gnome-shell crashed with signal 5

[csakalinuxjo]

gnome-shell crashed with signal 5

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.24.2-0ubuntu7
ProcVersionSignature: Ubuntu 4.11.0-10.15-generic 4.11.8
Uname: Linux 4.11.0-10-generic x86_64
ApportVersion: 2.20.5-0ubuntu5
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME-Greeter:GNOME
Date: Sat Jul 8 01:15:43 2017
DisplayManager: lightdm
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:

ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=hu_HU.UTF-8
 SHELL=/bin/false
Signal: 5
SourcePackage: gnome-shell
StacktraceTop:
 () at /usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 _XIOError () at /usr/lib/x86_64-linux-gnu/libX11.so.6
 _XReply () at /usr/lib/x86_64-linux-gnu/libX11.so.6
 XSync () at /usr/lib/x86_64-linux-gnu/libX11.so.6
 () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
Title: gnome-shell crashed with signal 5
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1556601, so 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. Please continue to report any other bugs you may find.