@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/dash-to-d...@micxgx.gmail.com/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 Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722986 Title: gnome-shell crashed with SIGSEGV in g_type_check_instance_cast() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1722986/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
