.
Thread 4 (Thread 0x7f7f48ffe6c0 (LWP 1430)):
#0  0x00007f7f4df10f3f in __GI___poll (fds=0x562422c9b9f0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f7f4e32c10e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7f4e2d6a6f in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7f4e5302da in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f7f4e306401 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7f4de902e2 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140184662304448, 6203658123312398268, -256, 11, 140720993463456, 140184653914112, -6275410051922362436, -6275403362742927428}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f7f4df1f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 3 (Thread 0x7f7f497ff6c0 (LWP 1429)):
#0  0x00007f7f4df10f3f in __GI___poll (fds=0x562422c84490, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f7f4e32c10e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7f4e2d4ca0 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7f4e2d4cf1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7f4e306401 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7f4de902e2 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140184670697152, 6203658123312398268, -256, 1, 140720993463152, 140184662306816, -6275413352067858500, -6275403362742927428}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f7f4df1f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 2 (Thread 0x7f7f4c1eaa80 (LWP 1378)):
#0  __GI___libc_write (nbytes=8, buf=0x7ffc28d3ee30, fd=5) at ../sysdeps/unix/sysv/linux/write.c:26
        sc_ret = 8
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  __GI___libc_write (fd=5, buf=0x7ffc28d3ee30, nbytes=8) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007f7f4e32502a in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7f4e2d5a9c in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7f4e2d6603 in g_source_remove () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x0000562422086335 in  ()
#6  0x00007f7f4e3dd4a1 in g_object_unref () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7  0x00007f7f4e2c2d72 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x000056242209a845 in  ()
#9  0x000056242208fe26 in  ()
#10 0x00007f7f4e3dd4a1 in g_object_unref () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x000056242208eb4a in  ()
#12 0x00007f7f4e3dd4a1 in g_object_unref () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x000056242207cd9f in  ()
#14 0x00007f7f4de23550 in __libc_start_call_main (main=main@entry=0x56242207c740, argc=argc@entry=3, argv=argv@entry=0x7ffc28d3f2a8) at ../sysdeps/nptl/libc_start_call_main.h:58
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140720993465000, 6203658123312791484, 0, 140720993465032, 94713189947704, 140184752754720, -6201593480536358980, -6275403286094250052}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffc28d3f2a8, 0x7ffc28d3f2a8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 684978856}}}
        not_first_call = <optimized out>
#15 0x00007f7f4de23609 in __libc_start_main_impl (main=0x56242207c740, argc=3, argv=0x7ffc28d3f2a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc28d3f298) at ../csu/libc-start.c:381
#16 0x000056242207d4b5 in  ()
.
Thread 1 (Thread 0x7f7f43fff6c0 (LWP 1431)):
#0  0x000056242209360d in  ()
#1  0x000056242208d824 in  ()
#2  0x00007f7f4e2c2cb0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x000056242209a845 in  ()
#4  0x0000562422092b00 in  ()
#5  0x00007f7f4e3cef60 in g_closure_invoke () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6  0x00007f7f4e3fcd36 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7  0x00007f7f4e3ed11a in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8  0x00007f7f4e3ed3a3 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9  0x00007f7f4e51d0f6 in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#10 0x00007f7f4e2d73bf in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f7f4e32c198 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f7f4e2d4ca0 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f7f4a39c33d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#14 0x00007f7f4e306401 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f7f4de902e2 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140184578422464, 6203658123312398268, -256, 17, 140720993462208, 140184570032128, -6275390262323675204, -6275403362742927428}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#16 0x00007f7f4df1f240 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81