. Thread 4 (process 4714): #0 0x00beb416 in __kernel_vsyscall () No symbol table info available. #1 0x058b8de6 in __real_chown (file=0x96be4b0 "\n", owner=5, group=4294967295) at ../sysdeps/unix/sysv/linux/i386/chown.c:100 No locals. #2 0x00776a1b in g_poll (fds=0x96be4b0, nfds=5, timeout=-1) at /build/buildd/glib2.0-2.26.1/glib/gpoll.c:132 No locals. #3 0x0076943c in g_main_context_iterate (context=0x0, block=, dispatch=1, self=0x94de268) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:3093 max_priority = 2147483647 timeout = -1 some_ready = nfds = 5 allocated_nfds = fds = __PRETTY_FUNCTION__ = "g_main_context_iterate" #4 0x00769ba7 in g_main_loop_run (loop=0x94d1818) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2988 self = (GThread *) 0x94de268 __PRETTY_FUNCTION__ = "g_main_loop_run" #5 0x00e3e6b4 in _g_dbus_worker_flush_sync (worker=0x94de268, cancellable=0x94de268, error=0x218156) at /build/buildd/glib2.0-2.26.1/gio/gdbusprivate.c:1484 ret = #6 0x0079048f in g_thread_create_proxy (data=0xe3e689) at /build/buildd/glib2.0-2.26.1/glib/gthread.c:1897 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #7 0x00c74cc9 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #8 0x058c76ae in __ecvt (value=Cannot access memory at address 0x8 ) at efgcvt.c:100 No locals. Backtrace stopped: previous frame inner to this frame (corrupt stack?) . Thread 3 (process 5794): #0 0x00beb416 in __kernel_vsyscall () No symbol table info available. #1 0x00c79884 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x001eee7e in g_cond_timed_wait_posix_impl (cond=0xfffffdfc, entered_mutex=0x1285, abs_time=0xb3b6d188) at /build/buildd/glib2.0-2.26.1/gthread/gthread-posix.c:242 result = end_time = {tv_sec = 1300088930, tv_nsec = 608305000} timed_out = __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl" #3 0x0073c2cc in g_async_queue_pop_intern_unlocked (queue=0x94c22e8, try=, end_time=0xb3b6d188) at /build/buildd/glib2.0-2.26.1/glib/gasyncqueue.c:423 retval = __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked" #4 0x0079241b in g_thread_pool_thread_proxy (data=0x94c22b0) at /build/buildd/glib2.0-2.26.1/glib/gthreadpool.c:274 task = pool = (GRealThreadPool *) 0x94c22b0 #5 0x0079048f in g_thread_create_proxy (data=0x9b49870) at /build/buildd/glib2.0-2.26.1/glib/gthread.c:1897 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #6 0x00c74cc9 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #7 0x058c76ae in __ecvt (value=Cannot access memory at address 0x8 ) at efgcvt.c:100 No locals. Backtrace stopped: previous frame inner to this frame (corrupt stack?) . Thread 2 (process 5793): #0 0x00beb416 in __kernel_vsyscall () No symbol table info available. #1 0x00c794dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x0353f426 in brasero_async_task_manager_thread (self=0x9d6eb00) at brasero-async-task-manager.c:249 res = BRASERO_ASYNC_TASK_FINISHED result = cancel = (GCancellable *) 0x9c61ee0 ctx = #3 0x0079048f in g_thread_create_proxy (data=0x9cc6248) at /build/buildd/glib2.0-2.26.1/glib/gthread.c:1897 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #4 0x00c74cc9 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #5 0x058c76ae in __ecvt (value=Cannot access memory at address 0x8 ) at efgcvt.c:100 No locals. Backtrace stopped: previous frame inner to this frame (corrupt stack?) . Thread 1 (process 4682): #0 0x03541012 in brasero_io_return_result_idle (callback_data=0x9d6eb00) at brasero-io.c:399 base = (BraseroIOJobBase *) 0x9b383e0 iter = data = result = (BraseroIOJobResult *) 0x9cc4758 priv = (BraseroIOPrivate *) 0x9d6eb10 i = 2 #1 0x00763841 in g_idle_dispatch (source=0x9c610a8, callback=0x614d6576, user_data=0x9d6eb00) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:4254 No locals. #2 0x00765855 in g_main_context_dispatch (context=0x94a4738) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2149 No locals. #3 0x00769668 in g_main_context_iterate (context=0x94a4738, block=, dispatch=1, self=0x9476008) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2780 max_priority = 200 timeout = 0 some_ready = 1 nfds = allocated_nfds = fds = __PRETTY_FUNCTION__ = "g_main_context_iterate" #4 0x00769ba7 in g_main_loop_run (loop=0x9d6be70) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2988 self = (GThread *) 0x9476008 __PRETTY_FUNCTION__ = "g_main_loop_run" #5 0x004007ff in IA__gtk_dialog_run (dialog=0x9a0c1b8) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkdialog.c:1094 ri = {dialog = 0x0, response_id = -1, loop = 0x9d6be70, destroyed = 0} was_modal = 0 response_handler = 26085 unmap_handler = 26086 destroy_handler = 26088 delete_handler = 26087 __PRETTY_FUNCTION__ = "IA__gtk_dialog_run" #6 0x05285fda in launch_brasero_on_window_session ( session=, dialog_title=, options=0x9956218, window=0x9696498) at nautilus-burn-extension.c:168 result = 6043874 icon_name = (const gchar *) 0x98e2888 "folder" dialog = (GtkWidget *) 0x9a0c1b8 settings = (BraseroDriveSettings *) 0x9a55568 #7 0x052862b8 in write_activate (toplevel=0x9696498) at nautilus-burn-extension.c:309 track = session = (BraseroSessionCfg *) 0x9d2b130 name_options = (GtkWidget *) 0x9956218 options = (GtkWidget *) 0x9956218 #8 0x00f2b93c in g_signal_stop_emission (instance=0x5286300, signal_id=162737048, detail=1) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:836 node = (SignalNode *) 0x9da6540 __PRETTY_FUNCTION__ = "g_signal_stop_emission" #9 0x00f1c412 in g_object_force_floating (object=0x9b32b98) at /build/buildd/glib2.0-2.26.1/gobject/gobject.c:2433 __r = __PRETTY_FUNCTION__ = "g_object_force_floating" #10 0x00f32595 in signal_emit_unlocked_R (node=, detail=, instance=0x9889f10, emission_return=0x0, instance_and_params=0x9d80078) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:624 tmp = (Handler *) 0x9c664a0 handler = (Handler *) 0x0 accumulator = (SignalAccumulator *) 0x0 emission = {next = 0xbfd22558, instance = 0x9889f10, ihint = { signal_id = 623, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} class_closure = (GClosure *) 0x9cedad0 handler_list = return_accu = 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 = 623 max_sequential_handler_number = 25941 return_value_altered = 0 #11 0x00f339bc in signal_handlers_foreach_matched_R ( instance=, mask=, signal_id=159948560, detail=623, closure=0x0, func=0xbfd2240c, data=0x9889f10, callback=0x528bff4 <_fini+10732>) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2536 mlist = (HandlerMatch *) 0x9ced7d8 n_handlers = 5 #12 0x00f33e62 in g_signal_handlers_block_matched (instance=0x5285570, mask=, signal_id=0, detail=15843022, closure=0x5285579, func=0xf50ff4, data=0xbfd22458) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2581 n_handlers = __PRETTY_FUNCTION__ = "g_signal_handlers_block_matched" #13 0x0528559f in button_clicked_cb (button=0x9c76a70, bar=0x9889f10) at nautilus-burn-bar.c:121 No locals. #14 0x00f2b93c in g_signal_stop_emission (instance=0x9889f10, signal_id=86556660, detail=1) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:836 node = (SignalNode *) 0x9da6540 __PRETTY_FUNCTION__ = "g_signal_stop_emission" #15 0x00f1c412 in g_object_force_floating (object=0x9bb8178) at /build/buildd/glib2.0-2.26.1/gobject/gobject.c:2433 __r = __PRETTY_FUNCTION__ = "g_object_force_floating" #16 0x00f32595 in signal_emit_unlocked_R (node=, detail=, instance=0x9c76a70, emission_return=0x0, instance_and_params=0x973d3c0) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:624 tmp = (Handler *) 0x9ce9fc0 handler = (Handler *) 0x0 accumulator = (SignalAccumulator *) 0x0 emission = {next = 0xbfd228d8, instance = 0x9c76a70, ihint = { signal_id = 105, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} class_closure = (GClosure *) 0x94bad80 handler_list = return_accu = 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 = 105 max_sequential_handler_number = 25941 return_value_altered = 1 #17 0x00f339bc in signal_handlers_foreach_matched_R ( instance=, mask=, signal_id=164063856, detail=105, closure=0x0, func=0xbfd2272c, data=0x9c76a70, callback=0x723ff4) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2536 mlist = (HandlerMatch *) 0x94badc0 n_handlers = 3218220840 #18 0x00f33e62 in g_signal_handlers_block_matched (instance=0x9c76a70, mask=, signal_id=0, detail=16060404, closure=0xf50ff4, func=0x9c76a70, data=0xbfd22758) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2581 n_handlers = __PRETTY_FUNCTION__ = "g_signal_handlers_block_matched" #19 0x003cf2ca in IA__gtk_button_clicked (button=0x9c76a70) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkbutton.c:1128 __PRETTY_FUNCTION__ = "IA__gtk_button_clicked" #20 0x003d0888 in gtk_real_button_released (button=0x9c76a70) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkbutton.c:1725 No locals. #21 0x00f2b93c in g_signal_stop_emission (instance=0x3d0840, signal_id=7487476, detail=1) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:836 node = (SignalNode *) 0x9da6540 __PRETTY_FUNCTION__ = "g_signal_stop_emission" #22 0x00f1aa87 in g_closure_new_simple (sizeof_closure=155954448, data=0x0) at /build/buildd/glib2.0-2.26.1/gobject/gclosure.c:204 tmp = {closure = {ref_count = 31056, meta_marshal = 0, n_guards = 1, n_fnotifiers = 0, n_inotifiers = 51, in_inotify = 1, floating = 0, derivative_flag = 0, in_marshal = 0, is_invalid = 0, marshal = 0x94bad10, data = 0xbfd22798, notifiers = 0xf410cc}, vint = 161053008} new_int = old_int = 165307712 success = closure = (GClosure *) 0x3cf2ca __PRETTY_FUNCTION__ = "g_closure_new_simple" #23 0x00f1c412 in g_object_force_floating (object=0x94bad10) at /build/buildd/glib2.0-2.26.1/gobject/gobject.c:2433 __r = __PRETTY_FUNCTION__ = "g_object_force_floating" #24 0x00f31e3a in signal_emit_unlocked_R (node=, detail=, instance=0x9c76a70, emission_return=0x0, instance_and_params=0x9997950) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:599 tmp = (Handler *) 0x94bad50 handler = (Handler *) 0x0 accumulator = (SignalAccumulator *) 0x0 emission = {next = 0xbfd22c58, instance = 0x9c76a70, ihint = { signal_id = 104, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 155955272} class_closure = (GClosure *) 0x94bad10 handler_list = return_accu = 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 = 104 max_sequential_handler_number = 25941 return_value_altered = 0 #25 0x00f339bc in signal_handlers_foreach_matched_R ( instance=, mask=, signal_id=164063856, detail=104, closure=0x0, func=0xbfd22aac, data=0x9c76a70, callback=0x723ff4) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2536 mlist = (HandlerMatch *) 0x94bad50 n_handlers = 13076393 #26 0x00f33e62 in g_signal_handlers_block_matched (instance=0x9c76a70, mask=, signal_id=0, detail=16060404, closure=0x723ff4, func=0xbfd22c74, data=0xbfd22ad8) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2581 n_handlers = __PRETTY_FUNCTION__ = "g_signal_handlers_block_matched" #27 0x003cf36a in gtk_button_released (button=0x9c76a70) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkbutton.c:1120 __PRETTY_FUNCTION__ = "gtk_button_released" #28 0x003cf3b3 in gtk_button_button_release (widget=0x9c76a70, event=0x9d17a38) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkbutton.c:1617 No locals. #29 0x0048d284 in _gtk_marshal_BOOLEAN__BOXED (closure=0x94b0d48, return_value=0xbfd22c74, n_param_values=2, param_values=0x723ff4, invocation_hint=0xbfd22c60, marshal_data=0x3cf380) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmarshalers.c:86 data1 = (gpointer) 