(gdb) run
Starting program: /home/gui/Thunar-1.6.11/thunar/.libs/thunar 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffebc96700 (LWP 23090)]

(thunar:23086): Gdk-WARNING **: gdk_window_set_icon_list: icons too large
[New Thread 0x7fffea16b700 (LWP 23091)]

(thunar:23086): Gdk-WARNING **: gdk_window_set_icon_list: icons too large

Thread 1 "thunar" received signal SIGSEGV, Segmentation fault.
thunar_dialogs_show_error (parent=0x962190, error=error@entry=0x0, format=0x476530 "There is nothing on the clipboard to paste")
    at thunar-dialogs.c:307
307	  if (error->code == G_IO_ERROR_FAILED_HANDLED)
(gdb) backtrace
#0  0x000000000042c337 in thunar_dialogs_show_error (parent=0x962190, error=error@entry=0x0, format=0x476530 "There is nothing on the clipboard to paste") at thunar-dialogs.c:307
#1  0x0000000000427c47 in thunar_clipboard_manager_contents_received (clipboard=<optimized out>, selection_data=<optimized out>, user_data=0xa1d220)
    at thunar-clipboard-manager.c:355
#2  0x00007ffff6b5f092 in  () at /usr/lib/libgtk-x11-2.0.so.0
#3  0x00007ffff4e13f75 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#4  0x00007ffff4e25f82 in  () at /usr/lib/libgobject-2.0.so.0
#5  0x00007ffff4e2ebcc in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#6  0x00007ffff4e2f45b in g_signal_emit_by_name () at /usr/lib/libgobject-2.0.so.0
#7  0x00007ffff6a90cb3 in  () at /usr/lib/libgtk-x11-2.0.so.0
#8  0x00007ffff6a9483a in  () at /usr/lib/libgtk-x11-2.0.so.0
#9  0x00007ffff6a2f7ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#10 0x00007ffff4e13f75 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#11 0x00007ffff4e2637d in  () at /usr/lib/libgobject-2.0.so.0
#12 0x00007ffff4e2e66f in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#13 0x00007ffff4e2efaf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#14 0x00007ffff6b478cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#15 0x00007ffff6a2e503 in gtk_main_do_event () at /usr/lib/libgtk-x11-2.0.so.0
#16 0x00007ffff66a546c in  () at /usr/lib/libgdk-x11-2.0.so.0
#17 0x00007ffff4b3b5a7 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#18 0x00007ffff4b3b810 in  () at /usr/lib/libglib-2.0.so.0
#19 0x00007ffff4b3bb32 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#20 0x00007ffff6a2d3a7 in gtk_main () at /usr/lib/libgtk-x11-2.0.so.0
#21 0x000000000041ec9d in main (argc=<optimized out>, argv=<optimized out>) at main.c:312
(gdb)