Breakpoint 1, thunar_file_reload (file=0x7fffe0011e40) at thunar-file.c:3921
3921	  _thunar_return_if_fail (THUNAR_IS_FILE (file));
(gdb) p *file
$12 = {__parent__ = {g_type_instance = {g_class = 0x0}, ref_count = 0, 
    qdata = 0x0}, info = 0xa46800, kind = G_FILE_TYPE_REGULAR, 
  gfile = 0x8d92c0, content_type = 0x0, icon_name = 0x0, 
  custom_icon_name = 0x0, display_name = 0xb89c60 "Ma_ke Links", 
  basename = 0xbf5fb0 "test", thumbnail_path = 0x0, collate_key = 0xb337f0 "", 
  collate_key_nocase = 0xb337f0 "", flags = THUNAR_FILE_FLAG_IS_MOUNTED}
(gdb) continue 
Continuing.

(thunar:5624): thunar-CRITICAL **: thunar_file_reload: assertion '(((__extension__ ({ GTypeInstance *__inst = (GTypeInstance*) ((file)); GType __t = ((thunar_file_get_type ())); gboolean __r; if (!__inst) __r = (0); else if (__inst->g_class && __inst->g_class->g_type == __t) __r = (!(0)); else __r = g_type_check_instance_is_a (__inst, __t); __r; }))))' failed
[Thread 0x7fffdbfff700 (LWP 5655) exited]

Program received signal SIGTRAP, Trace/breakpoint trap.
0x00007ffff4b5864b in g_logv () from /usr/lib/libglib-2.0.so.0
(gdb) bt
#0  0x00007ffff4b5864b in g_logv () from /usr/lib/libglib-2.0.so.0
#1  0x00007ffff4b587bf in g_log () from /usr/lib/libglib-2.0.so.0
#2  0x0000000000450ea4 in thunar_file_reload (file=0x7fffe0011d40)
    at thunar-file.c:3921
#3  0x00007ffff4b51c7a in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff4b52020 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007ffff4b52342 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#6  0x00007ffff6a2c8a7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#7  0x00000000004249ae in main (argc=1, argv=0x7fffffffe808) at main.c:312