.gz quiet radeon.hw_i2c=1
    echo    'Loading initial ramdisk ...'
    initrd  /initrd.img-3.10-2-686-pae
}
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option 'gnulinux-advanced-cead26d6-08f4-4894-ac78-a9a4ce59f773' {
    menuentry 'Debian GNU/Linux, with Linux 3.10-2-686-pae' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.10-2-686-pae-advanced-cead26d6-08f4-4894-ac78-a9a4ce59f773' {
        load_video
        insmod gzio
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        echo    'Loading Linux 3.10-2-686-pae ...'
        linux   /vmlinuz-3.10-2-686-pae root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro initrd=/install/initrd.gz quiet radeon.hw_i2c=1
        echo    'Loading initial ramdisk ...'
        initrd  /initrd.img-3.10-2-686-pae
    }
    menuentry 'Debian GNU/Linux, with Linux 3.10-2-686-pae (recovery mode)' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.10-2-686-pae-recovery-cead26d6-08f4-4894-ac78-a9a4ce59f773' {
        load_video
        insmod gzio
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        echo    'Loading Linux 3.10-2-686-pae ...'
        linux   /vmlinuz-3.10-2-686-pae root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro single initrd=/install/initrd.gz
        echo    'Loading initial ramdisk ...'
        initrd  /initrd.img-3.10-2-686-pae
    }
Found linux image: /boot/vmlinuz-3.8.0-19-generic
Found initrd image: /boot/initrd.img-3.8.0-19-generic
    menuentry 'Debian GNU/Linux, with Linux 3.8.0-19-generic' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.8.0-19-generic-advanced-cead26d6-08f4-4894-ac78-a9a4ce59f773' {
        load_video
        insmod gzio
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        echo    'Loading Linux 3.8.0-19-generic ...'
        linux   /vmlinuz-3.8.0-19-generic root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro initrd=/install/initrd.gz quiet radeon.hw_i2c=1
        echo    'Loading initial ramdisk ...'
        initrd  /initrd.img-3.8.0-19-generic
    }
    menuentry 'Debian GNU/Linux, with Linux 3.8.0-19-generic (recovery mode)' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.8.0-19-generic-recovery-cead26d6-08f4-4894-ac78-a9a4ce59f773' {
        load_video
        insmod gzio
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        echo    'Loading Linux 3.8.0-19-generic ...'
        linux   /vmlinuz-3.8.0-19-generic root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro single initrd=/install/initrd.gz
        echo    'Loading initial ramdisk ...'
        initrd  /initrd.img-3.8.0-19-generic
    }
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_linux_xen ###

### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/20_memtest86+ ###
Found memtest86+ image: /memtest86+.bin
menuentry "Memory test (memtest86+)" {
    insmod part_msdos
    insmod ext2
    set root='hd0,msdos5'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
    else
      search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
    fi
    linux16 /memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
    insmod part_msdos
    insmod ext2
    set root='hd0,msdos5'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
    else
      search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
    fi
    linux16 /memtest86+.bin console=ttyS0,115200n8
}
Found memtest86+ multiboot image: /memtest86+_multiboot.bin
menuentry "Memory test (memtest86+, experimental multiboot)" {
    insmod part_msdos
    insmod ext2
    set root='hd0,msdos5'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
    else
      search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
    fi
    multiboot   /memtest86+_multiboot.bin
}
menuentry "Memory test (memtest86+, serial console 115200, experimental multiboot)" {
    insmod part_msdos
    insmod ext2
    set root='hd0,msdos5'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
    else
      search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
    fi
    multiboot   /memtest86+_multiboot.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
Found Ubuntu 13.04 (13.04) on /dev/sda1
menuentry 'Ubuntu 13.04 (13.04)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-bf554a2f-a035-4c22-bca8-162def35a03c' {
    insmod part_msdos
    insmod ext2
    set root='hd0,msdos5'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
    else
      search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
    fi
    linux /vmlinuz-3.10-2-686-pae root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro initrd=/install/initrd.gz quiet radeon.hw_i2c=1
    initrd /initrd.img-3.10-2-686-pae
}
submenu 'Advanced options for Ubuntu 13.04 (13.04)' $menuentry_id_option 'osprober-gnulinux-advanced-bf554a2f-a035-4c22-bca8-162def35a03c' {
    menuentry 'Debian GNU/Linux (on /dev/sda1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-3.10-2-686-pae--bf554a2f-a035-4c22-bca8-162def35a03c' {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        linux /vmlinuz-3.10-2-686-pae root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro initrd=/install/initrd.gz quiet radeon.hw_i2c=1
        initrd /initrd.img-3.10-2-686-pae
    }
    menuentry 'Debian GNU/Linux, with Linux 3.10-2-686-pae (on /dev/sda1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-3.10-2-686-pae--bf554a2f-a035-4c22-bca8-162def35a03c' {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        linux /vmlinuz-3.10-2-686-pae root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro initrd=/install/initrd.gz quiet radeon.hw_i2c=1
        initrd /initrd.img-3.10-2-686-pae
    }
    menuentry 'Debian GNU/Linux, with Linux 3.10-2-686-pae (recovery mode) (on /dev/sda1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-3.10-2-686-pae-root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro single initrd=/install/initrd.gz-bf554a2f-a035-4c22-bca8-162def35a03c' {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        linux /vmlinuz-3.10-2-686-pae root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro single initrd=/install/initrd.gz
        initrd /initrd.img-3.10-2-686-pae
    }
    menuentry 'Debian GNU/Linux, with Linux 3.8.0-19-generic (on /dev/sda1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-3.8.0-19-generic--bf554a2f-a035-4c22-bca8-162def35a03c' {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        linux /vmlinuz-3.8.0-19-generic root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro initrd=/install/initrd.gz quiet radeon.hw_i2c=1
        initrd /initrd.img-3.8.0-19-generic
    }
    menuentry 'Debian GNU/Linux, with Linux 3.8.0-19-generic (recovery mode) (on /dev/sda1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-3.8.0-19-generic-root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro single initrd=/install/initrd.gz-bf554a2f-a035-4c22-bca8-162def35a03c' {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        linux /vmlinuz-3.8.0-19-generic root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro single initrd=/install/initrd.gz
        initrd /initrd.img-3.8.0-19-generic
    }
    menuentry 'Ubuntu 13.04 (13.04) (on /dev/sda1)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-/vmlinuz-3.10-2-686-pae--bf554a2f-a035-4c22-bca8-162def35a03c' {
        insmod part_msdos
        insmod ext2
        set root='hd0,msdos5'
        if [ x$feature_platform_search_hint = xy ]; then
          search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos5 --hint-efi=hd1,msdos5 --hint-baremetal=ahci1,msdos5 --hint='hd0,msdos5'  279a18da-130b-46dd-8b54-84da48eb445f
        else
          search --no-floppy --fs-uuid --set=root 279a18da-130b-46dd-8b54-84da48eb445f
        fi
        linux /vmlinuz-3.10-2-686-pae root=UUID=cead26d6-08f4-4894-ac78-a9a4ce59f773 ro initrd=/install/initrd.gz quiet radeon.hw_i2c=1
        initrd /initrd.img-3.10-2-686-pae
    }
}

