Comment 2 for bug 553087

Another example of the crash (when one selects guess keyboard-layout)

Ubiquity 2.2.11
/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py:558: GtkWarning: gtk_window_resize: assertion `width > 0' failed
  widget.resize(w, h)
locale.setlocale failed: unsupported locale setting (LANG=nl_NL.UTF-8)
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "nl_NL.UTF-8",
 LC_ALL = (unset),
 LANG = "nl_NL.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
locale.setlocale failed: unsupported locale setting (LANG=nl_BE.UTF-8)
Exception in GTK frontend (invoking crash handler):
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_components/keyboard_query.py", line 100, in key_press_event
    r = self.keyboard_detect.read_step(c)
  File "/usr/lib/ubiquity/ubiquity/keyboard_detector.py", line 96, in read_step
    raise Exception
Exception

Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_components/keyboard_query.py", line 100, in key_press_event
    r = self.keyboard_detect.read_step(c)
  File "/usr/lib/ubiquity/ubiquity/keyboard_detector.py", line 96, in read_step
    raise Exception
Exception
/usr/lib/ubiquity/plugins/ubi-timezone.py:215: GtkWarning: gtk_tree_path_append_index: assertion `index >= 0' failed
  if m[i][1]:
/usr/lib/ubiquity/plugins/ubi-timezone.py:215: GtkWarning: gtk_tree_model_get_iter: assertion `path->depth > 0' failed
  if m[i][1]:
Exception in GTK frontend (invoking crash handler):
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/plugin.py", line 44, in wrapper
    return target(self, *args, **kwargs)
  File "/usr/lib/ubiquity/plugins/ubi-timezone.py", line 215, in on_region_combo_changed
    if m[i][1]:
IndexError: could not find tree path

Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/plugin.py", line 44, in wrapper
    return target(self, *args, **kwargs)
  File "/usr/lib/ubiquity/plugins/ubi-timezone.py", line 215, in on_region_combo_changed
    if m[i][1]:
IndexError: could not find tree path
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "nl_BE.UTF-8",
 LC_ALL = (unset),
 LANG = "nl_BE.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "nl_BE.UTF-8",
 LC_ALL = (unset),
 LANG = "nl_BE.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
/var/lib/dpkg/info/console-setup.config: line 1309: warning: setlocale: LC_CTYPE: cannot change locale (nl_BE.UTF-8): No such file or directory
/var/lib/dpkg/info/console-setup.config: line 1309: warning: setlocale: LC_NUMERIC: cannot change locale (nl_BE.UTF-8): No such file or directory
/var/lib/dpkg/info/console-setup.config: line 1309: warning: setlocale: LC_TIME: cannot change locale (nl_BE.UTF-8): No such file or directory
/var/lib/dpkg/info/console-setup.config: line 1309: warning: setlocale: LC_COLLATE: cannot change locale (nl_BE.UTF-8): No such file or directory
/var/lib/dpkg/info/console-setup.config: line 1309: warning: setlocale: LC_MESSAGES: cannot change locale (nl_BE.UTF-8): No such file or directory
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "nl_BE.UTF-8",
 LC_ALL = (unset),
 LANG = "nl_BE.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "nl_BE.UTF-8",
 LC_ALL = (unset),
 LANG = "nl_BE.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
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.
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "nl_BE.UTF-8",
 LC_ALL = (unset),
 LANG = "nl_BE.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = "nl_BE.UTF-8",
 LC_ALL = (unset),
 LANG = "nl_BE.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
update-initramfs is disabled since running on read-only media