Public bug reported:

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@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@avatar:~# 


update-grub:

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


thank you
Simon

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

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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

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