Crash just happened again, right after unlocking screen saver, then the gnome launcher on the left and status bar at the top disappeared, followed a few seconds later by Xorg exiting
$ journalctl -t org.gnome.Shell.desktop -- Logs begin at Wed 2018-03-14 08:38:31 GMT, end at Wed 2018-03-14 10:19:54 GMT. -- Mar 14 08:38:35 apiateklt2 org.gnome.Shell.desktop[1781]: glamor: EGL version 1.4 (DRI2): Mar 14 08:38:39 apiateklt2 org.gnome.Shell.desktop[1781]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 08:39:06 apiateklt2 org.gnome.Shell.desktop[3037]: Supported Mar 14 08:39:10 apiateklt2 org.gnome.Shell.desktop[3037]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 08:39:12 apiateklt2 org.gnome.Shell.desktop[3037]: ** Mar 14 08:39:12 apiateklt2 org.gnome.Shell.desktop[3037]: Gtk:ERROR:/build/gtk+3.0-wTY3BU/gtk+3.0-3.22.25/./gtk/gtkicontheme.c:4259:gtk_icon_info_load_icon_finish: assertion failed: (icon_info_get_pixbuf_ready (icon_info)) Mar 14 08:39:12 apiateklt2 org.gnome.Shell.desktop[3037]: == Stack trace for context 0x55bf742e9170 == Mar 14 08:39:15 apiateklt2 org.gnome.Shell.desktop[3750]: current session already has an ibus-daemon. Mar 14 08:39:15 apiateklt2 org.gnome.Shell.desktop[3750]: Supported Mar 14 08:39:17 apiateklt2 org.gnome.Shell.desktop[3750]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 08:39:17 apiateklt2 org.gnome.Shell.desktop[3750]: ** Mar 14 08:39:17 apiateklt2 org.gnome.Shell.desktop[3750]: Gtk:ERROR:/build/gtk+3.0-wTY3BU/gtk+3.0-3.22.25/./gtk/gtkicontheme.c:4259:gtk_icon_info_load_icon_finish: assertion failed: (icon_info_get_pixbuf_ready (icon_info)) Mar 14 08:39:17 apiateklt2 org.gnome.Shell.desktop[3750]: == Stack trace for context 0x563a2ce61170 == Mar 14 08:39:38 apiateklt2 org.gnome.Shell.desktop[4184]: current session already has an ibus-daemon. Mar 14 08:39:38 apiateklt2 org.gnome.Shell.desktop[4184]: Supported Mar 14 08:39:41 apiateklt2 org.gnome.Shell.desktop[4184]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 08:39:43 apiateklt2 org.gnome.Shell.desktop[4184]: Installed Mar 14 08:48:07 apiateklt2 org.gnome.Shell.desktop[4184]: Window manager warning: Invalid WM_TRANSIENT_FOR window 0x6600024 specified for 0x660002b ( ). Mar 14 10:16:46 apiateklt2 org.gnome.Shell.desktop[4184]: Supported Mar 14 10:16:47 apiateklt2 org.gnome.Shell.desktop[4184]: Installed Mar 14 10:16:50 apiateklt2 org.gnome.Shell.desktop[31642]: current session already has an ibus-daemon. Mar 14 10:16:51 apiateklt2 org.gnome.Shell.desktop[31642]: Supported Mar 14 10:16:52 apiateklt2 org.gnome.Shell.desktop[31642]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 10:16:55 apiateklt2 org.gnome.Shell.desktop[31642]: ** Mar 14 10:16:55 apiateklt2 org.gnome.Shell.desktop[31642]: Gtk:ERROR:/build/gtk+3.0-wTY3BU/gtk+3.0-3.22.25/./gtk/gtkicontheme.c:4259:gtk_icon_info_load_icon_finish: assertion failed: (icon_info_get_pixbuf_ready (icon_info)) Mar 14 10:16:55 apiateklt2 org.gnome.Shell.desktop[31642]: == Stack trace for context 0x55c252c29170 == Mar 14 10:17:15 apiateklt2 org.gnome.Shell.desktop[32029]: current session already has an ibus-daemon. Mar 14 10:17:15 apiateklt2 org.gnome.Shell.desktop[32029]: Supported Mar 14 10:17:18 apiateklt2 org.gnome.Shell.desktop[32029]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 10:17:19 apiateklt2 org.gnome.Shell.desktop[32029]: ** Mar 14 10:17:19 apiateklt2 org.gnome.Shell.desktop[32029]: Gtk:ERROR:/build/gtk+3.0-wTY3BU/gtk+3.0-3.22.25/./gtk/gtkicontheme.c:4259:gtk_icon_info_load_icon_finish: assertion failed: (icon_info_get_pixbuf_ready (icon_info)) Mar 14 10:17:19 