.
Thread 2 (Thread 1875):
#0  0x00007f81ba2894b3 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f81ba7a42a0 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f81ba7a4b7a in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f81b9f3db54 in ?? () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f81ba7cb6d4 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f81b97f7d8c in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6  0x00007f81ba29661d in clone () from /lib/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 1869):
#0  0x00007f81ba7889dd in g_datalist_id_set_data_full () from /lib/libglib-2.0.so.0
No symbol table info available.
#1  0x00007f81baa5fa6f in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#2  0x00007f81baa5fdaa in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#3  0x00000000004154d4 in remove_frame_window ()
No symbol table info available.
#4  0x00000000004123d5 in event_filter_func ()
No symbol table info available.
#5  0x00007f81bbadf8ee in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#6  0x00007f81bbae1e48 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#7  0x00007f81bbae1eee in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#8  0x00007f81ba7a3d4d in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#9  0x00007f81ba7a4538 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#10 0x00007f81ba7a4b7a in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f81bbe8df17 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#12 0x000000000040941d in main ()
No symbol table info available.