.
Thread 4 (Thread 0x7f0cf6048700 (LWP 21728)):
#0  0x00007f0cfec1abf9 in __GI___poll (fds=0x562bb419f3c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f0cff722439 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f0cff72254c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f0cf605036d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f0cff749e05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f0cfeefe6db in start_thread (arg=0x7f0cf6048700) at pthread_create.c:463
        pd = 0x7f0cf6048700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693643826944, -2893870457428418763, 139693643824256, 0, 94745704923216, 140731370135776, 3012631272581979957, 3012650836867112757}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f0cfec2788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7f0cf7257700 (LWP 21725)):
#0  0x00007f0cfec1abf9 in __GI___poll (fds=0x562bb418beb0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f0cff722439 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f0cff72254c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f0cff722591 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f0cff749e05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f0cfeefe6db in start_thread (arg=0x7f0cf7257700) at pthread_create.c:463
        pd = 0x7f0cf7257700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693662762752, -2893870457428418763, 139693662760064, 0, 94745704923296, 140731370137520, 3012633738430078773, 3012650836867112757}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f0cfec2788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7f0cf6a56700 (LWP 21727)):
#0  0x00007f0cfec1abf9 in __GI___poll (fds=0x562bb41e7410, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f0cff722439 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f0cff7227d2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f0cffd0ee16 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f0cff749e05 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f0cfeefe6db in start_thread (arg=0x7f0cf6a56700) at pthread_create.c:463
        pd = 0x7f0cf6a56700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693654370048, -2893870457428418763, 139693654367360, 0, 94745704916848, 140731370137904, 3012632637307838261, 3012650836867112757}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f0cfec2788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7f0d0177ba80 (LWP 21721)):
#0  0x00007f0d00eb5267 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#1  0x0000562bb20585bb in ?? ()
No symbol table info available.
#2  0x00007f0d00eb832b in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#3  0x00007f0cff9fbf6d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007f0cffa0ed3e in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007f0cffa16d8f in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f0cffa17e0f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f0d00fffe94 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#8  0x00007f0d00eb539e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#9  0x00007f0d00eb7478 in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#10 0x00007f0d009c99a5 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#11 0x00007f0d009fa2e2 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#12 0x00007f0cff722287 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0x00007f0cff7224c0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f0cff72254c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x00007f0cffce2d0d in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#16 0x0000562bb204d0ce in ?? ()
No symbol table info available.
#17 0x00007f0cfeb27b97 in __libc_start_main (main=0x562bb204cf20, argc=1, argv=0x7ffe93536e18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe93536e08) at ../csu/libc-start.c:310
        self = <optimized out>
        __self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8899548508768132917, 94745670242608, 140731370139152, 0, 0, 2894634236352618293, 3012650050160779061}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f0d0159e733 <_dl_init+259>, 0x7f0d01577878}, data = {prev = 0x0, cleanup = 0x0, canceltype = 22669107}}}
        not_first_call = <optimized out>
#18 0x0000562bb204d15a in ?? ()
No symbol table info available.