. Thread 4 (Thread 0x7fd7e70b2700 (LWP 7413)): #0 0x00007fd8079b3d93 in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = 0 result = #1 0x00007fd808223136 in g_main_context_poll (n_fds=1, fds=0x7fd7d80010e0, timeout=-1, context=0x7fd80c9880b0, priority=) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3412 poll_func = 0x7fd808230090 #2 g_main_context_iterate (dispatch=1, block=, context=0x7fd80c9880b0, self=) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3113 timeout = -1 some_ready = fds = 0x7fd7d80010e0 max_priority = 2147483647 nfds = 1 allocated_nfds = #3 g_main_context_iterate (context=0x7fd80c9880b0, block=, dispatch=1, self=) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3055 some_ready = -671084320 #4 0x00007fd80822359a in g_main_loop_run (loop=0x7fd7d80010c0) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3312 __PRETTY_FUNCTION__ = "g_main_loop_run" #5 0x00007fd7e70b775b in dconf_context_thread (data=0x7fd80c9880b0) at dconfcontext.c:11 context = 0x7fd80c9880b0 loop = __PRETTY_FUNCTION__ = "dconf_context_thread" #6 0x00007fd8082447d5 in g_thread_proxy (data=0x7fd80c927e80) at /build/buildd/glib2.0-2.31.18/./glib/gthread.c:801 thread = 0x7fd80c927e80 #7 0x00007fd807c91e9a in start_thread (arg=0x7fd7e70b2700) at pthread_create.c:308 __res = pd = 0x7fd7e70b2700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3376979917406225634, 140734604507424, 140565270964672, 0, 3, 3354408482253028126, 3355886758546881310}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007fd8079bf74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #9 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 0x7fd7cf7fe700 (LWP 7575)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215 No locals. #1 0x00007fd80825e785 in g_cond_wait_until (cond=0x7fd80c9cabc8, mutex=, end_time=) at /build/buildd/glib2.0-2.31.18/./glib/gthread-posix.c:855 ts = {tv_sec = 14976, tv_nsec = 825951000} status = #2 0x00007fd8081f9271 in g_async_queue_pop_intern_unlocked (queue=0x7fd80c9cabc0, wait=1, end_time=14976825951) at /build/buildd/glib2.0-2.31.18/./glib/gasyncqueue.c:424 retval = __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked" #3 0x00007fd8081f988a in g_async_queue_timeout_pop (queue=0x7fd80c9cabc0, timeout=15000000) at /build/buildd/glib2.0-2.31.18/./glib/gasyncqueue.c:545 end_time = 14976825951 retval = #4 0x00007fd808244f54 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.31.18/./glib/gthreadpool.c:169 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 #5 g_thread_pool_thread_proxy (data=) at /build/buildd/glib2.0-2.31.18/./glib/gthreadpool.c:366 free_pool = task = 0x2 pool = #6 0x00007fd8082447d5 in g_thread_proxy (data=0x7fd80cd90190) at /build/buildd/glib2.0-2.31.18/./glib/gthread.c:801 thread = 0x7fd80cd90190 #7 0x00007fd807c91e9a in start_thread (arg=0x7fd7cf7fe700) at pthread_create.c:308 __res = pd = 0x7fd7cf7fe700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3376979917406225634, 140734604502304, 140564875962816, 0, 3, 3354355265460747038, 3355886758546881310}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007fd8079bf74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #9 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 0x7fd7e7f08700 (LWP 7411)): #0 0x00007fd8079b3d93 in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = 0 result = #1 0x00007fd808223136 in g_main_context_poll (n_fds=3, fds=0x7fd7e00010c0, timeout=-1, context=0x7fd80c736c00, priority=) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3412 poll_func = 0x7fd808230090 #2 g_main_context_iterate (dispatch=1, block=, context=0x7fd80c736c00, self=) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3113 timeout = -1 some_ready = fds = 0x7fd7e00010c0 max_priority = 2147483647 nfds = 3 allocated_nfds = #3 g_main_context_iterate (context=0x7fd80c736c00, block=, dispatch=1, self=) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3055 some_ready = -536866624 #4 0x00007fd80822359a in g_main_loop_run (loop=0x7fd80c7eae30) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3312 __PRETTY_FUNCTION__ = "g_main_loop_run" #5 0x00007fd8087ef446 in gdbus_shared_thread_func (user_data=0x7fd80c7eae50) at /build/buildd/glib2.0-2.31.18/./gio/gdbusprivate.c:276 data = 0x7fd80c7eae50 #6 0x00007fd8082447d5 in g_thread_proxy (data=0x7fd80c73c8a0) at /build/buildd/glib2.0-2.31.18/./glib/gthread.c:801 thread = 0x7fd80c73c8a0 #7 0x00007fd807c91e9a in start_thread (arg=0x7fd7e7f08700) at pthread_create.c:308 __res = pd = 0x7fd7e7f08700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3376979917406225634, 140734604508224, 140565285996992, 0, 3, 3354409078179740446, 3355886758546881310}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007fd8079bf74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #9 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 0x7fd80a302940 (LWP 7407)): #0 0x00007fd807905445 in __GI_raise (sig=) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 resultvar = 0 pid = selftid = 7407 #1 0x00007fd807908bab in __GI_abort () at abort.c:91 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x18, sa_sigaction = 0x18}, sa_mask = {__val = {140565826365385, 140565816368200, 140565860661704, 1024, 0, 140565904837656, 4294967296, 4294967295, 0, 126, 140565904977424, 3088472, 0, 140565904692864, 140565828990944, 140565825826816}}, sa_flags = 168925044, sa_restorer = 0x5} sigs = {__val = {32, 0 }} #2 0x00007fd808242d8d in g_assertion_message (domain=, file=, line=, func=0x7fd7e7f1b190 "remove_button_clicked", message=0x7fd80826aa40 "code should not be reached") at /build/buildd/glib2.0-2.31.18/./glib/gtestutils.c:1860 lstr = "1097\000\177\000\000\363\"\361\347\327\177\000\000\200\026\321\f\330\177\000\000\000\000\000\000\000\000\000" s = 0x7fd80cd56e10 "" #3 0x00007fd7e7f1246d in remove_button_clicked (button=, panel=0x7fd80c99c010) at cc-background-panel.c:1097 item = 0x0 store = path = priv = 0x7fd80c99c120 __PRETTY_FUNCTION__ = "remove_button_clicked" #4 0x00007fd8084de3c4 in g_closure_invoke (closure=0x7fd80c9df140, return_value=0x0, n_param_values=1, param_values=0x7fd80cd11680, invocation_hint=) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774 marshal = 0x7fd8084df7e0 marshal_data = in_marshal = __PRETTY_FUNCTION__ = "g_closure_invoke" #5 0x00007fd8084ee5f5 in signal_emit_unlocked_R (node=, detail=0, instance=, emission_return=0x0, instance_and_params=0x7fd80cd11680) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3302 tmp = handler = 0x7fd80c5ff4c0 accumulator = 0x0 emission = {next = 0x7fff541bf1d0, instance = 0x7fd80c9e4190, ihint = {signal_id = 289, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} class_closure = 0x7fd80c9e1340 hlist = 0x7fd80ca0c078 handler_list = 0x7fd80c5ff4c0 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 = 289 max_sequential_handler_number = 3407 return_value_altered = 1 #6 0x00007fd8084f5fcb in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=0x7fff541bef58) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033 instance_and_params = 0x7fd80cd11680 signal_return_type = 4 param_values = 0x7fd80cd11698 node = 0x7fd80c9de180 i = n_params = 0 __PRETTY_FUNCTION__ = "g_signal_emit_valist" #7 0x00007fd8084f66a4 in g_signal_emit_by_name (instance=0x7fd80c9e4190, detailed_signal=) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3127 var_args = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff541bf0b0, reg_save_area = 0x7fff541befc0}} detail = signal_id = 289 __PRETTY_FUNCTION__ = "g_signal_emit_by_name" #8 0x00007fd8084de3c4 in