[Bug 1354948] Re: Installed Ubuntu 14.04.1 Desktop LTS using RAID1+LVM and Grub failed to install

[Huygens]

I rebooted and was greeted by grub but without any menu, just the grub command line...
It is late in my local time zone, so this is some more tasks for another day...

Btw, if anyone knows a brainless step-by-step how to install Ubuntu
Desktop using software RAID, he is more than welcome. Sadly the
Alternate CD is no longer supported...

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https://bugs.launchpad.net/bugs/1354948

Title:
  Installed Ubuntu 14.04.1 Desktop LTS using RAID1+LVM and Grub failed
  to install

Status in “grub-installer” package in Ubuntu:
  New

Bug description:
  I booted on Ubuntu 14.04.1 Desktop 64 bit (using the USB), went to ry
  Ubuntu and partition the 2 HDD (SATA 320GB) as I wanted, which is:

    - 2x 512MB as RAID1 (md) w/ ext4 for /boot
    - 2x 6GB as RAID0 (md) for swap
    - 2x 64GB as RAID1 (md) + 1 Logical Volume (LVM2) using all available space with ext4 as /
    - 2x remainder space as BTRFS RAID1 configuration for /home

  Why so complex? I had first only the /boot and swap on software RAID, the rest was under BTRFS with 2 volumes (for home and for /), but it was problematic to boot. So I "moved" the / to another more classical partition scheme using mdadm and lvm.
  But it does not work.

  I did this to at least get grub-install to report no blocking error:
  sudo -s
  echo raid1 >> /target/etc/modules
  echo dm-mod >> /target/etc/modules
  echo dm-snapshot >> /target/etc/modules
  echo dm-mirror >> /target/etc/modules
  echo raid1 >> /target/etc/initramfs-tools/modules
  echo dm-mod >> /target/etc/initramfs-tools/modules
  echo dm-snapshot >> /target/etc/initramfs-tools/modules
  echo dm-mirror >> /target/etc/initramfs-tools/modules
  mount --bind /dev /target/dev
  mount --bind /dev/pts /target/dev/pts
  mount --bind /proc /target/proc
  mount --bind /sys /target/sys
  chroot /target grub-install /dev/sda
  chroot /target grub-install /dev/sdb

  The command grub-install is outputing in both cases this:
  Installing for i386-pc platform.
  You have a memory leak (not released memory pool):
   [0x1b765f0] dtree
  Internal error: Unreleased memory pool(s) found.
  You have a memory leak (not released memory pool):
   [0x1b774f0] dtree
  Internal error: Unreleased memory pool(s) found.
  You have a memory leak (not released memory pool):
   [0x1b79a70] dtree
  Internal error: Unreleased memory pool(s) found.
  Installation finished. No error reported.

  
  I will report after reboot if it worked or not.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubiquity 2.18.8
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CasperVersion: 1.340
  Date: Sun Aug 10 23:13:35 2014
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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