From /var/log/apport.log
ERROR: apport (pid 29559) Wed Sep 19 09:22:45 2018: called for pid 27852, signal 11, core limit 18446744073709551615, dump mode 1 ERROR: apport (pid 29559) Wed Sep 19 09:22:45 2018: ignoring implausibly big core limit, treating as unlimited ERROR: apport (pid 29559) Wed Sep 19 09:22:45 2018: executable: /usr/bin/gnome-shell (command line "/usr/bin/gnome-shell") ERROR: apport (pid 29559) Wed Sep 19 09:22:45 2018: debug: session gdbus call: (true,)
ERROR: apport (pid 29559) Wed Sep 19 09:23:14 2018: wrote report /var/crash/_usr_bin_gnome-shell.1000.crash ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: called for pid 27871, signal 6, core limit 18446744073709551615, dump mode 1 ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: ignoring implausibly big core limit, treating as unlimited ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: executable: /usr/bin/Xwayland (command line "/usr/bin/Xwayland :0 -rootless -terminate -accessx -core -listen 4 -listen 5 -displayfd 6") ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: gdbus call error: Error: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: debug: session gdbus call: ERROR: apport (pid 30384) Wed Sep 19 09:23:20 2018: wrote report /var/crash/_usr_bin_Xwayland.1000.crash
From /var/log/apport.log
ERROR: apport (pid 29559) Wed Sep 19 09:22:45 2018: called for pid 27852, signal 11, core limit 184467440737095 51615, dump mode 1 gnome-shell (command line "/usr/bin/ gnome-shell" )
ERROR: apport (pid 29559) Wed Sep 19 09:22:45 2018: ignoring implausibly big core limit, treating as unlimited
ERROR: apport (pid 29559) Wed Sep 19 09:22:45 2018: executable: /usr/bin/
ERROR: apport (pid 29559) Wed Sep 19 09:22:45 2018: debug: session gdbus call: (true,)
ERROR: apport (pid 29559) Wed Sep 19 09:23:14 2018: wrote report /var/crash/ _usr_bin_ gnome-shell. 1000.crash 51615, dump mode 1 org.freedesktop .DBus.Error. ServiceUnknown: The name org.gnome. SessionManager was not provided by any .service files
ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: called for pid 27871, signal 6, core limit 184467440737095
ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: ignoring implausibly big core limit, treating as unlimited
ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: executable: /usr/bin/Xwayland (command line "/usr/bin/Xwayland :0 -rootless -terminate -accessx -core -listen 4 -listen 5 -displayfd 6")
ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: gdbus call error: Error: GDBus.Error:
ERROR: apport (pid 30384) Wed Sep 19 09:23:14 2018: debug: session gdbus call: _usr_bin_ Xwayland. 1000.crash
ERROR: apport (pid 30384) Wed Sep 19 09:23:20 2018: wrote report /var/crash/