.
Thread 4 (Thread 0x7fb8cdae9700 (LWP 1257)):
#0  0x00007fb8d520147d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb8d5740694 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb8d5740afa in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb8d5d159d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fb8d57650e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb8d54e2f6e in start_thread (arg=0x7fb8cdae9700) at pthread_create.c:311
        __res = <optimised out>
        pd = 0x7fb8cdae9700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140431701481216, 3752697849393911571, 0, 140431858761824, 140431709870704, 4096, -3790384287344290029, -3790368064289040621}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb8d520decd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 3 (Thread 0x7fb8bcc93700 (LWP 1581)):
#0  0x00007fb8d520147d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb8d5740694 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb8d574079c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb8d57407e9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fb8d57650e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb8d54e2f6e in start_thread (arg=0x7fb8bcc93700) at pthread_create.c:311
        __res = <optimised out>
        pd = 0x7fb8bcc93700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140431418013440, 3752697849393911571, 0, 140431858761824, 140735488969392, 4096, -3790558236741003501, -3790368064289040621}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb8d520decd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (Thread 0x7fb8d70b3980 (LWP 1253)):
#0  0x00007fb8d5d032bf in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#1  0x00007fb8d5d03b81 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#2  0x00007fb8d5d06870 in g_dbus_connection_send_message () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#3  0x00007fb8d5d0a2f3 in g_dbus_connection_emit_signal () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00000000004041f3 in _start ()
No symbol table info available.
.
Thread 1 (Thread 0x7fb8cd0dc700 (LWP 1258)):
#0  0x00007fb8d5cf1b7c in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#1  0x00007fb8d5cf203a in g_settings_backend_changed () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#2  0x00007fb8cd0e121b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#3  0x00007fb8cd0e185e in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fb8cd0e376e in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#5  0x00007fb8d5cb7a67 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#6  0x00007fb8d5d07fc6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#7  0x00007fb8d5cb7a67 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#8  0x00007fb8d5cb7ac9 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#9  0x00007fb8d57403a6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007fb8d57406f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007fb8d574079c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007fb8cd0e3a9d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#13 0x00007fb8d57650e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007fb8d54e2f6e in start_thread (arg=0x7fb8cd0dc700) at pthread_create.c:311
        __res = <optimised out>
        pd = 0x7fb8cd0dc700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140431690942208, 3752697849393911571, 0, 140431858761824, 140735488969920, 4096, -3790385102851205357, -3790368064289040621}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#15 0x00007fb8d520decd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.