StacktraceTop: gcm_prefs_device_changed_cb (device=0x21dd71b8, prefs=0x21d7f328) at cc-color-panel.c:1863 g_cclosure_marshal_VOID__VOIDv (closure=0x22067698, return_value=0x0, instance=0x21dd71b8, args=0xbfe5621c "", marshal_data=0x0, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.31.20/./gobject/gmarshal.c:115 _g_closure_invoke_va (closure=0x22067698, return_value=0x0, instance=0x21dd71b8, args=0xbfe5621c "", n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:840 g_signal_emit_valist (instance=0x21dd71b8, signal_id=303, detail=0, var_args=0xbfe5621c "") at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3206 g_signal_emit (instance=0x21dd71b8, signal_id=303, detail=0) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
StacktraceTop: device_ changed_ cb (device=0x21dd71b8, prefs=0x21d7f328) at cc-color- panel.c: 1863 marshal_ VOID__VOIDv (closure= 0x22067698, return_value=0x0, instance= 0x21dd71b8, args=0xbfe5621c "", marshal_data=0x0, n_params=0, param_types=0x0) at /build/ buildd/ glib2.0- 2.31.20/ ./gobject/ gmarshal. c:115 invoke_ va (closure= 0x22067698, return_value=0x0, instance= 0x21dd71b8, args=0xbfe5621c "", n_params=0, param_types=0x0) at /build/ buildd/ glib2.0- 2.31.20/ ./gobject/ gclosure. c:840 emit_valist (instance= 0x21dd71b8, signal_id=303, detail=0, var_args=0xbfe5621c "") at /build/ buildd/ glib2.0- 2.31.20/ ./gobject/ gsignal. c:3206 0x21dd71b8, signal_id=303, detail=0) at /build/ buildd/ glib2.0- 2.31.20/ ./gobject/ gsignal. c:3352
gcm_prefs_
g_cclosure_
_g_closure_
g_signal_
g_signal_emit (instance=