Comment 2 for bug 1051293

In UbiquitySyslog.txt:

Sep 15 14:18:35 ubuntu grub-installer: info: Identified partition label for /dev/sda1: msdos
Sep 15 14:18:36 ubuntu grub-installer: dpkg: warning: ignoring request to remove grub which isn't installed
Sep 15 14:18:36 ubuntu grub-installer: dpkg: warning: ignoring request to remove grub-legacy which isn't installed
Sep 15 14:18:38 ubuntu grub-installer: (Reading database ...
Sep 15 14:18:38 ubuntu grub-installer: 154549 files and directories currently installed.)
Sep 15 14:18:38 ubuntu grub-installer: Removing grub-pc ...
Sep 15 14:18:38 ubuntu grub-installer: Purging configuration files for grub-pc ...
Sep 15 14:18:39 ubuntu grub-installer: Removing grub-gfxpayload-lists ...
Sep 15 14:18:40 ubuntu grub-installer: Removing grub-pc-bin ...
Sep 15 14:18:40 ubuntu grub-installer: Processing triggers for man-db ...
Sep 15 14:18:41 ubuntu ubiquity: Lendo listas de pacotes...
Sep 15 14:18:44 ubuntu ubiquity:
Sep 15 14:18:44 ubuntu ubiquity: Construindo árvore de dependências...
Sep 15 14:18:44 ubuntu ubiquity:
Sep 15 14:18:44 ubuntu ubiquity: Lendo informação de estado...
Sep 15 14:18:44 ubuntu ubiquity: Os pacotes extra a seguir serão instalados:
Sep 15 14:18:44 ubuntu ubiquity: efibootmgr grub-common grub-efi-amd64 grub-efi-amd64-bin grub2-common
Sep 15 14:18:44 ubuntu ubiquity: Pacotes sugeridos:
Sep 15 14:18:44 ubuntu ubiquity: multiboot-doc grub-emu xorriso desktop-base
Sep 15 14:18:44 ubuntu ubiquity: Os NOVOS pacotes a seguir serão instalados:
Sep 15 14:18:44 ubuntu ubiquity: efibootmgr grub-efi grub-efi-amd64 grub-efi-amd64-bin
Sep 15 14:18:44 ubuntu ubiquity: Os pacotes a seguir serão atualizados:
Sep 15 14:18:44 ubuntu ubiquity: grub-common grub2-common
Sep 15 14:18:44 ubuntu ubiquity: 2 pacotes atualizados, 4 pacotes novos instalados, 0 a serem removidos e 96 não atualizados.
Sep 15 14:18:44 ubuntu ubiquity: É preciso baixar 3.373 kB/3.411 kB de arquivos.
Sep 15 14:18:44 ubuntu ubiquity: Depois desta operação, 3.410 kB adicionais de espaço em disco serão usados.
Sep 15 14:18:44 ubuntu ubiquity: Err http://br.archive.ubuntu.com/ubuntu/ quantal/main grub2-common amd64 2.00-4ubuntu1
Sep 15 14:18:44 ubuntu ubiquity: Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Err http://br.archive.ubuntu.com/ubuntu/ quantal/main grub-common amd64 2.00-4ubuntu1
Sep 15 14:18:44 ubuntu ubiquity: Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Err http://br.archive.ubuntu.com/ubuntu/ quantal/main grub-efi-amd64-bin amd64 2.00-4ubuntu1
Sep 15 14:18:44 ubuntu ubiquity: Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Err http://br.archive.ubuntu.com/ubuntu/ quantal/main grub-efi-amd64 amd64 2.00-4ubuntu1
Sep 15 14:18:44 ubuntu ubiquity: Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Err http://br.archive.ubuntu.com/ubuntu/ quantal/main grub-efi amd64 2.00-4ubuntu1
Sep 15 14:18:44 ubuntu ubiquity: Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/pool/main/g/grub2/grub2-common_2.00-4ubuntu1_amd64.deb Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/pool/main/g/grub2/grub-common_2.00-4ubuntu1_amd64.deb Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/pool/main/g/grub2/grub-efi-amd64-bin_2.00-4ubuntu1_amd64.deb Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/pool/main/g/grub2/grub-efi-amd64_2.00-4ubuntu1_amd64.deb Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: Falhou ao buscar http://br.archive.ubuntu.com/ubuntu/pool/main/g/grub2/grub-efi_2.00-4ubuntu1_amd64.deb Algo estranho aconteceu ao resolver 'br.archive.ubuntu.com:http' (-5 - Não há endereço associado com o nome)
Sep 15 14:18:44 ubuntu ubiquity: E: Impossível buscar alguns arquivos, talvez executar apt-get update ou tentar com --fix-missing?
Sep 15 14:18:44 ubuntu grub-installer: info: Calling 'apt-install grub-efi' failed
Sep 15 14:19:03 ubuntu ubiquity[3415]: Reverting lockdown of the desktop environment.
Sep 15 14:19:03 ubuntu activate-dmraid: No Serial ATA RAID disks detected
Sep 15 14:19:04 ubuntu plugininstall.py: log-output -t ubiquity umount /target/cdrom
Sep 15 14:19:04 ubuntu finish-install: Disabling CD in sources.list
Sep 15 14:19:04 ubuntu plugininstall.py: Exception during installation:
Sep 15 14:19:04 ubuntu plugininstall.py: Traceback (most recent call last):
Sep 15 14:19:04 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1710, in <module>
Sep 15 14:19:04 ubuntu plugininstall.py: install.run()
Sep 15 14:19:04 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 81, in wrapper
Sep 15 14:19:04 ubuntu plugininstall.py: func(self)
Sep 15 14:19:04 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 229, in run
Sep 15 14:19:04 ubuntu plugininstall.py: self.configure_bootloader()
Sep 15 14:19:04 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1006, in configure_bootloader
Sep 15 14:19:04 ubuntu plugininstall.py: "GrubInstaller failed with code %d" % ret)
Sep 15 14:19:04 ubuntu plugininstall.py: ubiquity.install_misc.InstallStepError: GrubInstaller failed with code 1
Sep 15 14:19:04 ubuntu plugininstall.py:
Sep 15 14:19:04 ubuntu ubiquity: umount: /target: device is busy.
Sep 15 14:19:04 ubuntu ubiquity: (In some cases useful info about processes that use
Sep 15 14:19:04 ubuntu ubiquity: the device is found by lsof(8) or fuser(1))
Sep 15 14:19:04 ubuntu ubiquity[3415]: debconffilter_done: ubi-partman (current: ubi-partman)
Sep 15 14:19:04 ubuntu ubiquity[3415]: Reverting lockdown of the desktop environment.