[Bug 1020763] Re: i have three different linux OS on three different partitions sda6, sd7 and sda8. All of them are formatted in bftrs system. At first only the last installed linux was recognized by update-grub. After that i ran os-prober which found my two missing OS...but in grub menu at the beginning if i choose either one of them i get the message: you need to load the kernel first - and then it returns me back to grub menu. my sda8 linux still works normally :( help please

Simon Andric 1020763 at bugs.launchpad.net
Tue Jul 3 23:17:15 UTC 2012


also the contens of my grub.cfg (on sda8):

#
# 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 $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
set default="0"
if [ "${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 recordfail {
  set recordfail=1
  if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}

function load_video {
  insmod vbe
  insmod vga
  insmod video_bochs
  insmod video_cirrus
}

insmod part_msdos
insmod btrfs
set root='(hd0,msdos8)'
search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
if loadfont /@/usr/share/grub/unicode.pf2 ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  insmod part_msdos
  insmod btrfs
  set root='(hd0,msdos8)'
  search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
  set locale_dir=($root)/@/boot/grub/locale
  set lang=en_US
  insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ]; then
  set timeout=-1
else
  set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
insmod part_msdos
insmod btrfs
set root='(hd0,msdos8)'
search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
insmod png
if background_image /@/usr/share/images/desktop-base/joy-grub.png; then
  set color_normal=light-gray/black
  set color_highlight=white/black
else
  set menu_color_normal=white/black
  set menu_color_highlight=black/light-gray
  if background_color 75,75,75; then
    clear
  fi
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
	set gfxpayload="${1}"
	if [ "${1}" = "keep" ]; then
		set vt_handoff=vt.handoff=7
	else
		set vt_handoff=
	fi
}
if [ "${recordfail}" != 1 ]; then
  if [ -e ${prefix}/gfxblacklist.txt ]; then
    if hwmatch ${prefix}/gfxblacklist.txt 3; then
      if [ ${match} = 0 ]; then
        set linux_gfx_mode=keep
      else
        set linux_gfx_mode=text
      fi
    else
      set linux_gfx_mode=text
    fi
  else
    set linux_gfx_mode=keep
  fi
else
  set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "${linux_gfx_mode}" != "text" ]; then load_video; fi
menuentry 'Ubuntu, with Linux 3.5.0-3-generic' --class ubuntu --class gnu-linux --class gnu --class os {
	recordfail
	gfxmode $linux_gfx_mode
	insmod gzio
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos8)'
	search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
	linux	/@/boot/vmlinuz-3.5.0-3-generic root=UUID=027fb248-1253-48b7-b597-62ddd3edeec4 ro rootflags=subvol=@   quiet splash $vt_handoff
	initrd	/@/boot/initrd.img-3.5.0-3-generic
}
menuentry 'Ubuntu, with Linux 3.5.0-3-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
	recordfail
	insmod gzio
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos8)'
	search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
	echo	'Loading Linux 3.5.0-3-generic ...'
	linux	/@/boot/vmlinuz-3.5.0-3-generic root=UUID=027fb248-1253-48b7-b597-62ddd3edeec4 ro recovery nomodeset rootflags=subvol=@ 
	echo	'Loading initial ramdisk ...'
	initrd	/@/boot/initrd.img-3.5.0-3-generic
}
submenu "Previous Linux versions" {
menuentry 'Ubuntu, with Linux 3.5.0-2-generic' --class ubuntu --class gnu-linux --class gnu --class os {
	recordfail
	gfxmode $linux_gfx_mode
	insmod gzio
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos8)'
	search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
	linux	/@/boot/vmlinuz-3.5.0-2-generic root=UUID=027fb248-1253-48b7-b597-62ddd3edeec4 ro rootflags=subvol=@   quiet splash $vt_handoff
	initrd	/@/boot/initrd.img-3.5.0-2-generic
}
menuentry 'Ubuntu, with Linux 3.5.0-2-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
	recordfail
	insmod gzio
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos8)'
	search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
	echo	'Loading Linux 3.5.0-2-generic ...'
	linux	/@/boot/vmlinuz-3.5.0-2-generic root=UUID=027fb248-1253-48b7-b597-62ddd3edeec4 ro recovery nomodeset rootflags=subvol=@ 
	echo	'Loading initial ramdisk ...'
	initrd	/@/boot/initrd.img-3.5.0-2-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+ ###
menuentry "Memory test (memtest86+)" {
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos8)'
	search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
	linux16	/@/boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos8)'
	search --no-floppy --fs-uuid --set=root 027fb248-1253-48b7-b597-62ddd3edeec4
	linux16	/@/boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Ubuntu quantal (development branch) (12.10) (on /dev/sda6)" --class gnu-linux --class gnu --class os {
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos6)'
	search --no-floppy --fs-uuid --set=root 6708186e-f8c4-4825-9e3b-a3de113287e9
	linux /boot/vmlinuz-3.4.0-5-generic root=/dev/sda6
	initrd /boot/initrd.img-3.4.0-5-generic
}
menuentry "Ubuntu quantal (development branch) (12.10) (on /dev/sda6)" --class gnu-linux --class gnu --class os {
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos6)'
	search --no-floppy --fs-uuid --set=root 6708186e-f8c4-4825-9e3b-a3de113287e9
	linux /boot/vmlinuz-3.5.0-2-generic root=/dev/sda6
	initrd /boot/initrd.img-3.5.0-2-generic
}
menuentry "Ubuntu quantal (development branch) (12.10) (on /dev/sda7)" --class gnu-linux --class gnu --class os {
	insmod part_msdos
	insmod btrfs
	set root='(hd0,msdos7)'
	search --no-floppy --fs-uuid --set=root 95c474bf-cba1-4a4a-b5c0-4d9b745beb25
	linux /boot/vmlinuz-3.4.0-3-generic root=/dev/sda7
	initrd /boot/initrd.img-3.4.0-3-generic
}
### 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  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###



