.
Thread 2 (Thread 0x7f449729f700 (LWP 1554)):
#0  0x00007f44a11c5f7d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f449f40b694 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f449f40b79c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f449f40b7e9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f449f4300e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f44a14a7f6e in start_thread (arg=0x7f449729f700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f449729f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139932570613504, 8323545333024205688, 0, 139932744941664, 140735361221840, 4096, -8283806148614378632, -8283686563353023624}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f44a11d29cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (Thread 0x7f44a18b9740 (LWP 1553)):
#0  0x00007f449d71c1f7 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#1  0x00007f449d82cf8f in gtk_render_icon_pixbuf () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#2  0x00007f449d7770a4 in gtk_icon_set_render_icon_pixbuf () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#3  0x00007f449d760689 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#4  0x00007f449f6d976e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007f449f6daedd in g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f449f6db68c in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f449d763e41 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#8  0x00007f449f6d976e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007f449f6daedd in g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f449d6d8100 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#11 0x00007f449d6d8636 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#12 0x00007f449d6d9da9 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#13 0x00007f449f40f3f0 in g_markup_parse_context_parse () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f449d6da26e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#15 0x00007f449d6d5acc in gtk_builder_add_from_file () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#16 0x00007f449ea55adc in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#17 0x00007f449ea5540c in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#18 0x00007f449f91ecc9 in g_callable_info_invoke () from /usr/lib/libgirepository-1.0.so.1
No symbol table info available.
#19 0x00007f449f920007 in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1
No symbol table info available.
#20 0x00007f449fb5c027 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so
No symbol table info available.
#21 0x00007f449fb5236e in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so
No symbol table info available.
#22 0x000000000052e3cb in PyEval_EvalFrameEx ()
No symbol table info available.
#23 0x000000000050697a in ?? ()
No symbol table info available.
#24 0x00000000004d53f4 in ?? ()
No symbol table info available.
#25 0x000000000051bee6 in PyObject_Call ()
No symbol table info available.
#26 0x0000000000485990 in ?? ()
No symbol table info available.
#27 0x000000000051c0ab in ?? ()
No symbol table info available.
#28 0x000000000052e3cb in PyEval_EvalFrameEx ()
No symbol table info available.
#29 0x0000000000567cdc in PyEval_EvalCode ()
No symbol table info available.
#30 0x0000000000451adb in ?? ()
No symbol table info available.
#31 0x0000000000451e5b in PyRun_FileExFlags ()
No symbol table info available.
#32 0x0000000000452394 in PyRun_SimpleFileExFlags ()
No symbol table info available.
#33 0x0000000000453ead in Py_Main ()
No symbol table info available.
#34 0x00007f44a10f9de5 in __libc_start_main (main=0x453f6b <main>, argc=17, ubp_av=0x7fff8136a1d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff8136a1c8) at libc-start.c:260
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8323545333024205688, 5736085, 140735361229264, 0, 0, -8323727381730382984, -8283687075438482568}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x5bb340 <__libc_csu_init>, 0x7fff8136a1d8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 6009664}}}
        not_first_call = <optimized out>
#35 0x00000000005786be in _start ()
No symbol table info available.