[Python-apps-team] Bug#864603: gufw does not launch

[jensome]

Package: gufw
Version: 17.04.1-1.1
Severity: important

Dear Maintainer,

Launching gufw on debian stretch does not work (tested on gnome desktop)

When started via terminal the messages below appear (after the root password was requested):
(the same error appears when gufw is started directly as root)

$ gufw
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_modifier_mask: assertion 'GDK_IS_KEYMAP (keymap)' failed

(gufw.py:2743): Gdk-CRITICAL **: gdk_keymap_get_for_display: assertion 'GDK_IS_DISPLAY (display)' failed

(gufw.py:2743): Gtk-CRITICAL **: _gtk_replace_virtual_modifiers: assertion 'GDK_IS_KEYMAP (keymap)' failed
/usr/bin/gufw-pkexec: line 13:  2743 Segmentation fault      python3 ${LOCATIONS[${i}]} $1



-- System Information:
Debian Release: 9.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.9.0-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gufw depends on:
ii  gir1.2-gtk-3.0      3.22.11-1
ii  gir1.2-webkit2-4.0  2.16.3-2
ii  net-tools           1.60+git20161116.90da8a0-1
ii  policykit-1         0.105-18
ii  python3             3.5.3-1
ii  python3-gi          3.22.0-2
ii  ufw                 0.35-4

gufw recommends no packages.

gufw suggests no packages.

-- no debconf information