could write /boot on mt hdd

[Jean-Pierre Ethier]

i was installing on fresh hd 169gb and near the end on install the install were not able to right to boot sector
i don't know more

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 Mar 18 00:32:51 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:
 LANGUAGE=fr_CA.UTF-8
 TERM=linux
 PATH=(custom, no user)
 LANG=fr_CA.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)