vivid lubuntu installer crashes

[gregrwm]

most of the installer work already done, behind the crash window the installer window still said something like installing keyboard

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: ubiquity 2.21.3
ProcVersionSignature: Ubuntu 3.18.0-9.10-generic 3.18.2
Uname: Linux 3.18.0-9-generic i686
ApportVersion: 2.15.1-0ubuntu2
Architecture: i386
CasperVersion: 1.347
Date: Thu Jan 15 06:07:20 2015
InstallCmdLine: BOOT_IMAGE=(loop)/casper/vmlinuz iso-scan/filename=/boot/vivid-desktop-i386.iso boot=casper panic=30 --
LiveMediaBuild: Lubuntu 15.04 "Vivid Vervet" - Alpha i386 (20150114)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Jan 15 04:10:33 lubuntu /plugininstall.py: Traceback (most recent call last):
Jan 15 04:10:33 lubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1765, in <module>
Jan 15 04:10:33 lubuntu /plugininstall.py: install.run()
Jan 15 04:10:33 lubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 78, in wrapper
Jan 15 04:10:33 lubuntu /plugininstall.py: func(self)
Jan 15 04:10:33 lubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 204, in run
Jan 15 04:10:33 lubuntu /plugininstall.py: self.configure_plugins()
Jan 15 04:10:33 lubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 570, in configure_plugins
Jan 15 04:10:33 lubuntu /plugininstall.py: self.run_plugin(plugin)
Jan 15 04:10:33 lubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 547, in run_plugin
Jan 15 04:10:33 lubuntu /plugininstall.py: "Plugin %s failed with code %s" % (plugin.NAME, ret))
Jan 15 04:10:33 lubuntu /plugininstall.py: ubiquity.install_misc.InstallStepError: Plugin console_setup failed with code 1
Jan 15 04:10:33 lubuntu /plugininstall.py: