gnome-shell crashed with signal 5 in _XReply()

[Steve Mottram]

Crashed seemingly randomly just after performing a search. Using Ubuntu GNOME 16.04 Beta

uname -a output:

Linux steve-ThinkPad-SL510 4.4.0-14-generic #30-Ubuntu SMP Tue Mar 15 13:04:17 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: gnome-shell 3.18.4-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-14.30-generic 4.4.5
Uname: Linux 4.4.0-14-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon Mar 21 18:49:25 2016
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2015-12-05 (107 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
Signal: 5
SourcePackage: gnome-shell
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 XSync () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 ?? () from /usr/lib/libmutter.so.0
Title: gnome-shell crashed with signal 5 in _XReply()
UpgradeStatus: Upgraded to xenial on 2016-03-12 (9 days ago)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 XSync (dpy=0x26298a0, discard=0) at ../../src/Sync.c:44
 meta_pre_paint_func () from /tmp/apport_sandbox_uIHhZ5/usr/lib/libmutter.so.0
 _clutter_run_repaint_functions () from /tmp/apport_sandbox_uIHhZ5/usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
 clutter_clock_dispatch () from /tmp/apport_sandbox_uIHhZ5/usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
 g_main_context_dispatch () from /tmp/apport_sandbox_uIHhZ5/lib/x86_64-linux-gnu/libglib-2.0.so.0

[Daniel van Vugt (vanvugt)]

Looks close to bug 1691701.