installation crashed while 'configuring keyboard'

[Ryan Ash]

15.04 installation crash

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: ubiquity 2.21.3
ProcVersionSignature: Ubuntu 3.18.0-8.9-generic 3.18.1
Uname: Linux 3.18.0-8-generic x86_64
ApportVersion: 2.15.1-0ubuntu2
Architecture: amd64
CasperVersion: 1.347
Date: Sat Jan 10 20:17:05 2015
InstallCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150110)
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 11 02:45:15 ubuntu /plugininstall.py: Traceback (most recent call last):
Jan 11 02:45:15 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1765, in <module>
Jan 11 02:45:15 ubuntu /plugininstall.py: install.run()
Jan 11 02:45:15 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 78, in wrapper
Jan 11 02:45:15 ubuntu /plugininstall.py: func(self)
Jan 11 02:45:15 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 204, in run
Jan 11 02:45:15 ubuntu /plugininstall.py: self.configure_plugins()
Jan 11 02:45:15 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 570, in configure_plugins
Jan 11 02:45:15 ubuntu /plugininstall.py: self.run_plugin(plugin)
Jan 11 02:45:15 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 547, in run_plugin
Jan 11 02:45:15 ubuntu /plugininstall.py: "Plugin %s failed with code %s" % (plugin.NAME, ret))
Jan 11 02:45:15 ubuntu /plugininstall.py: ubiquity.install_misc.InstallStepError: Plugin console_setup failed with code 1
Jan 11 02:45:15 ubuntu /plugininstall.py: