[Bug 1088796] Re: Grub2 won't boot Win7 on hybrid msdos/ldm disk

[Ronni]

This is the current unmodified grub.cfg, when I try to boot from that I get "A Disk read error ocurred. Press Ctrl+Alt+Delete to restart"
### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows 7 (loader) (on /dev/sdb1)' --class windows --class os $menuentry_id_option 'osprober-chain-085AFE3C5AFE265A' {
	insmod ldm
	insmod ntfs
	set root='ldm/24e38dab-ec38-11e1-99c0-642737cbe3d6/Volume1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd1 --hint-efi=hd1 --hint-baremetal=ahci1 --hint='ldm/24e38dab-ec38-11e1-99c0-642737cbe3d6/Volume1'  085AFE3C5AFE265A
	else
	  search --no-floppy --fs-uuid --set=root 085AFE3C5AFE265A
	fi
	chainloader +1
}

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https://bugs.launchpad.net/bugs/1088796

Title:
  Grub2 won't boot Win7 on hybrid msdos/ldm disk

Status in “grub2” package in Ubuntu:
  New

Bug description:
  I hope the summary is correct.
  Due to factory settings, the setup on my secondary disk is a bit special, see
  https://bugs.launchpad.net/ubuntu/quantal/+source/grub2/+bug/1061255 post #57 and #58

  This is the edited grub-cfg that will boot into WIndows
  http://paste.ubuntu.com/1404094/

  fdisk -lu output http://paste.ubuntu.com/1417526/

  Windows is on /dev/sdb.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: grub-pc 2.00-7ubuntu11
  ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
  Uname: Linux 3.5.0-19-generic x86_64
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  Date: Tue Dec 11 08:21:41 2012
  InstallationDate: Installed on 2012-12-08 (2 days ago)
  InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
  MarkForUpload: True
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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