gnome-shell crashed with signal 5 in _XIOError()

[Matt Austin]

Prompted to report crash on login.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: gnome-shell 3.18.3-3ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-11.26-generic 4.4.4
Uname: Linux 4.4.0-10-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME
Date: Tue Mar 8 13:31:30 2016
DisplayManager:

ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:

InstallationDate: Installed on 2015-04-07 (336 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Beta amd64 (20150326)
ProcCmdline: gnome-shell --mode=gdm --wayland --display-server
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_AU.UTF-8
 SHELL=/bin/false
Signal: 5
SourcePackage: gnome-shell
StacktraceTop:
 ?? () from /usr/lib/libmutter.so.0
 ?? ()
 _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6
Title: gnome-shell crashed with signal 5 in _XIOError()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 x_io_error () from /tmp/apport_sandbox_rbkGGY/usr/lib/libmutter.so.0
 ?? ()
 _XIOError (dpy=dpy@entry=0x14c2900) at ../../src/XlibInt.c:1464
 _XEventsQueued (dpy=dpy@entry=0x14c2900, mode=mode@entry=2) at ../../src/xcb_io.c:366
 XPending (dpy=0x14c2900) at ../../src/Pending.c:55

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1505409, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.