.
Thread 4 (Thread 0x7ffccea39700 (LWP 20806)):
#0  0x00007ffce573374d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007ffce5c73d34 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffce5c73e3c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffce5c73e79 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007ffce5c98c55 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ffce5a15182 in start_thread (arg=0x7ffccea39700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7ffccea39700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140723775313664, -6618428176973440967, 0, 0, 140723775314368, 140723775313664, 6620014257416165433, 6620104403029710905}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007ffce5740b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 3 (Thread 0x7ffcdd433700 (LWP 20783)):
#0  0x00007ffce573374d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007ffce5c73d34 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffce5c7405a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffce6253e06 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007ffce5c98c55 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ffce5a15182 in start_thread (arg=0x7ffcdd433700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7ffcdd433700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140724020655872, -6618428176973440967, 0, 0, 140724020656576, 140724020655872, 6620049722034870329, 6620104403029710905}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007ffce5740b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 2 (Thread 0x7ffccf491700 (LWP 20784)):
#0  0x00007ffce573374d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007ffce5c73d34 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffce5c73e3c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffcde3f715d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007ffce5c98c55 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ffce5a15182 in start_thread (arg=0x7ffccf491700) at pthread_create.c:312
        __res = <optimised out>
        pd = 0x7ffccf491700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140723786159872, -6618428176973440967, 0, 0, 140723786160576, 140723786159872, 6620010190082136121, 6620104403029710905}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007ffce5740b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.
.
Thread 1 (Thread 0x7ffce79489c0 (LWP 20782)):
#0  0x00007ffce5c8e6ad in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#1  0x00007ffce5c45f91 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffce5c8f619 in g_slice_free1 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffce5f5df6c in g_type_free_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007ffce72d7aa3 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#5  0x00007ffce71e78eb in gtk_list_store_remove () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#6  0x00007ffce71e8037 in gtk_list_store_clear () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#7  0x000000000040d622 in ?? ()
No symbol table info available.
#8  0x00007ffce5f41c3a in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x000000000041872f in ?? ()
No symbol table info available.
#10 0x00007ffce5f3f4d1 in g_cclosure_marshal_VOID(int0_t, void) () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007ffce5f3d4a7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007ffce5f55f78 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007ffce5f56bd2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007ffce5f3d4a7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007ffce5f55f78 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#16 0x00007ffce5f56bd2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007ffce7121538 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#18 0x00007ffce5f3d4a7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#19 0x00007ffce5f55f78 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x00007ffce5f56bd2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#21 0x00007ffce71203f1 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#22 0x00007ffce71eb9ce in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#23 0x00007ffce5f3d4a7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#24 0x00007ffce5f55f78 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#25 0x00007ffce5f56bd2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#26 0x00007ffce73144f4 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#27 0x00007ffce71e9d1c in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#28 0x00007ffce71eb5aa in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#29 0x00007ffce6df08b2 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#30 0x00007ffce5c73b54 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#31 0x00007ffce5c73d98 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#32 0x00007ffce5c7405a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#33 0x00007ffce71eaab5 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#34 0x000000000040cff0 in main ()
No symbol table info available.