0x9da6540 data2 = v_return = __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED" #30 0x00f1aa87 in g_closure_new_simple (sizeof_closure=155913544, data=0xbfd22c74) at /build/buildd/glib2.0-2.26.1/gobject/gclosure.c:204 tmp = {closure = {ref_count = 17960, meta_marshal = 1, n_guards = 1, n_fnotifiers = 3, n_inotifiers = 52, in_inotify = 1, floating = 0, derivative_flag = 0, in_marshal = 0, is_invalid = 0, marshal = 0x94b0d48, data = 0xbfd22b18, notifiers = 0xf410cc}, vint = 161990184} new_int = old_int = 165307712 success = closure = (GClosure *) 0x3cf36a __PRETTY_FUNCTION__ = "g_closure_new_simple" #31 0x00f1c412 in g_object_force_floating (object=0x94b0d48) at /build/buildd/glib2.0-2.26.1/gobject/gobject.c:2433 __r = __PRETTY_FUNCTION__ = "g_object_force_floating" #32 0x00f321e6 in signal_emit_unlocked_R (node=, detail=, instance=0x9c76a70, emission_return=0xbfd22dcc, instance_and_params=0x9a7c628) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:579 handler = accumulator = (SignalAccumulator *) 0x94b0e68 emission = {next = 0x0, instance = 0x9c76a70, ihint = { signal_id = 34, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 155955272} class_closure = (GClosure *) 0x94b0d48 handler_list = (Handler *) 0x94b0e38 return_accu = 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 = 34 max_sequential_handler_number = 25941 return_value_altered = 0 #33 0x00f3383b in signal_handlers_foreach_matched_R ( instance=, mask=, signal_id=164063856, detail=34, closure=0x0, func=0xbfd22e30, data=0x723ff4, callback=0x723ff4) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2534 mlist = (HandlerMatch *) 0x94b0e38 n_handlers = 0 #34 0x00f33e62 in g_signal_handlers_block_matched (instance=0x9d17a38, mask=, signal_id=0, detail=164723256, closure=0xbfd22e5c, func=0x94bcd90, data=0xbfd22e58) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2581 n_handlers = __PRETTY_FUNCTION__ = "g_signal_handlers_block_matched" #35 0x005bbb96 in gtk_widget_event_internal (widget=, event=0x723ff4) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkwidget.c:4985 signal_num = return_val = 0 #36 0x0048585d in IA__gtk_propagate_event (widget=0x9c76a70, event=0x9d17a38) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmain.c:2465 tmp = (GtkWidget *) 0x763456 handled_event = __PRETTY_FUNCTION__ = "IA__gtk_propagate_event" #37 0x00486c17 in IA__gtk_main_do_event (event=0x9d17a38) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmain.c:1665 event_widget = (GtkWidget *) 0x9c76a70 grab_widget = window_group = (GtkWindowGroup *) 0x9548830 rewritten_event = (GdkEvent *) 0x0 tmp_list = __PRETTY_FUNCTION__ = "IA__gtk_main_do_event" #38 0x0016636a in gdk_event_dispatch (source=0x94a4668, callback=0, user_data=0x0) at /build/buildd/gtk+2.0-2.22.0/gdk/x11/gdkevents-x11.c:2377 display = event = #39 0x00765855 in g_main_context_dispatch (context=0x94a4738) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2149 No locals. #40 0x00769668 in g_main_context_iterate (context=0x94a4738, block=, dispatch=1, self=0x9476008) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2780 max_priority = 2147483647 timeout = 3679 some_ready = 1 nfds = allocated_nfds = fds = __PRETTY_FUNCTION__ = "g_main_context_iterate" #41 0x00769ba7 in g_main_loop_run (loop=0x95efe90) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2988 self = (GThread *) 0x9476008 __PRETTY_FUNCTION__ = "g_main_loop_run" #42 0x004871d9 in IA__gtk_main () at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmain.c:1237 tmp_list = (GList *) 0x0 functions = (GList *) 0x0 init = (GtkInitFunction *) 0x1 loop = (GMainLoop *) 0x95efe90 #43 0x0807f367 in ?? () No symbol table info available. #44 0x0580dce7 in ?? () from /lib/libc.so.6 No symbol table info available. #45 0x0806a5a1 in ?? () No symbol table info available.