gnome-session-binary crashed with signal 7 in IceProcessMessages()

after wakeup from sleep mode

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-session-bin 3.26.1-0ubuntu10
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: GNOME-Greeter:GNOME
Date: Sat Feb 17 13:54:36 2018
ExecutablePath: /usr/lib/gnome-session/gnome-session-binary
ExecutableTimestamp: 1518746782
InstallationDate: Installed on 2017-10-26 (113 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
JournalErrors:
 -- Logs begin at Sat 2018-02-17 07:49:01 CET, end at Sat 2018-02-17 14:01:24 CET. --
 Feb 17 07:50:06 serona pulseaudio[1325]: [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
 Feb 17 12:01:09 serona gnome-shell[829]: Connection to xwayland lost
ProcCmdline: /usr/lib/gnome-session/gnome-session-binary --autostart /usr/share/gdm/greeter/autostart
ProcCwd: /var/lib/gdm3
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/false
Signal: 7
SourcePackage: gnome-session
StacktraceTop:
 IceProcessMessages () from /usr/lib/x86_64-linux-gnu/libICE.so.6
 ?? ()
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: gnome-session-binary crashed with signal 7 in IceProcessMessages()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: