Comment 2 for bug 1298908

From Syslog:

Mar 28 10:14:49 kubuntu grub-installer: info: Installing grub on '/dev/sda'
Mar 28 10:14:49 kubuntu grub-installer: info: grub-install does not support --no-floppy
Mar 28 10:14:49 kubuntu grub-installer: info: Running chroot /target grub-install --force "/dev/sda"
Mar 28 10:14:49 kubuntu grub-installer: Installing for i386-pc platform.
Mar 28 10:14:51 kubuntu grub-installer: Installation finished. No error reported.
Mar 28 10:14:51 kubuntu grub-installer: info: grub-install ran successfully
Mar 28 10:14:51 kubuntu ubiquity: Can't read partition table from /dev/sda
Mar 28 10:14:51 kubuntu /plugininstall.py: log-output -t ubiquity umount /target/cdrom
Mar 28 10:14:51 kubuntu finish-install: Disabling CD in sources.list
Mar 28 10:14:51 kubuntu /plugininstall.py: Exception during installation:
Mar 28 10:14:51 kubuntu /plugininstall.py: Traceback (most recent call last):
Mar 28 10:14:51 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1780, in <module>
Mar 28 10:14:51 kubuntu /plugininstall.py: install.run()
Mar 28 10:14:51 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 78, in wrapper
Mar 28 10:14:51 kubuntu /plugininstall.py: func(self)
Mar 28 10:14:51 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 242, in run
Mar 28 10:14:51 kubuntu /plugininstall.py: self.configure_bootloader()
Mar 28 10:14:51 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1042, in configure_bootloader
Mar 28 10:14:51 kubuntu /plugininstall.py: self.db.input('critical', bootdev)
Mar 28 10:14:51 kubuntu /plugininstall.py: File "/usr/lib/python3/dist-packages/debconf.py", line 62, in <lambda>
Mar 28 10:14:51 kubuntu /plugininstall.py: lambda *args, **kw: self.command(command, *args, **kw))
Mar 28 10:14:51 kubuntu /plugininstall.py: File "/usr/lib/python3/dist-packages/debconf.py", line 83, in command
Mar 28 10:14:51 kubuntu /plugininstall.py: status = int(status)
Mar 28 10:14:51 kubuntu /plugininstall.py: ValueError: invalid literal for int() with base 10: ''
Mar 28 10:14:51 kubuntu /plugininstall.py: