[Bug 960010] [NEW] [Precise] [Regression] Grub doesn't recognize other Linux distros anymore

[Swâmi Petaramesh]

Public bug reported:

- Regression since latest grub2 updates on Precise Beta

- Observed on 2 different machines.

- Grub doesn't recognize the presence of other Linux distros on same
machine anymore (it was working perfectly before) (There's a Mint /boot
on /dev/sda6 here).

- OTOH it identifies FreeBSD, which it didn't automagically do before...

Grub now spits "no such disk" error that I had never seen before.

Example:

$ sudo update-grub
[sudo] password......: 
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.2.0-19-generic
Found initrd image: /boot/initrd.img-3.2.0-19-generic
Found linux image: /boot/vmlinuz-3.2.0-18-generic
Found initrd image: /boot/initrd.img-3.2.0-18-generic
Found memtest86+ image: /memtest86+.bin
grub-probe : erreur : no such disk.
grub-probe : erreur : no such disk.
Found FreeBSD on /dev/sda1
Found Windows Recovery Environment (loader) on /dev/sda3
done

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: grub-pc 1.99-18ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-19.30-generic 3.2.11
Uname: Linux 3.2.0-19-generic i686
ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
Date: Tue Mar 20 09:24:34 2012
SourcePackage: grub2
UpgradeStatus: Upgraded to precise on 2012-03-13 (7 days ago)

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


** Tags: apport-bug i386 precise

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https://bugs.launchpad.net/bugs/960010

Title:
  [Precise] [Regression] Grub doesn't recognize other Linux distros
  anymore

Status in “grub2” package in Ubuntu:
  New

Bug description:
  - Regression since latest grub2 updates on Precise Beta

  - Observed on 2 different machines.

  - Grub doesn't recognize the presence of other Linux distros on same
  machine anymore (it was working perfectly before) (There's a Mint
  /boot on /dev/sda6 here).

  - OTOH it identifies FreeBSD, which it didn't automagically do
  before...

  Grub now spits "no such disk" error that I had never seen before.

  Example:

  $ sudo update-grub
  [sudo] password......: 
  Generating grub.cfg ...
  Found linux image: /boot/vmlinuz-3.2.0-19-generic
  Found initrd image: /boot/initrd.img-3.2.0-19-generic
  Found linux image: /boot/vmlinuz-3.2.0-18-generic
  Found initrd image: /boot/initrd.img-3.2.0-18-generic
  Found memtest86+ image: /memtest86+.bin
  grub-probe : erreur : no such disk.
  grub-probe : erreur : no such disk.
  Found FreeBSD on /dev/sda1
  Found Windows Recovery Environment (loader) on /dev/sda3
  done

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: grub-pc 1.99-18ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-19.30-generic 3.2.11
  Uname: Linux 3.2.0-19-generic i686
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  Date: Tue Mar 20 09:24:34 2012
  SourcePackage: grub2
  UpgradeStatus: Upgraded to precise on 2012-03-13 (7 days ago)

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