. Thread 4 (Thread 15057): #0 0x0022e416 in __kernel_vsyscall () No symbol table info available. #1 0x00f75f46 in __poll (fds=0x211631e0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = -516 result = #2 0x00a6a67b in g_poll (fds=0x211631e0, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.29.10/./glib/gpoll.c:132 No locals. #3 0x00a5bb86 in g_main_context_poll (context=0x21293768, block=10921552, dispatch=1, self=) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3437 poll_func = 0xa6a650 #4 g_main_context_iterate (context=0x21293768, block=10921552, dispatch=1, self=) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3119 max_priority = 2147483647 timeout = -1 some_ready = nfds = 3 allocated_nfds = fds = 0x211631e0 #5 0x00a5c28b in g_main_loop_run (loop=0x2113d3a0) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3332 __PRETTY_FUNCTION__ = "g_main_loop_run" #6 0x00995eba in gdbus_shared_thread_func (user_data=0x2113d3b0) at /build/buildd/glib2.0-2.29.10/./gio/gdbusprivate.c:276 data = 0x2113d3b0 #7 0x00a82934 in g_thread_create_proxy (data=0x211b20c0) at /build/buildd/glib2.0-2.29.10/./glib/gthread.c:1954 thread = 0x211b20c0 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #8 0x001e9e99 in start_thread (arg=0xb37beb70) at pthread_create.c:304 pd = 0xb37beb70 unwind_buf = {cancel_jmp_buf = {{jmp_buf = {2076660, 0, 4001536, -1283726584, -1313412339, 2068740203}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = robust = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00f846de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 No locals. . Thread 3 (Thread 15055): #0 0x0022e416 in __kernel_vsyscall () No symbol table info available. #1 0x00f75f46 in __poll (fds=0x21147e70, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = -516 result = #2 0x00a6a67b in g_poll (fds=0x21147e70, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.29.10/./glib/gpoll.c:132 No locals. #3 0x00a5bb86 in g_main_context_poll (context=0x21141c08, block=10921552, dispatch=1, self=) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3437 poll_func = 0xa6a650 #4 g_main_context_iterate (context=0x21141c08, block=10921552, dispatch=1, self=) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3119 max_priority = 2147483647 timeout = -1 some_ready = nfds = 1 allocated_nfds = fds = 0x21147e70 #5 0x00a5c28b in g_main_loop_run (loop=0x21137388) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3332 __PRETTY_FUNCTION__ = "g_main_loop_run" #6 0x0f3e2294 in dconf_context_thread (data=0x21141c08) at dconfcontext.c:11 context = 0x21141c08 loop = __PRETTY_FUNCTION__ = "dconf_context_thread" #7 0x00a82934 in g_thread_create_proxy (data=0x2117efd0) at /build/buildd/glib2.0-2.29.10/./glib/gthread.c:1954 thread = 0x2117efd0 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #8 0x001e9e99 in start_thread (arg=0xb3fbfb70) at pthread_create.c:304 pd = 0xb3fbfb70 unwind_buf = {cancel_jmp_buf = {{jmp_buf = {2076660, 0, 4001536, -1275333880, -1315509492, 2068740203}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = robust = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00f846de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 No locals. . Thread 2 (Thread 15061): #0 0x0022e416 in __kernel_vsyscall () No symbol table info available. #1 0x001ee834 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236 No locals. #2 0x001e00a1 in g_cond_timed_wait_posix_impl (cond=0x212c3188, entered_mutex=0x212f7398, abs_time=0xb2f6a198) at /build/buildd/glib2.0-2.29.10/./gthread/gthread-posix.c:242 result = end_time = {tv_sec = 1310777717, tv_nsec = 155324000} timed_out = __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl" #3 0x00a2df90 in g_async_queue_pop_intern_unlocked (queue=0x212f38a8, try=, end_time=0xb2f6a198) at /build/buildd/glib2.0-2.29.10/./glib/gasyncqueue.c:415 retval = __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked" #4 0x00a2e94e in g_async_queue_timed_pop (queue=0x212f38a8, end_time=0xb2f6a198) at /build/buildd/glib2.0-2.29.10/./glib/gasyncqueue.c:536 retval = __PRETTY_FUNCTION__ = "g_async_queue_timed_pop" #5 0x00a84c9b in g_thread_pool_wait_for_new_pool (data=0x212f7688) at /build/buildd/glib2.0-2.29.10/./glib/gthreadpool.c:175 end_time = {tv_sec = 1310777717, tv_usec = 155324} pool = local_max_idle_time = 15000 local_wakeup_thread_serial = local_max_unused_threads = 2 last_wakeup_thread_serial = 0 have_relayed_thread_marker = 0 #6 g_thread_pool_thread_proxy (data=0x212f7688) at /build/buildd/glib2.0-2.29.10/./glib/gthreadpool.c:378 free_pool = task = 0x2 pool = #7 0x00a82934 in g_thread_create_proxy (data=0x212c3338) at /build/buildd/glib2.0-2.29.10/./glib/gthread.c:1954 thread = 0x212c3338 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #8 0x001e9e99 in start_thread (arg=0xb2f6ab70) at pthread_create.c:304 pd = 0xb2f6ab70 unwind_buf = {cancel_jmp_buf = {{jmp_buf = {2076660, 0, 4001536, -1292459256, -1422464242, 2068740203}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = robust = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #9 0x00f846de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 No locals. . Thread 1 (Thread 15047): #0 gnome_rr_config_load_current (config=0x2130fb28, error=0x0) at gnome-rr-config.c:509 a = 0x2133ed18 rr_outputs = 0x0 i = clone_width = -1 clone_height = -1 last_x = __PRETTY_FUNCTION__ = "gnome_rr_config_load_current" #1 0x0b40b58f in gnome_rr_config_new_current (screen=0x0, error=0x0) at gnome-rr-config.c:735 self = 0x2130fb28 #2 0x05279dd0 in on_screen_changed (scr=0x21195e40, data=0x212d1670) at xrandr-capplet.c:159 current = app = 0x212d1670 #3 0x00cd5f3c in g_cclosure_marshal_VOID__VOID (closure=0x212b6958, return_value=0x0, n_param_values=1, param_values=0x2133ed90, invocation_hint=0xbfe19130, marshal_data=0x0) at /build/buildd/glib2.0-2.29.10/./gobject/gmarshal.c:85 callback = 0x5279da0 cc = 0x212b6958 data1 = 0x21195e40 data2 = __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__VOID" #4 0x00cd4a2c in g_closure_invoke (closure=0x212b6958, return_value=0x0, n_param_values=1, param_values=0x2133ed90, invocation_hint=0xbfe19130) at /build/buildd/glib2.0-2.29.10/./gobject/gclosure.c:773 marshal = 0xcd5eb0 marshal_data = 0x0 in_marshal = 0 __PRETTY_FUNCTION__ = "g_closure_invoke" #5 0x00ce8e50 in signal_emit_unlocked_R (node=0x212ffeb8, detail=0, instance=0x21195e40, emission_return=0x0, instance_and_params=0x2133ed90) at /build/buildd/glib2.0-2.29.10/./gobject/gsignal.c:3256 tmp = handler = 0x212f8e20 accumulator = 0x0 emission = {next = 0x0, instance = 0x21195e40, ihint = {signal_id = 282, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} class_closure = 0x212d3230 hlist = 0x212ea3a8 handler_list = 0x212f8e20 return_accu = 0x0 accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}} signal_id = 282 max_sequential_handler_number = 1856 return_value_altered = 1 #6 0x00cf1b0f in g_signal_emit_valist (instance=0x21195e40, signal_id=282, detail=0, var_args=0xbfe192dc "\214^\026") at /build/buildd/glib2.0-2.29.10/./gobject/gsignal.c:2987 instance_and_params = 0x2133ed90 signal_return_type = 4 param_values = 0x2133eda4 node = 0x212ffeb8 i = n_params = 0 __PRETTY_FUNCTION__ = "g_signal_emit_valist" #7 0x00cf1c83 in g_signal_emit (instance=0x21195e40, signal_id=282, detail=0) at /build/buildd/glib2.0-2.29.10/./gobject/gsignal.c:3044 var_args = 0xbfe192dc "\214^\026" #8 0x0b408598 in screen_update (screen=0x21195e40, force_callback=1, needs_reprobe=0, error=0x0) at gnome-rr.c:666 info = 0x2134af60 changed = 0 __PRETTY_FUNCTION__ = "screen_update" #9 0x0b4087a1 in screen_on_event (xevent=0xbfe193cc, event=0x2130ccc8, data=0x21195e40) at gnome-rr.c:692 No locals. #10 screen_on_event (xevent=0xbfe193cc, event=0x2130ccc8, data=0x21195e40) at gnome-rr.c:672 screen = 0x21195e40 priv = e = 0xbfe193cc event_num = #11 0x00159524 in gdk_event_apply_filters (xevent=0xbfe193cc, event=0x2130ccc8, window=0x21069000) at /build/buildd/gtk+3.0-3.1.8/./gdk/x11/gdkeventsource.c:83 filter = 0x212daf90 node = tmp_list = 0x211adf10 result = #12 0x00159707 in gdk_event_source_translate_event (display=0x21063000) at /build/buildd/gtk+3.0-3.1.8/./gdk/x11/gdkeventsource.c:204 filter_window = 0x21069000 dpy = 0x210583a8 event = 0x2130ccc8 result = event_translator = #13 _gdk_x11_display_queue_events (display=0x21063000) at /build/buildd/gtk+3.0-3.1.8/./gdk/x11/gdkeventsource.c:334 event = 0x2130ccc8 xevent = {type = 101, xany = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173}, xkey = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, root = 173, subwindow = 30661458, time = 30661458, x = 131071, y = 1, x_root = 3200, y_root = 1080, state = 847, keycode = 286, same_screen = 72}, xbutton = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, root = 173, subwindow = 30661458, time = 30661458, x = 131071, y = 1, x_root = 3200, y_root = 1080, state = 847, button = 286, same_screen = 72}, xmotion = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, root = 173, subwindow = 30661458, time = 30661458, x = 131071, y = 1, x_root = 3200, y_root = 1080, state = 847, is_hint = 30 '\036', same_screen = 72}, xcrossing = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, root = 173, subwindow = 30661458, time = 30661458, x = 131071, y = 1, x_root = 3200, y_root = 1080, mode = 847, detail = 286, same_screen = 72, focus = 557188176, state = 557188152}, xfocus = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, mode = 173, detail = 30661458}, xexpose = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, x = 173, y = 30661458, width = 30661458, height = 131071, count = 1}, xgraphicsexpose = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, drawable = 173, x = 173, y = 30661458, width = 30661458, height = 131071, count = 1, major_code = 3200, minor_code = 1080}, xnoexpose = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, drawable = 173, major_code = 173, minor_code = 30661458}, xvisibility = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, state = 173}, xcreatewindow = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, parent = 173, window = 173, x = 30661458, y = 30661458, width = 131071, height = 1, border_width = 3200, override_redirect = 1080}, xdestroywindow = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, event = 173, window = 173}, xunmap = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, event = 173, window = 173, from_configure = 30661458}, xmap = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, event = 173, window = 173, override_redirect = 30661458}, xmaprequest = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, parent = 173, window = 173}, xreparent = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, event = 173, window = 173, parent = 30661458, x = 30661458, y = 131071, override_redirect = 1}, xconfigure = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, event = 173, window = 173, x = 30661458, y = 30661458, width = 131071, height = 1, border_width = 3200, above = 1080, override_redirect = 847}, xgravity = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, event = 173, window = 173, x = 30661458, y = 30661458}, xresizerequest = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, width = 173, height = 30661458}, xconfigurerequest = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, parent = 173, window = 173, x = 30661458, y = 30661458, width = 131071, height = 1, border_width = 3200, above = 1080, detail = 847, value_mask = 286}, xcirculate = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, event = 173, window = 173, place = 30661458}, xcirculaterequest = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, parent = 173, window = 173, place = 30661458}, xproperty = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, atom = 173, time = 30661458, state = 30661458}, xselectionclear = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, selection = 173, time = 30661458}, xselectionrequest = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, owner = 173, requestor = 173, selection = 30661458, target = 30661458, property = 131071, time = 1}, xselection = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, requestor = 173, selection = 173, target = 30661458, property = 30661458, time = 131071}, xcolormap = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, colormap = 173, new = 30661458, state = 30661458}, xclient = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, message_type = 173, format = 30661458, data = {b = "R\333\323\001\377\377\001\000\001\000\000\000\200\f\000\000\070\004\000", s = {-9390, 467, -1, 1, 1, 0, 3200, 0, 1080, 0}, l = {30661458, 131071, 1, 3200, 1080}}}, xmapping = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, request = 173, first_keycode = 30661458, count = 30661458}, xerror = {type = 101, display = 0x1b82, resourceid = 0, serial = 554009512, error_code = 173 '\255', request_code = 0 '\000', minor_code = 0 '\000'}, xkeymap = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, window = 173, key_vector = "\255\000\000\000R\333\323\001R\333\323\001\377\377\001\000\001\000\000\000\200\f\000\000\070\004\000\000O\003\000"}, xgeneric = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, extension = 173, evtype = 173}, xcookie = {type = 101, serial = 7042, send_event = 0, display = 0x210583a8, extension = 173, evtype = 173, cookie = 30661458, data = 0x1d3db52}, pad = {101, 7042, 0, 554009512, 173, 173, 30661458, 30661458, 131071, 1, 3200, 1080, 847, 286, 72, 557188176, 557188152, 554521024, 557188128, 557188984, 557188200, 557188176, 557189008, 557189032}} xdisplay = 0x210583a8 event_source = 0x2106ba30 display_x11 = #14 0x00128d5e in gdk_display_get_event (display=0x21063000) at /build/buildd/gtk+3.0-3.1.8/./gdk/gdkdisplay.c:311 __PRETTY_FUNCTION__ = "gdk_display_get_event" #15 0x0015936a in gdk_event_source_dispatch (source=0x2106ba30, callback=0, user_data=0x0) at /build/buildd/gtk+3.0-3.1.8/./gdk/x11/gdkeventsource.c:356 display = 0x21063000 event = #16 0x00a5b54f in g_main_dispatch (context=0x2106d4f8) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:2473 dispatch = 0x159340 was_in_call = 0 user_data = 0x0 callback = 0 cb_funcs = 0x0 cb_data = 0x0 current_source_link = {data = 0x2106ba30, next = 0x0} need_destroy = source = 0x2106ba30 current = 0x211474d8 i = #17 g_main_context_dispatch (context=0x2106d4f8) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3046 No locals. #18 0x00a5bc80 in g_main_context_iterate (context=0x2106d4f8, block=10921552, dispatch=1, self=) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3124 max_priority = 0 timeout = 0 some_ready = 1 nfds = allocated_nfds = fds = 0x21157998 #19 0x00a5c28b in g_main_loop_run (loop=0x2119ee48) at /build/buildd/glib2.0-2.29.10/./glib/gmain.c:3332 __PRETTY_FUNCTION__ = "g_main_loop_run" #20 0x00593a45 in gtk_main () at /build/buildd/gtk+3.0-3.1.8/./gtk/gtkmain.c:1362 loop = 0x2119ee48 #21 0x00496424 in gtk_application_run_mainloop (application=0x2112b580) at /build/buildd/gtk+3.0-3.1.8/./gtk/gtkapplication.c:112 No locals. #22 0x009694ac in g_application_run (application=0x2112b580, argc=2, argv=0xbfe19714) at /build/buildd/glib2.0-2.29.10/./gio/gapplication.c:1325 arguments = 0x2119ee48 status = 0 i = __PRETTY_FUNCTION__ = "g_application_run" #23 0x00c549b8 in main (argc=2, argv=0xbfe19714) at control-center.c:193 shell = application = 0x2112b580 status =