. Thread 2 (process 25118): #0 0xb7f66430 in __kernel_vsyscall () #1 0xb747b0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0x080b30b1 in brasero_async_task_manager_thread (self=0x88a6528) at brasero-async-task-manager.c:245 res = BRASERO_ASYNC_TASK_FINISHED result = cancel = (GCancellable *) 0x8a94f50 ctx = (BraseroAsyncTaskCtx *) 0x8971810 #3 0xb74ee7bf in g_thread_create_proxy (data=0x8a5efd0) at /build/buildd/glib2.0-2.20.1/glib/gthread.c:635 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #4 0xb74774ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #5 0xb73f149e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 No locals. . Thread 1 (process 25112): #0 0xb3919028 in ?? () #1 0x080e4621 in brasero_io_return_result_idle (callback_data=0x88a6528) at brasero-io.c:335 data = (BraseroIOResultCallbackData *) 0xb3919028 result = (BraseroIOJobResult *) 0x8a7f6f0 priv = (BraseroIOPrivate *) 0x88a6538 i = 0 #2 0xb74c1c81 in g_idle_dispatch (source=0x8a60210, callback=0x8001, user_data=0x88a6528) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:3922 No locals. #3 0xb74c3b88 in IA__g_main_context_dispatch (context=0x8583730) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814 No locals. #4 0xb74c70eb in g_main_context_iterate (context=0x8583730, block=1, dispatch=1, self=0x8551470) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448 max_priority = 200 timeout = 0 some_ready = 1 nfds = 14 allocated_nfds = fds = (GPollFD *) 0xb3905028 __PRETTY_FUNCTION__ = "g_main_context_iterate" #5 0xb74c75ba in IA__g_main_loop_run (loop=0xb39017d8) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2656 self = (GThread *) 0x8551470 __PRETTY_FUNCTION__ = "IA__g_main_loop_run" #6 0xb79379d5 in IA__gtk_dialog_run (dialog=0x86e0bc8) at /build/buildd/gtk+2.0-2.16.1/gtk/gtkdialog.c:1090 ri = {dialog = 0x0, response_id = -6, loop = 0xb39017d8, destroyed = 0} was_modal = 1 response_handler = 1206 unmap_handler = 1207 destroy_handler = 1209 delete_handler = 1208 __PRETTY_FUNCTION__ = "IA__gtk_dialog_run" #7 0x0808f205 in brasero_project_check_status (project=0x887ead8, disc=0x86beb90) at brasero-project.c:861 answer = box = (GtkWidget *) 0x89cb6d0 dialog = (GtkWidget *) 0x86e0bc8 current_task = (gchar *) 0x8a9aa38 "burn::backing-file" progress = (GtkWidget *) 0x89cdc38 remaining = -1 result = current_action = (GtkWidget *) 0x89cdcb8 #8 0x0809216f in brasero_project_burn (project=0x887ead8) at brasero-project.c:926 session = result = dialog = success = 32769 #9 0x080aa30d in brasero_project_manager_data (manager=0x86dcb20, uris=0x86e4ac0, burn=1) at brasero-project-manager.c:686 burn_URI = (gchar *) 0x0 #10 0x08070502 in main (argc=141447096, argv=0x1) at main.c:264 client = (GConfClient *) 0x85b2858 context =