(gdb)  t a a bt

Thread 12 (Thread 0x7fffea50c700 (LWP 17244)):
#0  0x0000003077e0bc3e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000003ec78023c2 in g_cond_timed_wait_posix_impl (cond=<value optimized out>, entered_mutex=<value optimized out>, abs_time=<value optimized out>) at gthread-posix.c:242
#2  0x0000003ec741888f in g_async_queue_pop_intern_unlocked (queue=0x817210, try=0, end_time=0x7fffea50bd30) at gasyncqueue.c:423
#3  0x0000003ec7419287 in g_async_queue_timed_pop (queue=0x817210, end_time=0x7fffea50bd30) at gasyncqueue.c:549
#4  0x0000003ec746d711 in g_thread_pool_wait_for_new_pool () at gthreadpool.c:175
#5  g_thread_pool_thread_proxy (data=<value optimized out>) at gthreadpool.c:378
#6  0x0000003ec746b046 in g_thread_create_proxy (data=0xf63230) at gthread.c:1897
#7  0x0000003077e06d5b in start_thread () from /lib64/libpthread.so.0
#8  0x0000003077ae5f2d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fffe9d0b700 (LWP 17182)):
#0  0x0000003077e0b8d4 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000003081e2ed40 in _dbus_pthread_condvar_wait (cond=<value optimized out>, mutex=0xf4fe00) at dbus-sysdeps-pthread.c:249
#2  0x0000003081e0dd7d in _dbus_connection_acquire_dispatch (connection=0xa03af0) at dbus-connection.c:4112
#3  0x0000003081e0f89e in dbus_connection_dispatch (connection=0xa03af0) at dbus-connection.c:4547
#4  0x00007ffff064bfb6 in _g_vfs_daemon_call_sync (message=0xfac400, connection_out=0x0, callback_obj_path=0x0, callback=<value optimized out>, callback_user_data=0x0, cancellable=0xa65b30 [GCancellable], error=0x7fffe9d09e98)
    at gvfsdaemondbus.c:828
#5  0x00007ffff0640fda in do_sync_path_call (file=0xde30f0, op=0x7ffff0654375 "QueryInfo", mount_info_out=0x0, connection_out=0x0, cancellable=0xa65b30 [GCancellable], error=0x0, first_arg_type=115) at gdaemonfile.c:440
#6  0x00007ffff064303e in g_daemon_file_query_info (file=0xde30f0, attributes=0x537a3d "standard::display-name", flags=G_FILE_QUERY_INFO_NONE, cancellable=0xa65b30 [GCancellable], error=0x0) at gdaemonfile.c:859
#7  0x00000000004aebdd in custom_basename_to_string (format=<value optimized out>, va=<value optimized out>) at nautilus-file-operations.c:807
#8  0x0000000000511496 in eel_strdup_vprintf_with_custom (custom=0x786ac0, format=0x536338 "Copying %'d files (in \"%B\") to \"%B\"", va_orig=0x7fffe9d0a140) at eel-string.c:781
#9  0x00000000004ae897 in f (format=<value optimized out>) at nautilus-file-operations.c:925
#10 0x00000000004b09c1 in report_copy_progress (copy_job=0xf27210, transfer_info=0x7fffe9d0ac40, source_info=<value optimized out>) at nautilus-file-operations.c:2907
#11 0x00007ffff063f789 in progress_callback_message (connection=<value optimized out>, message=0xf04010, user_data=0x7fffe9d0a6f0) at gdaemonfile.c:2343
#12 0x0000003081e1dd81 in _dbus_object_tree_dispatch_and_unlock (tree=0xde7090, message=0xf04010) at dbus-object-tree.c:858
#13 0x0000003081e0fbe2 in dbus_connection_dispatch (connection=0xa03af0) at dbus-connection.c:4691
#14 0x00007ffff064bfb6 in _g_vfs_daemon_call_sync (message=0xf971f0, connection_out=0x0, callback_obj_path=0xfd79d0 "/org/gtk/vfs/callback/0x7fffe9d0a718", callback=<value optimized out>, callback_user_data=0x7fffe9d0a601, cancellable=
    0xa65b30 [GCancellable], error=0x7fffe9d0a558) at gvfsdaemondbus.c:828
#15 0x00007ffff0642431 in do_sync_2_path_call (file1=<value optimized out>, file2=<value optimized out>, op=0x7ffff06544ce "Pull", callback_obj_path=0xfd79d0 "/org/gtk/vfs/callback/0x7fffe9d0a718", callback=
    0x7ffff063f6f0 <progress_callback_message>, callback_user_data=0x7fffe9d0a6f0, connection_out=0x0, cancellable=0xa65b30 [GCancellable], error=0x7fffe9d0a908, first_arg_type=1024) at gdaemonfile.c:535
#16 0x00007ffff0642735 in file_transfer (source=0xde08f0, destination=0xde6920, flags=G_FILE_COPY_NOFOLLOW_SYMLINKS, remove_source=0, cancellable=0xa65b30 [GCancellable], progress_callback=0x4b0ab0 <copy_file_progress_callback>, 
