[Bug 1061255] Re: GRUB recognizes defunct LDM headers

[Fred Palmer]

I do not like suggesting dd to new users.

In this thread just adding a Windows 7 boot stanza to 40_custom worked.
Grub legacy almost never found Windows 7 either and we almost always had
to add the boot stanza for Windows 7 to menu.lst.

http://ubuntuforums.org/showthread.php?t=2088596
See post #12, user said it worked in #13

#Add menu entry to 40_custom, first find correct UUID
sudo blkid

Adjust boot stanza entry for UUID and example partition sda1 and (hd0,1)
to which evey partition Windows boots from.

gksudo gedit /etc/grub.d/40_custom

#update grub menu
sudo update-grub

menuentry "Windows 7 (loader) (on /dev/sda1)" {
insmod ntfs
set root=(hd0,1)
search --no-floppy --fs-uuid --set 908A5B7D8A5B5F32
chainloader +1
}

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https://bugs.launchpad.net/bugs/1061255

Title:
  GRUB recognizes defunct LDM headers

Status in “grub2” package in Ubuntu:
  Triaged

Bug description:
  GRUB recognizes stale LDM headers left on the disk after reformatting
  without LDM.  This causes grub to complain either that embedding is
  not possible, and/or to incorrectly use the ldm partition module
  instead of msdos.

  - This bug affect GRUB2.00 (default bootloader of Ubuntu12.10).
  - This bug completely breaks access to any operating system, either when installing a fresh 12.10, or when upgrading from 12.04 to 12.10.

  ********************
  WORKAROUND1:
  see Comment #26 below (https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1061255)/comments/26

  WORKAROUND2:
  Use Boot-Repair ( https://help.ubuntu.com/community/Boot-Repair ) from liveCD to replace GRUB2 by GRUB Legacy: run Boot-Repair --> Advanced options --> GRUB options tab --> tick "GRUB Legacy" --> Apply

  
  ********************

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