apiateklt2 org.gnome.Shell.desktop[32029]: == Stack trace for context 0x55a6a55cf170 == Mar 14 10:17:19 apiateklt2 org.gnome.Shell.desktop[32514]: current session already has an ibus-daemon. Mar 14 10:17:20 apiateklt2 org.gnome.Shell.desktop[32514]: Supported Mar 14 10:17:20 apiateklt2 org.gnome.Shell.desktop[32514]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 10:17:21 apiateklt2 org.gnome.Shell.desktop[32514]: ** Mar 14 10:17:21 apiateklt2 org.gnome.Shell.desktop[32514]: Gtk:ERROR:/build/gtk+3.0-wTY3BU/gtk+3.0-3.22.25/./gtk/gtkicontheme.c:4259:gtk_icon_info_load_icon_finish: assertion failed: (icon_info_get_pixbuf_ready (icon_info)) Mar 14 10:17:21 apiateklt2 org.gnome.Shell.desktop[32514]: == Stack trace for context 0x5598ab236170 == Mar 14 10:17:47 apiateklt2 org.gnome.Shell.desktop[32686]: current session already has an ibus-daemon. Mar 14 10:17:48 apiateklt2 org.gnome.Shell.desktop[32686]: Supported Mar 14 10:17:50 apiateklt2 org.gnome.Shell.desktop[32686]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 10:17:52 apiateklt2 org.gnome.Shell.desktop[32686]: Installed -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/1755716 Title: gnome crash - gtkicontheme.c:4259:gtk_icon_info_load_icon_finish: assertion failed: (icon_info_get_pixbuf_ready (icon_info)) Status in gnome-session package in Ubuntu: New Bug description: journalctl output Mar 14 08:39:16 apiateklt2 gnome-shell[3750]: Some code accessed the property 'introspectBusObject' on the module 'util'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix Mar 14 08:39:16 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] Attempting to re-register :1.69/org/ayatana/NotificationItem/multiload; resetting instead Mar 14 08:39:16 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] Item :1.69/org/ayatana/NotificationItem/multiload is already registered Mar 14 08:39:16 apiateklt2 fwupd[3400]: already added DELL-f598a50b-56c8-5c9c-9509-fe2804475ad6lu by dell Mar 14 08:39:16 apiateklt2 fwupd[3400]: already added DELL-f06e62b7-7039-5d5d-9c65-f7fccacbafbflu by dell Mar 14 08:39:16 apiateklt2 slack.desktop[3293]: Creating Slack Application Mar 14 08:39:16 apiateklt2 gnome-shell[3750]: Some code accessed the property 'SNIStatus' on the module 'appIndicator'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix y Mar 14 08:39:16 apiateklt2 gnome-shell[3750]: Some code accessed the property 'Client' on the module 'dbusMenu'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your cod Mar 14 08:39:16 apiateklt2 fwupd[3400]: already added UEFI-53f51f56-eff2-4516-9dda-ed501b3f0f8a-dev0 by uefi Mar 14 08:39:17 apiateklt2 fwupd[3400]: using plugins: altos, amt, colorhug, dell, dfu, ebitdo, steelseries, synapticsmst, thunderbolt, udev, uefi, unifying, upower, usb Mar 14 08:39:17 apiateklt2 dbus[1227]: [system] Successfully activated service 'org.freedesktop.fwupd' Mar 14 08:39:17 apiateklt2 systemd[1]: Started Firmware update daemon. Mar 14 08:39:17 apiateklt2 gnome-software[3335]: plugin fwupd took 10.3 seconds to do setup Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: gdk_pixbuf_scale_simple: assertion 'dest_height > 0' failed Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: Some code accessed the property 'dbusNodeImplementsInterfaces' on the module 'util'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but p Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: Error looking up permission: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.impl.portal.PermissionStore was not provided by any .service files Mar 14 08:39:17 apiateklt2 org.gnome.Shell.desktop[3750]: