Grub2 failed to install on /dev/sda during Ubuntu Installation

[D3m0n1q_733rz]

All information pertaining to this error has been uploaded automatically.

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 i686
ApportVersion: 2.6.1-0ubuntu3
Architecture: i386
CasperVersion: 1.328
Date: Sun Feb 17 21:49:49 2013
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
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)

[D3m0n1q_733rz (cryo-rebirth)]

I've come to find that it's because Ubuntu doesn't include the files and work-around necessary to allow installation to btrfs filesystem. I recommend including a check/prompt to ensure that 1 MB exists at the beginning of the drive to allow the use of btrfs as the root file system as not having it results in an installation failure of Grub2.

[Phillip Susi (psusi)]

You mean your first partition starts on sector 63 instead of 2048? The latter has been the standard now for several years.