[Bug 1027160] [NEW] update-grub produces grub.cfg that fails to boot linux

[keepitsimpleengr]

Public bug reported:

I run three Linux systems (and two windows systems) on one computer.

When running 12.04 Xubuntu, update-grub fails to produce one of the
Linux menu entries because os-prober (1.51) fails to find it.

When running 10.04 LTS, update-grub produces all menu entries because
os-prober (1.38) finds all installed os but not a working menu entry for
one because it tries to use the wrong disk for the Linux system.  This
is clear because it is trying to boot a Windows system and chokes on
NTFS file system.

The computer's BIOS will place the disk with the distribution at
different places, I have seen /dev/sda, /dev/sdc, and /dev/sdg.

Because of this I use UUIDs so there is no confusion.  I have verified
that the problematic UUID is correct, so apparently grub is ignoring
this and using the "set root='(hd~,~)' "

grub version 1.98-1ubuntu13

boot-info at http://paste.ubuntu.com/1101977/

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: grub-pc 1.98-1ubuntu13
ProcVersionSignature: Ubuntu 2.6.32-41.91-generic 2.6.32.59+drm33.24
Uname: Linux 2.6.32-41-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Fri Jul 20 09:22:41 2012
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: grub2

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


** Tags: amd64 apport-bug lucid

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https://bugs.launchpad.net/bugs/1027160

Title:
  update-grub produces grub.cfg that fails to boot linux

Status in “grub2” package in Ubuntu:
  New

Bug description:
  I run three Linux systems (and two windows systems) on one computer.

  When running 12.04 Xubuntu, update-grub fails to produce one of the
  Linux menu entries because os-prober (1.51) fails to find it.

  When running 10.04 LTS, update-grub produces all menu entries because
  os-prober (1.38) finds all installed os but not a working menu entry
  for one because it tries to use the wrong disk for the Linux system.
  This is clear because it is trying to boot a Windows system and chokes
  on NTFS file system.

  The computer's BIOS will place the disk with the distribution at
  different places, I have seen /dev/sda, /dev/sdc, and /dev/sdg.

  Because of this I use UUIDs so there is no confusion.  I have verified
  that the problematic UUID is correct, so apparently grub is ignoring
  this and using the "set root='(hd~,~)' "

  grub version 1.98-1ubuntu13

  boot-info at http://paste.ubuntu.com/1101977/

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: grub-pc 1.98-1ubuntu13
  ProcVersionSignature: Ubuntu 2.6.32-41.91-generic 2.6.32.59+drm33.24
  Uname: Linux 2.6.32-41-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Fri Jul 20 09:22:41 2012
  ProcEnviron:
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: grub2

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