Found Windows 7 (loader) on /dev/sdb1
menuentry 'Windows 7 (loader) (on /dev/sdb1)' --class windows --class os $menuentry_id_option 'osprober-chain-AA64B45A64B42AC9' {
    insmod part_msdos
    insmod ntfs
    set root='hd0,msdos1'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 --hint='hd0,msdos1'  AA64B45A64B42AC9
    else
      search --no-floppy --fs-uuid --set=root AA64B45A64B42AC9
    fi
    chainloader +1
}
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###

### 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 ###
done

Eu poderia editar a entrada em mãos, mas a multa "NÃO EDITAR ESTE ARQUIVO" que o grub.cfg tem no começo me segurou. Devo editar essas entradas manualmente, criar um script personalizado ou estou apenas condenado?

ls /boot do disco principal: 

ls /boot/
abi-3.8.0-19-generic       initrd.img-3.8.0-19-generic  System.map-3.8.0-19-generic
config-3.10-2-686-pae      iso                          vmlinuz-3.10-2-686-pae
config-3.8.0-19-generic    lost+found                   vmlinuz-3.8.0-19-generic
extlinux                   memtest86+.bin               vmlinuz-3.8.0-19-generic.efi.signed
grub                       memtest86+_multiboot.bin
initrd.img-3.10-2-686-pae  System.map-3.10-2-686-pae

ls /boot do disco em que instalei o Ubuntu: 

ls /media/braiam/bf554a2f-a035-4c22-bca8-162def35a03c/boot/
grub  initrd.img-3.8.0-19-generic.new

blkid 

blkid
/dev/sda1: UUID="bf554a2f-a035-4c22-bca8-162def35a03c" TYPE="ext4" #here Ubuntu
/dev/sda2: UUID="7cb917ba-babb-42cd-897e-2070d540eda4" TYPE="swap" 
/dev/sdb1: UUID="AA64B45A64B42AC9" TYPE="ntfs" 
/dev/sdb2: UUID="F66E431C6E42D551" TYPE="ntfs" 
/dev/sdb3: UUID="75a0854b-8b6b-453f-8aec-2a081a1f19e3" TYPE="swap" 
/dev/sdb5: UUID="279a18da-130b-46dd-8b54-84da48eb445f" TYPE="ext4" #Here boot
/dev/sdb6: UUID="393cd35e-b827-4dea-acb5-2a66f2369dce" TYPE="swap" 
/dev/sdb7: UUID="cead26d6-08f4-4894-ac78-a9a4ce59f773" TYPE="ext4" #here Debian
/dev/sdb8: UUID="0cef2d59-21ca-4ba2-a9b2-0b9ef1f42589" TYPE="ext4"

fdisk -l : 

sudo fdisk -l
[sudo] password for braiam: 

Disk /dev/sda: 13.7 GB, 13701316608 bytes
255 heads, 63 sectors/track, 1665 cylinders, total 26760384 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x8e48c4c5

