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

[keepitsimpleengr]

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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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