In UbiquitySyslog.txt:

Oct  7 21:53:10 linux localechooser: Generating locales...
Oct  7 21:53:10 linux localechooser:   en_GB.UTF-8... 
Oct  7 21:53:12 linux localechooser: done
Oct  7 21:53:12 linux localechooser: Generation complete.
Oct  7 21:53:12 linux localechooser: Generating locales...
Oct  7 21:53:12 linux localechooser:   en_US.UTF-8... 
Oct  7 21:53:12 linux localechooser: up-to-date
Oct  7 21:53:12 linux localechooser: Generation complete.
Oct  7 21:53:12 linux ubiquity: Traceback (most recent call last):
Oct  7 21:53:12 linux ubiquity:   File "/usr/bin/fontconfig-voodoo", line 6, in <module>
Oct  7 21:53:12 linux ubiquity:     from LanguageSelector import FontConfig
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/dist-packages/LanguageSelector/FontConfig.py", line 18, in <module>
Oct  7 21:53:12 linux ubiquity:     from utils import language2locale
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/dist-packages/LanguageSelector/utils.py", line 9, in <module>
Oct  7 21:53:12 linux ubiquity:     import tempfile
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/tempfile.py", line 34, in <module>
Oct  7 21:53:12 linux ubiquity:     from random import Random as _Random
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 881, in <module>
Oct  7 21:53:12 linux ubiquity:     _inst = Random()
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 97, in __init__
Oct  7 21:53:12 linux ubiquity:     self.seed(x)
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 111, in seed
Oct  7 21:53:12 linux ubiquity:     a = long(_hexlify(_urandom(16)), 16)
Oct  7 21:53:12 linux ubiquity: OSError: [Errno 2] No such file or directory: '/dev/urandom'
Oct  7 21:53:12 linux ubiquity: Error in sys.excepthook:
Oct  7 21:53:12 linux ubiquity: Traceback (most recent call last):
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/dist-packages/apport_python_hook.py", line 66, in apport_excepthook
Oct  7 21:53:12 linux ubiquity:     from apport.fileutils import likely_packaged, get_recent_crashes
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/dist-packages/apport/__init__.py", line 1, in <module>
Oct  7 21:53:12 linux ubiquity:     from apport.report import Report
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/dist-packages/apport/report.py", line 12, in <module>
Oct  7 21:53:12 linux ubiquity:     import subprocess, tempfile, os.path, urllib, re, pwd, grp, os
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/tempfile.py", line 34, in <module>
Oct  7 21:53:12 linux ubiquity:     from random import Random as _Random
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 881, in <module>
Oct  7 21:53:12 linux ubiquity:     _inst = Random()
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 97, in __init__
Oct  7 21:53:12 linux ubiquity:     self.seed(x)
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 111, in seed
Oct  7 21:53:12 linux ubiquity:     a = long(_hexlify(_urandom(16)), 16)
Oct  7 21:53:12 linux ubiquity: OSError: [Errno 2] No such file or directory: '/dev/urandom'
Oct  7 21:53:12 linux ubiquity: 
Oct  7 21:53:12 linux ubiquity: Original exception was:
Oct  7 21:53:12 linux ubiquity: Traceback (most recent call last):
Oct  7 21:53:12 linux ubiquity:   File "/usr/bin/fontconfig-voodoo", line 6, in <module>
Oct  7 21:53:12 linux ubiquity:     
Oct  7 21:53:12 linux ubiquity: from LanguageSelector import FontConfig
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/dist-packages/LanguageSelector/FontConfig.py", line 18, in <module>
Oct  7 21:53:12 linux ubiquity:     from utils import language2locale
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/dist-packages/LanguageSelector/utils.py", line 9, in <module>
Oct  7 21:53:12 linux ubiquity:     import tempfile
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/tempfile.py", line 34, in <module>
Oct  7 21:53:12 linux ubiquity:     from random import Random as _Random
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 881, in <module>
Oct  7 21:53:12 linux ubiquity:     _inst = Random()
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 97, in __init__
Oct  7 21:53:12 linux ubiquity:     self.seed(x)
Oct  7 21:53:12 linux ubiquity:   File "/usr/lib/python2.7/random.py", line 111, in seed
Oct  7 21:53:12 linux ubiquity:     a = long(_hexlify(_urandom(16)), 16)
Oct  7 21:53:12 linux ubiquity: OSError: [Errno 2] No such file or directory: '/dev/urandom'
Oct  7 21:53:12 linux plugininstall.py: log-output -t ubiquity chroot /target fontconfig-voodoo --auto --force --quiet