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1         2104515    26749046    12322266   83  Linux (here is Ubuntu)
/dev/sda2              63     2104514     1052226   82  Linux swap / Solaris

Partition table entries are not in disk order

Disk /dev/sdb: 200.0 GB, 200049647616 bytes
255 heads, 63 sectors/track, 24321 cylinders, total 390721968 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x1549f232

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *          63   223629311   111814624+   7  HPFS/NTFS/exFAT
/dev/sdb2       225724416   336437306    55356445+   7  HPFS/NTFS/exFAT
/dev/sdb3       223629312   225724415     1047552   82  Linux swap / Solaris
/dev/sdb4       336439294   390721535    27141121    5  Extended
/dev/sdb5       336439296   338391039      975872   83  Linux (here is boot)
/dev/sdb6       338393088   339390463      498688   82  Linux swap / Solaris
/dev/sdb7       339392512   368687103    14647296   83  Linux (here is Debian)
/dev/sdb8       368689152   390721535    11016192   83  Linux

O Ubuntu e o Debian fstab são os mesmos, exceto pela entrada / . 

sudo os-prober 
[sudo] password for braiam: 
/dev/sda1:Ubuntu 13.04 (13.04):Ubuntu:linux
/dev/sdb1:Windows 7 (loader):Windows:chain

cat /boot/grub/device.map : 

cat /boot/grub/device.map 
(hd0)   /dev/disk/by-id/ata-Maxtor_6L200M0_L40WL3VH
(hd1)   /dev/disk/by-id/usb-Sandisk-Curzer

(Estou tirando essa informação da minha mente, já que executei sudo grub-mkdevicemap , que alterou as entradas)

    
por Braiam 18.09.2013 / 22:33

1 resposta

1

I set the installer to reuse my /boot

Eu ainda não usei uma configuração de inicialização dupla, mas isso parece ser um erro para mim. update-grub usa grub-probe para determinar em qual dispositivo seu sistema de arquivos raiz atual está localizado e, em seguida, anexa esse dispositivo como o argumento root= à linha linux em /boot/grub/grub.cfg . Esta é provavelmente a razão pela qual sua entrada no Ubuntu está inicializando o Debian - você pode estar usando o kernel e o initramfs do Ubuntu, mas seu grub.cfg instrui para montar sua partição Debian e então continuar a partir desta partição.

Eu tentaria transferir o /boot do Ubuntu para o seu próprio sistema de arquivos raiz (que não deveria ser muito difícil e então você não precisa reparticionar o que provavelmente exigiria a reinstalação do Ubuntu). Em seguida, configure o grub do Debian para carregar o grub do Ubuntu; deve funcionar bem então.

EDIT: pequeno tutorial sobre como configurar o /grub do Ubuntu. Note que estou digitando isso da memória, então seja cuidadoso;)

  1. Sim, mova *3.8* do /grub do Debian para /grub do Ubuntu.
  2. Abra um shell de raiz.

  3. chroot no arquivo do Ubuntu: 

    cd /media/braiam/bf554a2f-a035-4c22-bca8-162def35a03c
for i in proc sys dev; do mount --bind /$i $i; done
chroot /mnt /bin/bash

    Você está agora dentro do sistema Ubuntu (o sistema de arquivos raiz do Ubuntu agora é / , pelo menos neste shell), quase como se você tivesse inicializado.

  4. Se você tem debsums instalado no Ubuntu, agora você pode verificar se há arquivos ausentes (caso tenha esquecido algo na inicialização do Debian), mas isso pode demorar um pouco: 

    debsums -s

  5. Se você precisar de acesso à Internet no chroot , por exemplo, para reinstalar um pacote danificado, a edição de /etc/resolv.conf dentro do chroot deve resolver o problema. Apenas aponte a linha nameserver para o mesmo servidor DNS que o Debian está usando. 

    vim /etc/resolv.conf

  6. Execute grub-mkdevicemap . Não tenho certeza se isso é importante, mas provavelmente não vai doer. 

    grub-mkdevicemap

  7. OK, tenho que admitir, agora não sei como instalar o grub no /boot do Ubuntu ou se é mesmo necessário. grub-install espera um dispositivo, mas não queremos que ele escreva um MBR ...: /

    Vou ter que analisar isso um pouco mais.

    Eu percebi apenas agora que o seu Ubuntu está de fato vivendo em um disco rígido separado. Basta instalá-lo no MBR deste disco rígido e, em seguida: 

    grub-install /dev/sda

  8. Atualize o grub e reconstrua o initramfs: 

    update-grub
update-initramfs -u

  9. Deixe o chroot : 

    exit

Você ainda tem que descobrir como dizer ao Debian que ele deve carregar o grub2 MBR que agora está no disco rígido do Ubuntu; Eu não sei se vai descobrir isso por conta própria. Talvez adicione uma seção chainloader a /etc/grub.d/40_custom no sistema de arquivos Debian?

    
por 18.09.2013 / 23:35

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Compartilhando partições no qemu Não é possível parar o autofs no FC19