[Bug 758887] Re: Following kernel upgrade to 2.6.38-8.42, grub2 generates duplicate entries in the menu

Tue Nov 1 18:29:38 UTC 2011

Also here present is many entries in Grub menu.
I have several disks with several partitions and different Unbuntu versions.

Latest install was the Ubuntu version 11.10 on a new disk with the bootloader on that disk in his own MBR.
Sellecting via the BIOS to set this disk as #1 to start, i noticed that i was having 9 entries for one ubuntu version.

Looking inside the Grub.cfg file made some discoveries there.
What i noticed that all installed kernels were listed and also every .img file.

The meny entry are all called : "Ubuntu 10.04.3 LTS (10.04) (on /dev/sda2)"
And 'img' confusion list:
1. initrd /initrd.img
2. initrd /initrd.img
3. initrd /initrd.img.old
4. initrd /boot/initrd.img-2.6.32-34-generic
5. initrd /boot/initrd.img-2.6.32-35-generic
6. initrd /initrd.img
7. initrd /initrd.img
8. initrd /initrd.img.old
9.initrd /initrd.img.old

Atached my Grub.cfg file as reference.

So where is Grub loosing track of the real kernel and why are they named all the same.
When named in the menu all the same, it is impossible to choose the right one to boot your system.
Grub is becomming a very confusing bootloader if you ask me.

BTW, also i have not installed Grub Customizer on the Ubuntu 11.10
version.

** Attachment added: "grub.cfg"
   https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/758887/+attachment/2581903/+files/grub.cfg

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Title:
  Following kernel upgrade to 2.6.38-8.42, grub2 generates duplicate
  entries in the menu

Status in “grub2” package in Ubuntu:
  New

Bug description:
  Binary package hint: grub2

  I just went with a system update yesterday for Natty Beta 1, and grub2
  upon "sudo update-grub" generates duplicate entries in the menu.

  Here are certain diagnostic outputs:

  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  manjul at chaar:~$ uname -a
  Linux chaar 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:50 UTC 2011 i686 i686 i386 GNU/Linux
  manjul at chaar:~$ dpkg -l | grep linux-image
  ii  linux-image-2.6.38-8-generic          2.6.38-8.42                                Linux kernel image for version 2.6.38 on x86/x86_64
  ii  linux-image-generic                   2.6.38.8.22                                Generic Linux kernel image
  manjul at chaar:~$ sudo update-grub
  [sudo] password for manjul: 
  Generating grub.cfg ...
  Found background: /usr/share/images/grub/Windbuchencom.tga
  Found background image: /usr/share/images/grub/Windbuchencom.tga
  Found linux image: /boot/vmlinuz-2.6.38-8-generic
  Found initrd image: /boot/initrd.img-2.6.38-8-generic
  Found memtest86+ image: /memtest86+.bin
  Found Arch on /dev/sda4
  Found Debian GNU/Linux (wheezy/sid) on /dev/sda7
  Found Slackware Linux (Slackware 13.1.0) on /dev/sda8
  Found Gentoo Base System release 1.12.14 on /dev/sda9
  done

  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  I have attached here the file /boot/grub/grub.cfg generated by the
  above command, which will show the duplicate entries - they refer to
  the same linux-image in each of the distros, as is indicated by the
  uuid's

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: grub-pc 1.99~rc1-12ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  NonfreeKernelModules: wl
  Architecture: i386
  Date: Tue Apr 12 11:22:28 2011
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: Upgraded to natty on 2011-04-06 (6 days ago)

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