. Thread 3 (process 5894): #0 0x00007f2e38b045cb in read () from /lib/libpthread.so.0 #1 0x00007f2e38d4b33d in child_watch_helper_thread (data=) at /build/buildd/glib2.0-2.15.6/glib/gmain.c:3910 b = "B", '\0' list = (GSList *) 0x7f2e38b00dd0 #2 0x00007f2e38d70444 in g_thread_create_proxy (data=0x66daa0) at /build/buildd/glib2.0-2.15.6/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #3 0x00007f2e38afd3f7 in start_thread () from /lib/libpthread.so.0 #4 0x00007f2e3886c95d in clone () from /lib/libc.so.6 #5 0x0000000000000000 in ?? () . Thread 2 (process 5979): #0 0x00007f2e38863aa6 in poll () from /lib/libc.so.6 #1 0x00007f2e2ffc63df in task_monitor_alsa (data=0x803610) at gstalsamixer.c:416 pfds = (struct pollfd *) 0x42066f30 nfds = 1 rnfds = 1 revents = 1 __PRETTY_FUNCTION__ = "task_monitor_alsa" #2 0x00007f2e30a92ef9 in gst_task_func (task=0x63e500, tclass=) at gsttask.c:192 t = lock = (GStaticRecMutex *) 0x656b90 tself = __PRETTY_FUNCTION__ = "gst_task_func" #3 0x00007f2e38d72047 in g_thread_pool_thread_proxy (data=) at /build/buildd/glib2.0-2.15.6/glib/gthreadpool.c:265 task = (gpointer) 0x63e500 pool = (GRealThreadPool *) 0x7c51d0 #4 0x00007f2e38d70444 in g_thread_create_proxy (data=0x659860) at /build/buildd/glib2.0-2.15.6/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #5 0x00007f2e38afd3f7 in start_thread () from /lib/libpthread.so.0 #6 0x00007f2e3886c95d in clone () from /lib/libc.so.6 #7 0x0000000000000000 in ?? () . Thread 1 (process 5885): #0 IA__g_datalist_id_set_data_full (datalist=0x823040, key_id=51, data=0x0, destroy_func=0) at /build/buildd/glib2.0-2.15.6/glib/gdataset.c:216 __PRETTY_FUNCTION__ = "IA__g_datalist_id_set_data_full" #1 0x00007f2e38fdf86f in g_object_real_dispose (object=) at /build/buildd/glib2.0-2.15.6/gobject/gobject.c:533 No locals. #2 0x00007f2e38fdfa9f in IA__g_object_unref (_object=) at /build/buildd/glib2.0-2.15.6/gobject/gobject.c:1765 object = (GObject *) 0x823030 old_ref = __PRETTY_FUNCTION__ = "IA__g_object_unref" #3 0x00007f2e30ce7fa0 in dialog_init (manager=0x689640) at gsd-media-keys-manager.c:267 No locals. #4 0x00007f2e30ce89eb in acme_filter_events (xevent=, event=, manager=0x689640) at gsd-media-keys-manager.c:723 keycode = i = 1 #5 0x00007f2e3c9d115c in gdk_event_apply_filters (xevent=0x7fff4540f890, event=0x68db10, filters=) at /build/buildd/gtk+2.0-2.12.8/gdk/x11/gdkevents-x11.c:345 filter = (GdkEventFilter *) 0x0 tmp_list = (GList *) 0x0 result = #6 0x00007f2e3c9d2a7d in gdk_event_translate (display=0x631110, event=0x68db10, xevent=0x7fff4540f890, return_exposes=0) at /build/buildd/gtk+2.0-2.12.8/gdk/x11/gdkevents-x11.c:984 window = (GdkWindow *) 0x63d810 filter_window = (GdkWindow *) 0x63d810 window_impl = (GdkWindowImplX11 *) 0x63e000 return_val = 422 xoffset = yoffset = screen = (GdkScreen *) 0x636160 screen_x11 = (GdkScreenX11 *) 0x636160 toplevel = (GdkToplevelX11 *) 0x808960 xwindow = 422 filter_xwindow = 422 #7 0x00007f2e3c9d4152 in _gdk_events_queue (display=0x631110) at /build/buildd/gtk+2.0-2.12.8/gdk/x11/gdkevents-x11.c:2285 node = (GList *) 0x762da0 event = (GdkEvent *) 0x68db10 xevent = {type = 2, xany = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422}, xkey = { type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, root = 422, subwindow = 0, time = 74836, x = 560, y = 435, x_root = 560, y_root = 435, state = 0, keycode = 174, same_screen = 1}, xbutton = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, root = 422, subwindow = 0, time = 74836, x = 560, y = 435, x_root = 560, y_root = 435, state = 0, button = 174, same_screen = 1}, xmotion = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, root = 422, subwindow = 0, time = 74836, x = 560, y = 435, x_root = 560, y_root = 435, state = 0, is_hint = -82 'Ž', same_screen = 1}, xcrossing = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, root = 422, subwindow = 0, time = 74836, x = 560, y = 435, x_root = 560, y_root = 435, mode = 0, detail = 174, same_screen = 1, focus = 0, state = 0}, xfocus = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, mode = 422, detail = 0}, xexpose = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, x = 422, y = 0, width = 0, height = 0, count = 74836}, xgraphicsexpose = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, drawable = 422, x = 422, y = 0, width = 0, height = 0, count = 74836, major_code = 0, minor_code = 560}, xnoexpose = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, drawable = 