gnome-shell crashed with signal 5 in _XIOError()

[ROCHE]

My pc ASUS GL753V core I7 7700
this bug was present before the last update.
It's come on open desktop. I use a conky desktop. Is there that....

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-11.12-generic 4.13.1
Uname: Linux 4.13.0-11-generic x86_64
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME-Greeter:GNOME
Date: Sat Sep 23 01:18:02 2017
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:

InstallationDate: Installed on 2017-02-16 (220 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/false
Signal: 5
SourcePackage: gnome-shell
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libmutter-1.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:
 ?? () at wayland/meta-xwayland.c:134 from /tmp/apport_sandbox_R6cjKH/usr/lib/x86_64-linux-gnu/libmutter-1.so.0
 ?? ()
 _XIOError (dpy=dpy@entry=0x55578b8b4820) at ../../src/XlibInt.c:1469
 _XEventsQueued (dpy=dpy@entry=0x55578b8b4820, mode=mode@entry=2) at ../../src/xcb_io.c:352
 XPending (dpy=0x55578b8b4820) at ../../src/Pending.c:55

[Daniel van Vugt (vanvugt)]

This looks like bug 1505409, AFAICT