    progress_callback_data=0x7fffe9d0a9f0, error=0x7fffe9d0a908) at gdaemonfile.c:2454
#17 0x00007ffff0642ac6 in g_daemon_file_copy (source=0xde08f0, destination=0xde6920, flags=G_FILE_COPY_NOFOLLOW_SYMLINKS, cancellable=0xa65b30 [GCancellable], progress_callback=0x4b0ab0 <copy_file_progress_callback>, 
    progress_callback_data=0x7fffe9d0a9f0, error=0x7fffe9d0a908) at gdaemonfile.c:2491
#18 0x0000003ec84434dd in g_file_copy (source=0xde08f0, destination=0xde6920, flags=G_FILE_COPY_NOFOLLOW_SYMLINKS, cancellable=0xa65b30 [GCancellable], progress_callback=0x4b0ab0 <copy_file_progress_callback>, progress_callback_data=
    0x7fffe9d0a9f0, error=0x7fffe9d0aa30) at gfile.c:3085
#19 0x00000000004b3ebc in copy_move_file (copy_job=0xf27210, src=0xde08f0, dest_dir=0xfd7e20, same_fs=0, unique_names=0, dest_fs_type=0x7fffe9d0ab50, source_info=0x7fffe9d0ac70, transfer_info=0x7fffe9d0ac40, debuting_files=0x0, 
    position=0x0, overwrite=0, skipped_file=0x7fffe9d0ab6c, readonly_source_fs=0) at nautilus-file-operations.c:4094
#20 0x00000000004b4069 in copy_move_directory (readonly_source_fs=<value optimized out>, skipped_file=<value optimized out>, debuting_files=<value optimized out>, transfer_info=<value optimized out>, source_info=<value optimized out>, 
    parent_dest_fs_type=<value optimized out>, create_dest=<value optimized out>, same_fs=<value optimized out>, dest=<value optimized out>, src=<value optimized out>, copy_job=<value optimized out>) at nautilus-file-operations.c:3457
#21 copy_move_file (copy_job=0xf27210, src=0xde30f0, dest_dir=0x1, same_fs=0, unique_names=0, dest_fs_type=0x7fffe9d0ab50, source_info=0x7fffe9d0ac70, transfer_info=0x7fffe9d0ac40, debuting_files=0xfc16d0 = {...}, position=0x0, 
    overwrite=0, skipped_file=0x7fffe9d0ac9c, readonly_source_fs=0) at nautilus-file-operations.c:4299
#22 0x00000000004b5de1 in copy_files (transfer_info=0x7fffe9d0ac40, source_info=0x7fffe9d0ac70, dest_fs_id=0xf971a0 "l2305", job=0xf27210) at nautilus-file-operations.c:4418
#23 copy_job (io_job=0xc56cb0, cancellable=<value optimized out>, user_data=0xf27210) at nautilus-file-operations.c:4508
#24 0x0000003ec84596f6 in io_job_thread (data=0xc56cb0, user_data=<value optimized out>) at gioscheduler.c:181
#25 0x0000003ec746d7c4 in g_thread_pool_thread_proxy (data=<value optimized out>) at gthreadpool.c:319
#26 0x0000003ec746b046 in g_thread_create_proxy (data=0xc46e20) at gthread.c:1897
#27 0x0000003077e06d5b in start_thread () from /lib64/libpthread.so.0
#28 0x0000003077ae5f2d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7ffff6eee700 (LWP 17167)):
#0  0x0000003077adc493 in poll () from /lib64/libc.so.6
#1  0x0000003ec74439c4 in g_main_context_poll (n_fds=5, fds=0x950e30, timeout=-1, context=0x7cc520, priority=<value optimized out>) at gmain.c:3404
#2  g_main_context_iterate (context=0x7cc520, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3086
#3  0x0000003ec74442d2 in g_main_loop_run (loop=0x7cc610) at gmain.c:3299
#4  0x0000003ec84bdea4 in gdbus_shared_thread_func (data=<value optimized out>) at gdbusprivate.c:276
#5  0x0000003ec746b046 in g_thread_create_proxy (data=0x7cc630) at gthread.c:1897
#6  0x0000003077e06d5b in start_thread () from /lib64/libpthread.so.0
#7  0x0000003077ae5f2d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7ffff70fd840 (LWP 17158)):
#0  0x0000003077adc493 in poll () from /lib64/libc.so.6
#1  0x0000003ec74439c4 in g_main_context_poll (n_fds=15, fds=0xa1cbb0, timeout=2366, context=0x7a5a50, priority=<value optimized out>) at gmain.c:3404
#2  g_main_context_iterate (context=0x7a5a50, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3086
#3  0x0000003ec74442d2 in g_main_loop_run (loop=0x82f6e0) at gmain.c:3299
#4  0x00007ffff74dc87d in gtk_main () at gtkmain.c:1297
#5  0x0000003ec84955fc in g_application_run (application=0x7bf010 [NautilusApplication], argc=<value optimized out>, argv=<value optimized out>) at gapplication.c:1217
#6  0x000000000043b0fa in main (argc=2, argv=0x7fffffffddb8) at nautilus-main.c:277
(gdb) k

