. Thread 1 (process 1785): #0 xfpm_brightness_widget_destroy (data=0x9e92618) at xfpm-brightness-widget.c:214 widget = #1 0x0072c0cc in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #2 0x0072b955 in g_main_context_dispatch () from /lib/libglib-2.0.so.0 No symbol table info available. #3 0x0072f658 in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #4 0x0072fbaf in g_main_loop_run () from /lib/libglib-2.0.so.0 No symbol table info available. #5 0x00428a29 in gtk_marshal_VOID__POINTER_UINT_UINT (closure=0x9eaca00, return_value=0x804dec0, n_param_values=166382080, param_values=0x0, invocation_hint=0xbfe92748, marshal_data=0xf763f0) at /build/buildd/gtk+2.0-2.19.4/gtk/gtkmarshal.c:915 data1 = (gpointer) 0x9eaca00 data2 = (gpointer) 0xbfe92718 __PRETTY_FUNCTION__ = "gtk_marshal_VOID__POINTER_UINT_UINT" #6 0x0804d70f in xfpm_start (bus=) at xfpm-main.c:111 manager = (XfpmManager *) 0x9eaca00 session = (XfpmSession *) 0x9eac9c0 error = (GError *) 0x0 #7 0x0804dea7 in main (argc=1, argv=0xbfe927f4) at xfpm-main.c:250 bus = (DBusGConnection *) 0x9ec150c error = (GError *) 0x0 proxy = run = 0 quit = 0 config = 0 version = 0 reload = 1 option_entries = {{long_name = 0x80630a6 "run", short_name = 114 'r', flags = 1, arg = G_OPTION_ARG_NONE, arg_data = 0xbfe92728, description = 0x0, arg_description = 0x0}, { long_name = 0x80630aa "no-daemon", short_name = 0 '\0', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0x8068484, description = 0x80630b4 "Do not daemonize", arg_description = 0x0}, { long_name = 0x8063d2c "restart", short_name = 0 '\0', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0xbfe92718, description = 0x8062e98 "Restart the running instance of Xfce power manager", arg_description = 0x0}, {long_name = 0x80630c5 "customize", short_name = 99 'c', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0xbfe92720, description = 0x80630cf "Show the configuration dialog", arg_description = 0x0}, {long_name = 0x8065931 "quit", short_name = 113 'q', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0xbfe92724, description = 0x8062ecc "Quit any running xfce power manager", arg_description = 0x0}, {long_name = 0x80630ed "version", short_name = 86 'V', flags = 2, arg = G_OPTION_ARG_NONE, arg_data = 0xbfe9271c, description = 0x80630f5 "Version information", arg_description = 0x0}, {long_name = 0x8063109 "sm-client-id", short_name = 0 '\0', flags = 1, arg = G_OPTION_ARG_STRING, arg_data = 0x8068488, description = 0x0, arg_description = 0x0}, { long_name = 0x0, short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}