Comment 3 for bug 1594202

$ apport-collect 1594202
Failed to connect to Mir: Failed to connect to server socket: No such file or directory
Unable to init server: Could not connect: Connection refused
Failed to connect to Mir: Failed to connect to server socket: No such file or directory
Unable to init server: Could not connect: Connection refused
/usr/share/apport/apport-gtk:16: PyGIWarning: Wnck was imported without specifying a version first. Use gi.require_version('Wnck', '3.0') before import to ensure that the right version gets loaded.
  from gi.repository import GLib, Wnck, GdkX11, Gdk

(apport-gtk:2988): Gtk-CRITICAL **: gtk_settings_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
/usr/share/apport/apport-gtk:60: Warning: g_object_get_qdata: assertion 'G_IS_OBJECT (object)' failed
  'apport-gtk.ui'))
Segmentation fault (core dumped)

I'm on a console on ssh. This is why I haven't used report-bug.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04 LTS
Release: 16.04
Codename: xenial

$ dpkg -l dovecot-core
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-====================================-=======================-=======================-==============================================================================
ii dovecot-core 1:2.2.22-1ubuntu2 amd64 secure POP3/IMAP server - core files