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 Ubuntu Bugs, which is subscribed to 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)) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1755716/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs