I've upgraded to 19.04 since, with network-manager-gnome 1.8.20-1ubuntu1 . It bleats some error messages to stderr on startup, but not a constant stream like before:
(nm-applet:13762): Gtk-WARNING **: 22:45:40.305: Can't set a parent on widget which has a parent (nm-applet:13762): Gdk-CRITICAL **: 22:45:40.569: gdk_window_thaw_toplevel_updates: assertion 'window->update_and_descendants_freeze_count > 0' failed (nm-applet:13762): Gtk-CRITICAL **: 22:45:41.561: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed (nm-applet:13762): Gtk-CRITICAL **: 22:45:41.561: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed (nm-applet:13762): Gtk-WARNING **: 22:45:41.572: Can't set a parent on widget which has a parent (nm-applet:13762): Gtk-CRITICAL **: 22:45:41.582: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed (nm-applet:13762): Gtk-CRITICAL **: 22:45:41.582: gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed (nm-applet:13762): Gtk-WARNING **: 22:45:41.595: Can't set a parent on widget which has a parent Running it with "--g-fatal-warnings" as you suggested just quits on the first warning, no crash, no dump: moses@jolyne:~$ nm-applet --g-fatal-warnings (nm-applet:13783): Gtk-WARNING **: 22:47:37.548: Can't set a parent on widget which has a parent Trace/breakpoint trap Attaching a new backtrace. (I attached a backtrace last time, but this bug was still marked "incomplete" and autocleaned. If this was because I was non-compliant, please tell me what I did or have done wrong.) ** Attachment added: "backtrace" https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/1799213/+attachment/5261086/+files/gdb-nm-applet.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1799213 Title: Gtk-CRITICAL gtk_widget_destroy: assertion 'GTK_IS_WIDGET (widget)' failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/1799213/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