Window manager warning: "XF86RFKill" is not a valid accelerator Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: Some code accessed the property 'refreshPropertyOnProxy' on the module 'util'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] Attempting to re-register :1.69/org/ayatana/NotificationItem/multiload; resetting instead Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] Item :1.69/org/ayatana/NotificationItem/multiload is already registered Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] Attempting to re-register :1.69/org/ayatana/NotificationItem/multiload; resetting instead Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] Item :1.69/org/ayatana/NotificationItem/multiload is already registered Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-DEBUG] Registering StatusNotifierItem :1.72/org/ayatana/NotificationItem/Slack1 Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] Attempting to re-register :1.93/org/ayatana/NotificationItem/dropbox_client_3367; resetting instead Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] Item :1.93/org/ayatana/NotificationItem/dropbox_client_3367 is already registered Mar 14 08:39:17 apiateklt2 gnome-shell[3750]: [AppIndicatorSupport-WARN] while calling AboutToShow: Gio.IOErrorEnum: Method 'com.canonical.dbusmenu.AboutToShow' returned type '()', but expected '(b)' Mar 14 08:39:17 apiateklt2 org.gnome.Shell.desktop[3750]: ** Mar 14 08:39:17 apiateklt2 org.gnome.Shell.desktop[3750]: Gtk:ERROR:/build/gtk+3.0-wTY3BU/gtk+3.0-3.22.25/./gtk/gtkicontheme.c:4259:gtk_icon_info_load_icon_finish: assertion failed: (icon_info_get_pixbuf_ready (icon_info)) Mar 14 08:39:17 apiateklt2 org.gnome.Shell.desktop[3750]: == Stack trace for context 0x563a2ce61170 == Mar 14 08:39:17 apiateklt2 gnome-keyring-daemon[2876]: asked to register item /org/freedesktop/secrets/collection/login/807, but it's already registered Mar 14 08:39:17 apiateklt2 polkitd(authority=local)[1327]: Unregistered Authentication Agent for unix-session:3 (system bus name :1.132, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_GB.UTF-8) (disconnected from bus) Mar 14 08:39:17 apiateklt2 gnome-session[2891]: gnome-session-binary[2891]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 6 Mar 14 08:39:17 apiateklt2 gnome-session-binary[2891]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 6 Mar 14 08:39:17 apiateklt2 gnome-session[2891]: gnome-session-binary[2891]: WARNING: App 'org.gnome.Shell.desktop' respawning too quickly Mar 14 08:39:17 apiateklt2 gnome-session-binary[2891]: WARNING: App 'org.gnome.Shell.desktop' respawning too quickly Mar 14 08:39:17 apiateklt2 gnome-session-binary[2891]: Unrecoverable failure in required component org.gnome.Shell.desktop Mar 14 08:39:17 apiateklt2 gnome-session-binary[2891]: CRITICAL: We failed, but the fail whale is dead. Sorry.... Mar 14 08:39:17 apiateklt2 gnome-session[2891]: gnome-session-binary[2891]: CRITICAL: We failed, but the fail whale is dead. Sorry.... ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: gnome-session-bin 3.26.1-0ubuntu6 ProcVersionSignature: Ubuntu 4.13.0-36.40-generic 4.13.13 Uname: Linux 4.13.0-36-generic x86_64 ApportVersion: 2.20.7-0ubuntu3.7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Wed Mar 14 08:41:55 2018 InstallationDate: Installed on 2017-08-11 (214 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) SourcePackage: gnome-session UpgradeStatus: Upgraded to artful on 2017-12-19 (84 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1755716/+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