ps. all of my three OS-es have their own /boot on their own partitions...

Simon

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https://bugs.launchpad.net/bugs/1020763

Title:
  i have three different linux OS on three different partitions sda6,
  sd7 and sda8. All of them are formatted in bftrs system. At first only
  the last installed linux was recognized by update-grub. After that i
  ran os-prober which found my two missing OS...but in grub menu at  the
  beginning if i choose either one of them i get the message:  you need
  to load the kernel first - and then it returns me back to grub menu.
  my sda8 linux still works normally :( help please

Status in “grub2” package in Ubuntu:
  New

Bug description:
  i have three different linux OS on three different partitions sda6,
  sd7 and sda8. All of them are formatted in bftrs system. At first only
  the last installed linux was recognized by update-grub. After that i
  ran os-prober which found my two missing OS...but in grub menu at  the
  beginning if i choose either one of them i get the message:  you need
  to load the kernel first - and then it returns me back to grub menu.
  my sda8 linux still works normally :( help please

  
  this is my three OS-es

  dev/sda6 = ubuntu 12.10 alpha2 (bftrs)
  dev/sda7 = bodhi linux 2.00 alpha (bftrs)
  dev/sda8 = kubuntu 12.10 alpha2 (bftrs)

  i also have sda5 which is a partition for my personal data. this one
  is formatted in ext4 filesystem.

  the output of blkid is this:

  root at avatar:~# blkid
  /dev/sda1: UUID="88f166be-effb-4b86-8a9c-c432ca1c0c9d" TYPE="swap" 
  /dev/sda5: UUID="04dd5c5c-1a8e-4607-95dd-2a08931fc829" TYPE="ext4" 
  /dev/sda6: UUID="6708186e-f8c4-4825-9e3b-a3de113287e9" UUID_SUB="163c7eff-ec3d-477e-820f-cdfc95848444" TYPE="btrfs" 
  /dev/sda7: UUID="95c474bf-cba1-4a4a-b5c0-4d9b745beb25" UUID_SUB="7c0bba8a-9cae-4fd3-9605-299882ba88a4" TYPE="btrfs" 
  /dev/sda8: UUID="027fb248-1253-48b7-b597-62ddd3edeec4" UUID_SUB="fea4926f-a08e-46cd-91b2-c5d367c3ecd3" TYPE="btrfs" 
  root at avatar:~# 

  
  update-grub:

  root at avatar:~# sudo update-grub
  Generating grub.cfg ...
  Found background image: /usr/share/images/desktop-base/desktop-grub.png
  Found linux image: /boot/vmlinuz-3.5.0-3-generic
  Found initrd image: /boot/initrd.img-3.5.0-3-generic
  Found linux image: /boot/vmlinuz-3.5.0-2-generic
  Found initrd image: /boot/initrd.img-3.5.0-2-generic
  Found memtest86+ image: /@/boot/memtest86+.bin
  Found Ubuntu quantal (development branch) (12.10) on /dev/sda6
  Found Ubuntu quantal (development branch) (12.10) on /dev/sda7
  done

  root at avatar:~# lsb_release -rd
  Description:    Ubuntu quantal (development branch)
  Release:        12.10
  root at avatar:~# 


  thank you
  Simon

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