. Thread 2 (process 5684): #0 0xb7f7d410 in __kernel_vsyscall () #1 0xb77ff99b in read () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7844caa in child_watch_helper_thread (data=0x0) at /build/buildd/glib2.0-2.15.4/glib/gmain.c:3909 b = "B閱177楊c\016圓/\220愧001\000\000\000蟟\t\b" list = (GSList *) 0xb77fbdf0 #3 0xb786c03f in g_thread_create_proxy (data=0x809c2f0) at /build/buildd/glib2.0-2.15.4/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #4 0xb77f84fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #5 0xb777a8ee in clone () from /lib/tls/i686/cmov/libc.so.6 . Thread 1 (process 5585): #0 0xb63636a6 in impl_activate (plugin=0x812eb30) at gsd-screensaver-plugin.c:80 res = error = (GError *) 0x0 #1 0x0804b7fc in gnome_settings_plugins_engine_activate_plugin (info=0x8130220) at gnome-settings-plugins-engine.c:516 __PRETTY_FUNCTION__ = "gnome_settings_plugins_engine_activate_plugin" #2 0x0804c2ad in gnome_settings_plugins_engine_load_dir ( path=0x808b268 "/usr/lib/gnome-settings-daemon/plugins/screensaver") at gnome-settings-plugins-engine.c:260 filename = 0x810a2a8 "/usr/lib/gnome-settings-daemon/plugins/screensaver/screensaver.gnome-settings-plugin" error = (GError *) 0x0 d = (GDir *) 0x812d460 name = #3 0x0804bd28 in gnome_settings_plugins_engine_load_dir ( path=0x804d348 "/usr/lib/gnome-settings-daemon/plugins/") at gnome-settings-plugins-engine.c:293 filename = 0x808b268 "/usr/lib/gnome-settings-daemon/plugins/screensaver" error = (GError *) 0x0 d = (GDir *) 0x807eff0 name = #4 0x0804c422 in gnome_settings_plugins_engine_init ( gconf_prefix=0x807f788 "/apps/gnome-settings-daemon/plugins") at gnome-settings-plugins-engine.c:308 __PRETTY_FUNCTION__ = "gnome_settings_plugins_engine_init" #5 0x0804acc3 in gnome_settings_manager_start (manager=0x8076b48, error=0xbfaecd84) at gnome-settings-manager.c:106 No locals. #6 0x0804aa38 in main (argc=134737592, argv=0x1) at main.c:221 manager = (GnomeSettingsManager *) 0x8076b48 program = (GnomeProgram *) 0x8072470 res = error = (GError *) 0x0