422, major_code = 422, minor_code = 0}, xvisibility = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, state = 422}, xcreatewindow = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, parent = 422, window = 422, x = 0, y = 0, width = 74836, height = 0, border_width = 560, override_redirect = 435}, xdestroywindow = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, event = 422, window = 422}, xunmap = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, event = 422, window = 422, from_configure = 0}, xmap = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, event = 422, window = 422, override_redirect = 0}, xmaprequest = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, parent = 422, window = 422}, xreparent = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, event = 422, window = 422, parent = 0, x = 74836, y = 0, override_redirect = 560}, xconfigure = { type = 2, serial = 2625, send_event = 0, display = 0x626b10, event = 422, window = 422, x = 0, y = 0, width = 74836, height = 0, border_width = 560, above = 1868310774320, override_redirect = 0}, xgravity = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, event = 422, window = 422, x = 0, y = 0}, xresizerequest = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, width = 422, height = 0}, xconfigurerequest = { type = 2, serial = 2625, send_event = 0, display = 0x626b10, parent = 422, window = 422, x = 0, y = 0, width = 74836, height = 0, border_width = 560, above = 1868310774320, detail = 0, value_mask = 1}, xcirculate = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, event = 422, window = 422, place = 0}, xcirculaterequest = { type = 2, serial = 2625, send_event = 0, display = 0x626b10, parent = 422, window = 422, place = 0}, xproperty = { type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, atom = 422, time = 0, state = 74836}, xselectionclear = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, selection = 422, time = 0}, xselectionrequest = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, owner = 422, requestor = 422, selection = 0, target = 74836, property = 1868310774320, time = 1868310774320}, xselection = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, requestor = 422, selection = 422, target = 0, property = 74836, time = 1868310774320}, xcolormap = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, colormap = 422, new = 0, state = 0}, xclient = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, message_type = 422, format = 0, data = { b = "T$\001\000\000\000\000\0000\002\000\000ł\001\000\0000\002\000", s = {9300, 1, 0, 0, 560, 0, 435, 0, 560, 0}, l = {74836, 1868310774320, 1868310774320, 747324309504, 1}}}, xmapping = {type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, request = 422, first_keycode = 0, count = 0}, xerror = {type = 2, display = 0xa41, resourceid = 0, serial = 6449936, error_code = 166 'Ś', request_code = 1 '\001', minor_code = 0 '\0'}, xkeymap = { type = 2, serial = 2625, send_event = 0, display = 0x626b10, window = 422, key_vector = "Ś\001", '\0' , "T$\001\000\000\000\000\0000\002\000\000ł\001\000"}, pad = {2, 2625, 0, 6449936, 422, 422, 0, 74836, 1868310774320, 1868310774320, 747324309504, 1, 0 }} xdisplay = (Display *) 0x626b10 #8 0x00007f2e3c9d456e in gdk_event_dispatch (source=, callback=0, user_data=0x7f2e38b075f0) at /build/buildd/gtk+2.0-2.12.8/gdk/x11/gdkevents-x11.c:2345 display = (GdkDisplay *) 0x631110 event = #9 0x00007f2e38d4a3b4 in IA__g_main_context_dispatch (context=0x640bf0) at /build/buildd/glib2.0-2.15.6/glib/gmain.c:2065 No locals. #10 0x00007f2e38d4d6c5 in g_main_context_iterate (context=0x640bf0, block=1, dispatch=1, self=) at /build/buildd/glib2.0-2.15.6/glib/gmain.c:2698 got_ownership = max_priority = 0 timeout = 0 some_ready = 1 nfds = allocated_nfds = fds = (GPollFD *) 0x8089e0 __PRETTY_FUNCTION__ = "g_main_context_iterate" #11 0x00007f2e38d4d9e5 in IA__g_main_loop_run (loop=0x808a30) at /build/buildd/glib2.0-2.15.6/glib/gmain.c:2906 got_ownership = 951055376 self = (GThread *) 0x646060 __PRETTY_FUNCTION__ = "IA__g_main_loop_run" #12 0x00007f2e3cd6ad63 in IA__gtk_main () at /build/buildd/gtk+2.0-2.12.8/gtk/gtkmain.c:1163 tmp_list = (GList *) 0x64d070 functions = (GList *) 0x0 init = (GtkInitFunction *) 0x654630 loop = (GMainLoop *) 0x808a30 #13 0x00000000004035a9 in main (argc=1, argv=0x7fff4540fca8) at main.c:228 manager = (GnomeSettingsManager *) 0x654630 program = (GnomeProgram *) 0x64d070 res = 0 error = (GError *) 0x0