Comment 0 for bug 1689680

I'm trying to log in using Gnome Flashback but immediately gets thrown back out to the login screen again. I have this problem on all my computers that has 17.10 installed.

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~$ lsb_release -rd
Description: Ubuntu Artful Aardvark (development branch)
Release: 17.10
-----------------------------------------------------------------------
gnome-panel:
  Installed: 1:3.24.1-1ubuntu1
  Candidate: 1:3.24.1-1ubuntu1
  Version table:
 *** 1:3.24.1-1ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu artful/universe amd64 Packages
        100 /var/lib/dpkg/status
-----------------------------------------------------------------------

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-panel 1:3.24.1-1ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11
Uname: Linux 4.10.0-21-generic x86_64
ApportVersion: 2.20.4-0ubuntu6
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME-Flashback:GNOME
Date: Tue May 9 23:02:29 2017
ExecutablePath: /usr/bin/gnome-panel
GsettingsChanges:
 b'org.gnome.gnome-panel.layout' b'object-id-list' b"['menu-bar-0', 'indicators-0', 'show-desktop-0', 'window-list-0', 'workspace-switcher-0', 'launcher-0-7', 'launcher-0', 'launcher-0-6', 'launcher-0-3', 'launcher-0-4', 'multi-load-applet-0', 'launcher', 'launcher-1', 'launcher-4', 'launcher-3', 'launcher-2', 'launcher-5', 'launcher-6', 'timer-applet-0']"
 b'org.gnome.gnome-panel.layout' b'toplevel-id-list' b"['top-panel-0', 'bottom-panel-0']"
InstallationDate: Installed on 2015-01-22 (838 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
ProcCmdline: gnome-panel
SegvAnalysis:
 Segfault happened at: 0x7f7694402464: mov (%rax),%rdi
 PC (0x7f7694402464) ok
 source "(%rax)" (0xf2d81060) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-panel
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/gnome-panel/modules/wncklet.so
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-panel crashed with SIGSEGV in g_closure_invoke()
UpgradeStatus: Upgraded to artful on 2017-05-08 (0 days ago)
UserGroups: adm cdrom dip lpadmin lxd netdev plugdev sambashare sudo