Public bug reported:

Unfortunately, I do not know where I need to look to provide further
information. The error dialog was terse and gave no indication as to
what the problem was. If you can make any suggestions as to how I should
troubleshoot this problem I would be grateful. The disk configuration
was as follows:

/dev/sda: 2GB SATA hard drive which was configured to receive the boot loader. 
It only had a standard MS-DOS partition table on it.
The drive wasnot used during the installation, except to receive the boot 
loader.

/dev/sdb: 120GB SSD SATA drive. This drive was configured as a one
volume LVM group with 4 logical volumes and Linux was installed on it.

/dev/sdc: 120GB SSD SATA drive. This drive was configured as a LVM
physical volume and was not used during the installation.

This was a re-installation of Linux over a previously working system.
The reinstallation was done because an attempt to convert /dev/sda to a
one volume LVM group with 2 logical volumes had resulted in the boot
loader disappearing from it, and I was hoping to repair the situation.

In summary, I expected the GRUB-2 boot loader to be installed on
/dev/sda where the installer proposed it should go and where it had
previously existed.

Below is the output from lsb_release from the Live CD
l
Below is the output from fdisk -l
ubuntu@ubuntu:~$ sudo fdisk -l
ubuntu@ubuntu:~$ lsb_release -rd
Description:    Ubuntu 12.10
Release:        12.10


Disk /dev/sda: 2000.4 GB, 2000398934016 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x000af25b

   Device Boot      Start         End      Blocks   Id  System

WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util
fdisk doesn't support GPT. Use GNU Parted.


Disk /dev/sdb: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x1cc612c5

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1   234441647   117220823+  ee  GPT

Disk /dev/sdc: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdc doesn't contain a valid partition table

Disk /dev/mapper/HectorLvg-BootLV: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders, total 2097152 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/HectorLvg-BootLV doesn't contain a valid partition
table

Disk /dev/mapper/HectorLvg-SystemLV: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders, total 41943040 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/HectorLvg-SystemLV doesn't contain a valid partition
table

Disk /dev/mapper/HectorLvg-HomeLV: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders, total 20971520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/HectorLvg-HomeLV doesn't contain a valid partition
table

Disk /dev/mapper/HectorLvg-VarLV: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders, total 41943040 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/mapper/HectorLvg-VarLV doesn't contain a valid partition table
ubuntu@ubuntu:~$

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: ubiquity 2.12.16
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu3
Architecture: amd64
CasperVersion: 1.328
Date: Mon Apr 22 06:06:28 2013
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper 
initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
ProcEnviron:
 TERM=unknown
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal ubiquity-2.12.16

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https://bugs.launchpad.net/bugs/1171421

Title:
  Boot loader fails to install from Live CD on 12.10

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