These were the lines added to xsession-errors during the gdb sessions: checking for valid crashreport now checking for valid crashreport now Nautilus-Share-Message: Called "net usershare info" but it failed: 'net usershare' returned error 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error No such file or directory Please ask your system administrator to enable user sharing. checking for valid crashreport now checking for valid crashreport now checking for valid crashreport now checking for valid crashreport now Previously I had: (gnome-screenshot:20748): Gtk-WARNING **: GtkSpinButton: setting an adjustment with non-zero page size is deprecated ** (gnome-screenshot:20748): WARNING **: Couldn't find window manager window (gnome-screenshot:20748): GLib-GIO-CRITICAL **: g_file_new_for_uri: assertion `uri != NULL' failed (gnome-screenshot:20748): GLib-GIO-CRITICAL **: g_file_get_parent: assertion `G_IS_FILE (file)' failed (gnome-screenshot:20748): GLib-GIO-CRITICAL **: g_file_get_basename: assertion `G_IS_FILE (file)' failed (gnome-screenshot:20748): GLib-GIO-CRITICAL **: g_file_get_uri: assertion `G_IS_FILE (file)' failed (gnome-screenshot:20748): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (gnome-screenshot:20748): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (gnome-screenshot:20748): Gtk-CRITICAL **: gtk_file_chooser_set_current_folder_uri: assertion `uri != NULL' failed (gnome-screenshot:20748): Gtk-CRITICAL **: gtk_entry_set_text: assertion `text != NULL' failed (gnome-screenshot:20748): GLib-CRITICAL **: g_strrstr_len: assertion `haystack != NULL' failed (gnome-screenshot:21504): Gtk-WARNING **: GtkSpinButton: setting an adjustment with non-zero page size is deprecated ** (gnome-screenshot:21504): WARNING **: Couldn't find window manager window (gnome-screenshot:21504): GLib-GIO-CRITICAL **: g_file_new_for_uri: assertion `uri != NULL' failed (gnome-screenshot:21504): GLib-GIO-CRITICAL **: g_file_get_parent: assertion `G_IS_FILE (file)' failed (gnome-screenshot:21504): GLib-GIO-CRITICAL **: g_file_get_basename: assertion `G_IS_FILE (file)' failed (gnome-screenshot:21504): GLib-GIO-CRITICAL **: g_file_get_uri: assertion `G_IS_FILE (file)' failed (gnome-screenshot:21504): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (gnome-screenshot:21504): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (gnome-screenshot:21504): Gtk-CRITICAL **: gtk_file_chooser_set_current_folder_uri: assertion `uri != NULL' failed (gnome-screenshot:21504): Gtk-CRITICAL **: gtk_entry_set_text: assertion `text != NULL' failed (gnome-screenshot:21504): GLib-CRITICAL **: g_strrstr_len: assertion `haystack != NULL' failed (gnome-screenshot:21977): Gtk-WARNING **: GtkSpinButton: setting an adjustment with non-zero page size is deprecated ** (gnome-screenshot:21977): WARNING **: Couldn't find window manager window (gnome-screenshot:21977): GLib-GIO-CRITICAL **: g_file_new_for_uri: assertion `uri != NULL' failed (gnome-screenshot:21977): GLib-GIO-CRITICAL **: g_file_get_parent: assertion `G_IS_FILE (file)' failed (gnome-screenshot:21977): GLib-GIO-CRITICAL **: g_file_get_basename: assertion `G_IS_FILE (file)' failed (gnome-screenshot:21977): GLib-GIO-CRITICAL **: g_file_get_uri: assertion `G_IS_FILE (file)' failed (gnome-screenshot:21977): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (gnome-screenshot:21977): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (gnome-screenshot:21977): Gtk-CRITICAL **: gtk_file_chooser_set_current_folder_uri: assertion `uri != NULL' failed (gnome-screenshot:21977): Gtk-CRITICAL **: gtk_entry_set_text: assertion `text != NULL' failed (gnome-screenshot:21977): GLib-CRITICAL **: g_strrstr_len: assertion `haystack != NULL' failed gpgv: Signature made Sat 25 Oct 2008 00:32:20 BST using DSA key ID 437D05B5 gpgv: Good signature from "Ubuntu Archive Automatic Signing Key