.
Thread 5 (Thread 0x7f821a0a6700 (LWP 3617)):
#0  0x00007f822722f831 in __GI___poll (fds=0x7f8210133380, nfds=8, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f8228355129 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f82283554c2 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f822893eac6 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f822837c605 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f822750e7fc in start_thread (arg=0x7f821a0a6700) at pthread_create.c:465
        pd = 0x7f821a0a6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140196759365376, 5014296595269919628, 140196776146894, 140196776146895, 140196759365376, 140196759366080, -5002821633297898612, -5002915833081257076}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f822723ba3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 4 (Thread 0x7f820b392700 (LWP 18720)):
#0  0x00007f8227235929 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f822839a7ca in g_cond_wait_until () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f82283292e1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f822832989c in g_async_queue_timeout_pop () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f822837d0ae in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f822837c605 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f822750e7fc in start_thread (arg=0x7f820b392700) at pthread_create.c:465
        pd = 0x7f820b392700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140196510770944, 5014296595269919628, 140728105723358, 140728105723359, 140196510770944, 25, -5002854470470360180, -5002915833081257076}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f822723ba3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 3 (Thread 0x7f821a8a7700 (LWP 3616)):
#0  0x00007f822722f831 in __GI___poll (fds=0x7f8214007980, nfds=2, timeout=3996) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f8228355129 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f822835523c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8228355281 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f822837c605 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f822750e7fc in start_thread (arg=0x7f821a8a7700) at pthread_create.c:465
        pd = 0x7f821a8a7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140196767758080, 5014296595269919628, 140196776146510, 140196776146511, 140196767758080, 140196767758784, -5002820532175658100, -5002915833081257076}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f822723ba3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 2 (Thread 0x7f821b0a8700 (LWP 3615)):
#0  0x00007f822722f831 in __GI___poll (fds=0x55873d12c830, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f8228355129 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f822835523c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f821b0b046d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007f822837c605 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f822750e7fc in start_thread (arg=0x7f821b0a8700) at pthread_create.c:465
        pd = 0x7f821b0a8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140196776150784, 5014296595269919628, 140728105725790, 140728105725791, 140196776150784, 140196776151488, -5002819433200901236, -5002915833081257076}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f822723ba3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 1 (Thread 0x7f822a430ac0 (LWP 3613)):
#0  0x00007f8228653d5f in g_type_check_instance_is_fundamentally_a () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#1  0x00007f82286369bb in g_object_get () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#2  0x000055873b93e25a in  ()
#3  0x000055873b93eab1 in  ()
#4  0x000055873b94c201 in  ()
#5  0x00007f822862e1d6 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6  0x00007f822864981f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7  0x00007f8228649f4f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8  0x00007f822935543d in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#9  0x00007f8229355495 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#10 0x00007f822862df9d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007f8228640e2e in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007f8228649535 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007f8228649f4f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007f82293538f0 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#15 0x00007f8221ba0e18 in ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#16 0x00007f8221ba087a in ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#17 0x00007f822862eb8d in g_cclosure_marshal_generic_va () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#18 0x00007f822862e1d6 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007f822864981f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007f8228649f4f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007f8229411a41 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#22 0x00007f8228630ea8 in g_cclosure_marshal_VOID__BOXEDv () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#23 0x00007f822862e1d6 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#24 0x00007f822864981f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#25 0x00007f8228649f4f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#26 0x00007f822940ecbe in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#27 0x00007f82294102ab in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#28 0x00007f8229412fae in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#29 0x00007f82293e03a1 in gtk_event_controller_handle_event () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#30 0x00007f82295a386b in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#31 0x00007f822945b347 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#32 0x00007f822862e1d6 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#33 0x00007f82286491ed in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#34 0x00007f8228649f4f in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#35 0x00007f82295a5b04 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#36 0x00007f82294581de in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#37 0x00007f822945a358 in gtk_main_do_event () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#38 0x00007f8228f594a5 in  () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
#39 0x00007f8228f8a952 in  () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
#40 0x00007f8228354f77 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f82283551b0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f82283554c2 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f8229459435 in gtk_main () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#44 0x000055873b9345f9 in _vala_main ()
#45 0x00007f82271481c1 in __libc_start_main (main=0x55873b934280 <main>, argc=1, argv=0x7ffdd0c082b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdd0c082a8) at ../csu/libc-start.c:308
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -1254205197811211380, 94039308452496, 140728105730736, 0, 0, -5013071883268807796, -5002916415897754740}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffdd0c082c8, 0x7f822a49a150}, data = {prev = 0x0, cleanup = 0x0, canceltype = -792689976}}}
        not_first_call = <optimized out>
#46 0x000055873b9342ba in _start ()