[Bug 484102] Re: Grub2 doesn't chainload truecrypt loader correctly

[Attila Lendvai]

for the record, there's a project called grub2tc that :

"grub2tc converts the TrueCrypt boot loader into a multiboot kernel that
can be loaded from grub2."

instructions: http://gitorious.org/grub2tc/grub2tc/blobs/master/README

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https://bugs.launchpad.net/bugs/484102

Title:
  Grub2 doesn't chainload truecrypt loader correctly

Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: grub2

  I am working on a dual-boot system with one hard disk.
  sda1 = /boot
  sda2 = Windows Vista Ultima encrypted with TrueCrypt System Encryption
  sda3 = Ubuntu 9.10 encrypted lvm

  The grub2 entry for windows is created by the file 50_windows in the
  "/etc/grub.d" directory:

  #! /bin/sh -e
  echo "Adding Windows Vista entry" >&2
   cat << EOF
  menuentry "Windows Vista" {
  	set root=(hd0,2)
  	parttool (hd0,2) boot+
  	chainloader (hd0,1)/truecrypt.mbr
  }
  EOF

  Choosing this entry in the grub2 menu the Truecrypt loader only shows the following message: 
  "TrueCrypt Boot Loader
  Load damaged! Use Rescue Disk: Repair > Options > Restore Truecrypt Boot Loader"
  But this would install the Bootloader into the MBR, where grub2 shall be. The TrueCrypt Loader is in /boot/truecrypt.mbr
  Booting Ubuntu works without problems.

  With grub-legacy the chainloading worked.

  The menu.lst:
  title		Windows Vista
  rootnoverify	(hd0,1)
  savedefault
  makeactive
  chainloader	(hd0,0)/truecrypt.mbr

  My Grub2 version: 1.97~beta4

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