Ubiquity 2.15.20
Error: "/var/tmp/kdecache-kubuntu" is owned by uid 999 instead of uid 0.
mkdir failed: : Permission denied
TEXT <small>If more than one person will use this computer, you can set up multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
TEXT <small>If more than one person will use this computer, you can set up multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
QSocketNotifier: Invalid socket 14 and type 'Read', disabling...
QSocketNotifier: Invalid socket 14 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 14 and type 'Write', disabling...
Your console font configuration will be updated the next time your system
boots. If you want to update it now, run 'setupcon' from a virtual console.
update-initramfs is disabled since running on read-only media
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permission denied
Ubiquity 2.15.20
couldn't lock local file 
trying to create local folder /root/.kde: Permission denied
couldn't lock local file 
(4842)/KSharedDataCache KSharedDataCache::Private::mapSharedMemory: Failed to establish shared memory mapping, will fallback to private memory -- memory usage will increase 
TEXT <small>If more than one person will use this computer, you can set up multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
TEXT <small>If more than one person will use this computer, you can set up multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
QSocketNotifier: Invalid socket 14 and type 'Read', disabling...
QSocketNotifier: Invalid socket 14 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 14 and type 'Write', disabling...
QSocketNotifier: Invalid socket 14 and type 'Read', disabling...
QSocketNotifier: Invalid socket 14 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 14 and type 'Write', disabling...
Exception caught in process_line:
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 145, in process_line
    return self.dbfilter.process_line()
  File "/usr/lib/ubiquity/ubiquity/debconffilter.py", line 287, in process_line
    if not input_widgets[0].run(priority, question):
  File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 2303, in run
    for partition in parted.partitions():
  File "/usr/lib/ubiquity/ubiquity/parted_server.py", line 206, in partitions
    self.open_dialog('PARTITIONS')
  File "/usr/lib/ubiquity/ubiquity/parted_server.py", line 141, in open_dialog
    self.error_handler()
  File "/usr/lib/ubiquity/ubiquity/parted_server.py", line 112, in error_handler
    exception_type = self.read_line()[0]
  File "/usr/lib/ubiquity/ubiquity/parted_server.py", line 74, in read_line
    line = self.outf.readline().rstrip('\n')
  File "/usr/lib/python3.3/codecs.py", line 301, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb8 in position 107: invalid start byte
Exception PermissionError: PermissionError(13, 'Permission denied') in <bound method PartedServer.__del__ of <ubiquity.parted_server.PartedServer object at 0x7f4e853352d0>> ignored