** WARNING **: Tablet 'usb:056a:0015' has no buttons defined, do something!

** WARNING **: Tablet 'usb:056a:0014' has no buttons defined, do something!

** WARNING **: Tablet 'usb:056a:0013' has no buttons defined, do something!

wacom-plugin-WARNING **: Failed to get value for changed stylus ID on device '11

wacom-plugin-CRITICAL **: gsd_wacom_stylus_get_name: assertion `GSD_IS_WACOM_STYLUS (stylus)' failed

wacom-plugin-CRITICAL **: gsd_wacom_stylus_get_settings: assertion `GSD_IS_WACOM_STYLUS (stylus)' failed

GLib-GIO-CRITICAL **: g_settings_get_value: assertion `G_IS_SETTINGS (settings)' failed

GLib-CRITICAL **: g_variant_get_type: assertion `value != NULL' failed

GLib-CRITICAL **: g_variant_type_is_subtype_of: assertion `g_variant_type_check (type)' failed

GLib-CRITICAL **: g_variant_get_fixed_array: assertion `g_variant_is_of_type (value, G_VARIANT_TYPE_ARRAY)' failed

GLib-CRITICAL **: g_variant_unref: assertion `value != NULL' failed

wacom-plugin-ERROR **: Pressurecurve requires 4 values.
gnome-session[1027]: WARNING: Application 'gnome-settings-daemon.desktop' killed by signal

