@Daniel the title seems similar, but the StackTraceTop details are way different at first glance; so it could related to a lib rather than gnome-shell itself.
journalctl |grep WARNING Oct 12 06:28:27 zz64 gnome-shell[1075]: JS WARNING: [resource:///org/gnome/shell/ui/main.js 315]: reference to undefined property "MetaStage" Oct 12 06:28:27 zz64 gnome-shell[1075]: JS WARNING: [resource:///org/gnome/shell/ui/layout.js 221]: reference to undefined property "MetaWindowGroup" Oct 12 06:28:27 zz64 gnome-shell[1075]: JS WARNING: [resource:///org/gnome/shell/ui/osdMonitorLabeler.js 59]: reference to undefined property "MetaDBusDisplayConfigSkeleton" Oct 12 06:28:28 zz64 gnome-shell[1075]: JS WARNING: [resource:///org/gnome/shell/ui/slider.js 38]: reference to undefined property "CallyActor" Oct 12 06:28:30 zz64 gnome-session[1066]: gnome-session-binary[1066]: WARNING: App 'spice-vdagent.desktop' exited with code 1 Oct 12 06:28:30 zz64 gnome-session-binary[1066]: WARNING: App 'spice-vdagent.desktop' exited with code 1 Oct 12 06:28:32 zz64 gnome-shell[1075]: JS WARNING: [resource:///org/gnome/gjs/modules/tweener/tweener.js 540]: reference to undefined property "isSpecialProperty" Oct 12 06:28:32 zz64 gnome-shell[1075]: JS WARNING: [resource:///org/gnome/shell/ui/windowManager.js 1471]: reference to undefined property "MetaWindowX11" Oct 12 06:29:09 zz64 gnome-shell[1416]: JS WARNING: [resource:///org/gnome/shell/ui/main.js 315]: reference to undefined property "MetaStage" Oct 12 06:29:09 zz64 gnome-shell[1416]: JS WARNING: [resource:///org/gnome/shell/ui/layout.js 221]: reference to undefined property "MetaWindowGroup" Oct 12 06:29:09 zz64 gnome-shell[1416]: JS WARNING: [resource:///org/gnome/shell/ui/osdMonitorLabeler.js 59]: reference to undefined property "MetaDBusDisplayConfigSkeleton" Oct 12 06:29:09 zz64 gnome-shell[1416]: JS WARNING: [resource:///org/gnome/shell/ui/slider.js 38]: reference to undefined property "CallyActor" Oct 12 06:29:12 zz64 gnome-shell[1416]: JS WARNING: [resource:///org/gnome/gjs/modules/tweener/tweener.js 540]: reference to undefined property "isSpecialProperty" Oct 12 06:29:12 zz64 gnome-session[1328]: gnome-session-binary[1328]: WARNING: App 'spice-vdagent.desktop' exited with code 1 Oct 12 06:29:12 zz64 gnome-session-binary[1328]: WARNING: App 'spice-vdagent.desktop' exited with code 1 Oct 12 06:29:12 zz64 gnome-shell[1416]: JS WARNING: [/home/oem/.local/share/gnome-shell/extensions/TaskBar@zpydr/extension.js 941]: reference to undefined property "MESSAGE_TRAY" Oct 12 06:29:13 zz64 gnome-shell[1416]: JS WARNING: [/home/oem/.local/share/gnome-shell/extensions/native-window-placem...@gnome-shell-extensions.gcampax.github.com/extension.js 462]: JavaScript 1.6's for-each-in loops are deprecated; consider using ES6 for-of instead Oct 12 06:29:14 zz64 gnome-shell[1416]: JS WARNING: [/home/oem/.local/share/gnome-shell/extensions/[email protected]/utils.js 34]: reference to undefined property Symbol.toPrimitive Oct 12 06:29:36 zz64 zeitgeist-daemon[1861]: [04:29:36.458471 WARNING] zeitgeist-daemon.vala:127: Unable to parse version info! Oct 12 06:29:36 zz64 zeitgeist-daemon[1861]: [04:29:36.459351 WARNING] zeitgeist-daemon.vala:127: Unable to parse version info! Oct 12 06:29:36 zz64 zeitgeist-daemon[1861]: [04:29:36.594874 WARNING] zeitgeist-daemon.vala:127: Unable to parse version info! Oct 12 06:29:52 zz64 gnome-shell[1416]: JS WARNING: [resource:///org/gnome/shell/ui/modalDialog.js 218]: reference to undefined property "GdkX11Screen" -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1722986 Title: gnome-shell crashed with SIGSEGV in g_type_check_instance_cast() Status in gnome-shell package in Ubuntu: New Bug description: Was upgrading apport 2.20.7-0ubuntu3 when that crash have happened (at "configuring apport-gtk") ProblemType: Crash DistroRelease: Ubuntu 17.10 Package: gnome-shell 3.26.1-0ubuntu2 ProcVersionSignature: Ubuntu 4.13.0-15.16-generic 4.13.4 Uname: Linux 4.13.0-15-generic x86_64 ApportVersion: 2.20.7-0ubuntu3 Architecture: amd64 CurrentDesktop: GNOME Date: Thu Oct 12 05:24:44 2017 DisplayManager: lightdm EcryptfsInUse: Yes ExecutablePath: /usr/bin/gnome-shell ProcCmdline: /usr/bin/gnome-shell ProcEnviron: TERM=linux PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SegvAnalysis: Segfault happened at: 0x7f4c8be26e0d <g_type_check_instance_cast+77>: movzbl 0x16(%rax),%edx PC (0x7f4c8be26e0d) ok source "0x16(%rax)" (0xe58948c0ef0f666a) not located in a known VMA region (needed readable region)! destination "%edx" ok SegvReason: reading unknown VMA Signal: 11 SourcePackage: gnome-shell StacktraceTop: g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 st_label_set_text () from /usr/lib/gnome-shell/libst-1.0.so g_object_setv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 g_object_set_property () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 ?? () from /usr/lib/libgjs.so.0 Title: gnome-shell crashed with SIGSEGV in g_type_check_instance_cast() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1722986/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
