.
Thread 2 (Thread 0x7fe5cdf4f700 (LWP 12774)):
#0  0x00007fe5e248adc3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe5e161d136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe5e161d59a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe5e0f43446 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fe5e163e7d5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe5e3680e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fe5e249677d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fe5e3aa0700 (LWP 11900)):
#0  0x00007fe5df4c8a60 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#1  0x00007fe5df4d9ec5 in gtk_image_clear () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#2  0x00007fe5df4da7fc in gtk_image_set_from_stock () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#3  0x00007fe5e0c6da14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#4  0x00007fe5e0c6d435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#5  0x00007fe5e1b1f8b0 in ?? () from /usr/lib/libgirepository-1.0.so.1
No symbol table info available.
#6  0x00007fe5e1b20c1e in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1
No symbol table info available.
#7  0x00007fe5e1d59c48 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so
No symbol table info available.
#8  0x00000000004ba32b in PyEval_EvalFrameEx ()
No symbol table info available.
#9  0x00000000004bd305 in PyEval_EvalCodeEx ()
No symbol table info available.
#10 0x00000000004b6c5e in PyEval_EvalFrameEx ()
No symbol table info available.
#11 0x00000000004bd305 in PyEval_EvalCodeEx ()
No symbol table info available.
#12 0x00000000004b6c5e in PyEval_EvalFrameEx ()
No symbol table info available.
#13 0x00000000004bcd0d in PyEval_EvalCodeEx ()
No symbol table info available.
#14 0x00000000004b6c5e in PyEval_EvalFrameEx ()
No symbol table info available.
#15 0x00000000004b6b97 in PyEval_EvalFrameEx ()
No symbol table info available.
#16 0x00000000004b6b97 in PyEval_EvalFrameEx ()
No symbol table info available.
#17 0x00000000004bcd0d in PyEval_EvalCodeEx ()
No symbol table info available.
#18 0x00000000004bd7e2 in PyEval_EvalCode ()
No symbol table info available.
#19 0x00000000004dcc52 in ?? ()
No symbol table info available.
#20 0x00000000004dd814 in PyRun_FileExFlags ()
No symbol table info available.
#21 0x00000000004de28e in PyRun_SimpleFileExFlags ()
No symbol table info available.
#22 0x00000000004ee6dd in Py_Main ()
No symbol table info available.
#23 0x00007fe5e23c776d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#24 0x000000000041ce39 in _start ()
No symbol table info available.