[Bug 1767799] Re: ubiquity crashed with reuse home and existing encrypted home - 'PageGtk' object has no attribute 'error_dialog'

[Christopher Barrington-Leigh]

It's 2022 and I have the same problem installing 22.10!

My problem looks like
https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1761377  ("ubi-
usersetup failed with exit code 141") and I don't think it should be
marked as a duplicate to this bug here.

Worse, there's no way to submit a bug report on the live USB session. If
I type ubuntu-bug and then pick from the menu install or installation, I
get an error immediately: Could not determine the package or source
package name.

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https://bugs.launchpad.net/bugs/1767799

Title:
  ubiquity crashed with reuse home and existing encrypted home -
  'PageGtk' object has no attribute 'error_dialog'

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  ubiquity crased - Impossible to install ubuntu 18.04.
  /var/log/installer/debug :

  Gtk-Message: 11:32:11.409: GtkDialog mapped without a transient parent. This is discouraged.
  Le schéma « com.canonical.indicator.session » n’existe pas
  Le schéma « com.canonical.indicator.session » n’existe pas
  Le schéma « com.canonical.indicator.session » n’existe pas
  Le schéma « com.canonical.indicator.session » n’existe pas
  /usr/lib/ubiquity/plugins/ubi-timezone.py:98: PyGIWarning: Soup was imported without specifying a version first. Use gi.require_version('Soup', '2.4') before import to ensure that the right version gets loaded.
    from gi.repository import Gtk, GObject, GLib, Soup
  Ecryptfs is deprecated
  Ecryptfs is deprecated
  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 302, in process_line
      if not widget.error(priority, question):
    File "/usr/lib/ubiquity/plugins/ubi-usersetup.py", line 816, in error
      self.ui.error_dialog(
  AttributeError: 'PageGtk' object has no attribute 'error_dialog'

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