.
Thread 2 (process 8023):
#0  0x00007f5b87c35637 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#1  0x00007f5b87c35a83 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#2  0x00007f5b88fa5622 in gtk_adjustment_value_changed ()
   from /usr/lib/libgtk-x11-2.0.so.0
#3  0x00007f5b890b8945 in gtk_progress_bar_set_fraction ()
   from /usr/lib/libgtk-x11-2.0.so.0
#4  0x00007f5b87c22547 in g_object_set_valist ()
   from /usr/lib/libgobject-2.0.so.0
#5  0x00007f5b87c229b4 in g_object_set () from /usr/lib/libgobject-2.0.so.0
#6  0x0000000000422f20 in ?? ()
#7  0x0000000000423489 in ?? ()
#8  0x00007f5b8857da0d in ?? () from /usr/lib/libgio-2.0.so.0
#9  0x00007f5b8857e065 in g_file_copy () from /usr/lib/libgio-2.0.so.0
#10 0x0000000000423137 in ?? ()
#11 0x00007f5b88590096 in ?? () from /usr/lib/libgio-2.0.so.0
#12 0x00007f5b879af1d7 in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x00007f5b879adc74 in ?? () from /usr/lib/libglib-2.0.so.0
#14 0x00007f5b877353ba in start_thread () from /lib/libpthread.so.0
#15 0x00007f5b874a1fcd in clone () from /lib/libc.so.6
#16 0x0000000000000000 in ?? ()
.
Thread 1 (process 7817):
#0  0x00007f5b880aba6b in ?? () from /usr/lib/libpango-1.0.so.0
#1  0x00007f5b880ac55d in ?? () from /usr/lib/libpango-1.0.so.0
#2  0x00007f5b880ae186 in pango_layout_get_pixel_extents ()
   from /usr/lib/libpango-1.0.so.0
#3  0x00007f5b89066c0d in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#4  0x00007f5b8906c8fe in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#5  0x00007f5b8907e023 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#6  0x00007f5b87c1d21f in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#7  0x00007f5b87c33b8f in ?? () from /usr/lib/libgobject-2.0.so.0
#8  0x00007f5b87c353eb in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#9  0x00007f5b87c35a83 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#10 0x00007f5b8919f9ae in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x00007f5b88fe7c5c in gtk_container_propagate_expose ()
   from /usr/lib/libgtk-x11-2.0.so.0
#12 0x00007f5b88fb2733 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#13 0x00007f5b88fea165 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#14 0x00007f5b8907e023 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x00007f5b87c1d21f in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#16 0x00007f5b87c33b8f in ?? () from /usr/lib/libgobject-2.0.so.0
#17 0x00007f5b87c353eb in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#18 0x00007f5b87c35a83 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#19 0x00007f5b8919f9ae in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x00007f5b88fe7c5c in gtk_container_propagate_expose ()
   from /usr/lib/libgtk-x11-2.0.so.0
#21 0x00007f5b88fb2733 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#22 0x00007f5b88fea165 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#23 0x00007f5b8907e023 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#24 0x00007f5b87c1d21f in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#25 0x00007f5b87c33b8f in ?? () from /usr/lib/libgobject-2.0.so.0
#26 0x00007f5b87c353eb in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#27 0x00007f5b87c35a83 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#28 0x00007f5b8919f9ae in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#29 0x00007f5b88fe7c5c in gtk_container_propagate_expose ()
   from /usr/lib/libgtk-x11-2.0.so.0
#30 0x00007f5b88fea165 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#31 0x00007f5b8907e023 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#32 0x00007f5b87c1d2cd in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#33 0x00007f5b87c33b8f in ?? () from /usr/lib/libgobject-2.0.so.0
#34 0x00007f5b87c353eb in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#35 0x00007f5b87c35a83 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#36 0x00007f5b8919f9ae in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#37 0x00007f5b89076740 in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#38 0x00007f5b88cb3855 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#39 0x00007f5b88cb4210 in gdk_window_process_all_updates ()
   from /usr/lib/libgdk-x11-2.0.so.0
#40 0x00007f5b88fe8cfb in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#41 0x00007f5b88c9754b in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#42 0x00007f5b8798419a in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#43 0x00007f5b87987870 in ?? () from /usr/lib/libglib-2.0.so.0
#44 0x00007f5b87987d3d in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#45 0x00007f5b89076937 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#46 0x00000000004182eb in main ()