g_closure_invoke (closure=0x7fd80c9e2690, return_value=0x0, n_param_values=1, param_values=0x7fd80cd086e0, invocation_hint=) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774 marshal = 0x7fd8084df7e0 marshal_data = in_marshal = __PRETTY_FUNCTION__ = "g_closure_invoke" #9 0x00007fd8084ee5f5 in signal_emit_unlocked_R (node=, detail=0, instance=, emission_return=0x0, instance_and_params=0x7fd80cd086e0) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3302 tmp = handler = 0x7fd80c9dc410 accumulator = 0x0 emission = {next = 0x7fff541bf5d0, instance = 0x7fd80c69ca00, ihint = {signal_id = 143, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} class_closure = 0x7fd80c5f5fa0 hlist = 0x7fd80c9e7b28 handler_list = 0x7fd80c9dc410 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 = 143 max_sequential_handler_number = 3407 return_value_altered = 1 #10 0x00007fd8084f5fcb in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=0x7fff541bf3c8) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033 instance_and_params = 0x7fd80cd086e0 signal_return_type = 4 param_values = 0x7fd80cd086f8 node = 0x7fd80c5f49b0 i = n_params = 0 __PRETTY_FUNCTION__ = "g_signal_emit_valist" #11 0x00007fd8084f6192 in g_signal_emit (instance=, signal_id=, detail=) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090 var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff541bf4a0, reg_save_area = 0x7fff541bf3e0}} #12 0x00007fd809909a7d in gtk_real_button_released (button=0x7fd80c69ca00) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkbutton.c:1948 priv = #13 0x00007fd8084de3c4 in g_closure_invoke (closure=0x7fd80c5f5e20, return_value=0x0, n_param_values=1, param_values=0x7fd80cd00940, invocation_hint=) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774 marshal = 0x7fd8084dcc60 marshal_data = in_marshal = __PRETTY_FUNCTION__ = "g_closure_invoke" #14 0x00007fd8084ee9da in signal_emit_unlocked_R (node=, detail=0, instance=, emission_return=0x0, instance_and_params=0x7fd80cd00940) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3232 accumulator = 0x0 emission = {next = 0x7fff541bfa20, instance = 0x7fd80c69ca00, ihint = {signal_id = 142, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 140565897237472} class_closure = 0x7fd80c5f5e20 hlist = 0x7fd80c9e7b28 handler_list = 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 = 142 max_sequential_handler_number = 3407 return_value_altered = #15 0x00007fd8084f5fcb in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=0x7fff541bf7c8) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033 instance_and_params = 0x7fd80cd00940 signal_return_type = 4 param_values = 0x7fd80cd00958 node = 0x7fd80c5f4910 i = n_params = 0 __PRETTY_FUNCTION__ = "g_signal_emit_valist" #16 0x00007fd8084f6192 in g_signal_emit (instance=, signal_id=, detail=) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090 var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff541bf8a0, reg_save_area = 0x7fff541bf7e0}} #17 0x00007fd809907531 in gtk_button_button_release (widget=, event=) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkbutton.c:1840 button = #18 gtk_button_button_release (widget=, event=) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkbutton.c:1832 No locals. #19 0x00007fd8099da893 in _gtk_marshal_BOOLEAN__BOXED (closure=0x7fd80c4f9030, return_value=0x7fff541bfa70, n_param_values=, param_values=0x7fd7d00736c0, invocation_hint=, marshal_data=) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkmarshalers.c:85 callback = 0x7fd8099074f0 cc = 0x7fd80c4f9030 data1 = 0x7fd80c69ca00 data2 = 0x7fd80c4f2da0 v_return = __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED" #20 0x00007fd8084de3c4 in g_closure_invoke (closure=0x7fd80c4f9030, return_value=0x7fff541bfa70, n_param_values=2, param_values=0x7fd7d00736c0, invocation_hint=) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774 marshal = 0x7fd8084dcc60 marshal_data = in_marshal = __PRETTY_FUNCTION__ = "g_closure_invoke" #21 0x00007fd8084eebda in signal_emit_unlocked_R (node=, detail=0, instance=, emission_return=0x7fff541bfbb0, instance_and_params=0x7fd7d00736c0) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3340 accumulator = 0x7fd80c4f8f00 emission = {next = 0x0, instance = 0x7fd80c69ca00, ihint = {signal_id = 29, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 140565897237472} class_closure = 0x7fd80c4f9030 hlist = 0x7fd80c9e7a88 handler_list = 0x0 return_accu = 0x7fff541bfa70 accu = {g_type = 20, 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 = 29 max_sequential_handler_number = 3407 return_value_altered = 0 #22 0x00007fd8084f5ead in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=0x7fff541bfc18) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3043 return_value = {g_type = 20, 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}}} error = 0x0 rtype = 20 static_scope = 0 instance_and_params = 0x7fd7d00736c0 signal_return_type = 20 param_values = 0x7fd7d00736d8 node = 0x7fd80c4f90a0 i = n_params = 1 __PRETTY_FUNCTION__ = "g_signal_emit_valist" #23 0x00007fd8084f6192 in g_signal_emit (instance=, signal_id=, detail=) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090 var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff541bfcf0, reg_save_area = 0x7fff541bfc30}} #24 0x00007fd809b16199 in gtk_widget_event_internal (widget=0x7fd80c69ca00, event=0x7fd80cc6f580) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkwidget.c:6154 signal_num = return_val = 0 #25 0x00007fd8099da06a in gtk_propagate_event (widget=0x7fd80c69ca00, event=0x7fd80cc6f580) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkmain.c:2434 tmp = handled_event = __PRETTY_FUNCTION__ = "gtk_propagate_event" #26 0x00007fd8099da48b in gtk_main_do_event (event=0x7fd80cc6f580) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkmain.c:1691 event_widget = grab_widget = 0x7fd80c69ca00 window_group = rewritten_event = device = tmp_list = __PRETTY_FUNCTION__ = "gtk_main_do_event" #27 0x00007fd80960c792 in gdk_event_source_dispatch (source=, callback=, user_data=) at /build/buildd/gtk+3.0-3.3.16/./gdk/x11/gdkeventsource.c:360 display = event = 0x7fd80cc6f580 #28 0x00007fd808222dda in g_main_dispatch (context=0x7fd80c52fc10) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:2510 dispatch = 0x7fd80960c770 was_in_call = 0 user_data = 0x0 callback = 0 cb_funcs = 0x0 cb_data = 0x0 current_source_link = {data = 0x7fd80c50bf10, next = 0x0} need_destroy = source = 0x7fd80c50bf10 current = 0x7fd80c71f680 i = #29 g_main_context_dispatch (context=0x7fd80c52fc10) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3047 No locals. #30 0x00007fd8082231a0 in g_main_context_iterate (dispatch=1, block=, context=0x7fd80c52fc10, self=) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3118 timeout = 30 some_ready = 1 fds = max_priority = 2147483647 nfds = 6 allocated_nfds = #31 g_main_context_iterate (context=0x7fd80c52fc10, block=, dispatch=1, self=) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3055 some_ready = 1 #32 0x00007fd808223264 in g_main_context_iteration (context=0x7fd80c52fc10, may_block=1) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3179 retval = #33 0x00007fd8087bb894 in g_application_run (application=0x7fd80c62e500, argc=, argv=0x7fff541c0018) at /build/buildd/glib2.0-2.31.18/./gio/gapplication.c:1496 arguments = 0x7fd80c8a94b0 status = 0 i = __PRETTY_FUNCTION__ = "g_application_run" #34 0x00007fd80a3377ba in main (argc=2, argv=0x7fff541c0018) at control-center.c:207 shell = application = 0x7fd80c62e500 status =