.
Thread 3 (Thread 0x7f8a663ff6c0 (LWP 4337)):
#0  0x00007f8a66d10eff in __GI___poll (fds=0x55c782f5ad90, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f8a66fd800e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a66f80ca0 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a66f80cf1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8a66fb2301 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8a66c902a2 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 = {140232397682368, -5982984109149440874, -128, 0, 140724932220016, 140232389292032, 6047463319803475094, 6047461514518803606}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f8a66d1f260 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 2 (Thread 0x7f8a66e091c0 (LWP 4308)):
#0  0x00007f8a66eaa53c in  () at /lib/x86_64-linux-gnu/libgmodule-2.0.so.0
#1  0x00007ffd1398a5b0 in  ()
#2  0x00007f8a672bcd9e in _dl_fini () at ./elf/dl-fini.c:142
        array = 0x7ffd1398a380
        i = <optimized out>
        l = 0x7f8a66eaf000
        maps = 0x7ffd1398a4c0
        i = 10
        l = <optimized out>
        nmaps = <optimized out>
        nloaded = <optimized out>
        ns = 0
        do_audit = <optimized out>
        __PRETTY_FUNCTION__ = "_dl_fini"
.
Thread 1 (Thread 0x7f8a65bfe6c0 (LWP 4340)):
#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
        tid = <optimized out>
        ret = 0
        pd = <optimized out>
        old_mask = {__val = {140232410678464}}
        ret = <optimized out>
#1  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3  0x00007f8a66c3bc46 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#4  0x00007f8a66c227fc in __GI_abort () at ./stdlib/abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x20, sa_sigaction = 0x20}, sa_mask = {__val = {140232158738416, 140232389286680, 140232409906759, 140232158642288, 0, 140232158741712, 0, 140232389286672, 10089258788419809792, 140232158619888, 18446744073709551488, 11, 140232410680800, 94315353124894, 140232389286784, 0}}, sa_flags = 1724516483, sa_restorer = 0x55c7811eb029}
#5  0x00007f8a66f4bd03 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8a66fa5d9e in g_assertion_message_expr () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x000055c7811db136 in  ()
#8  0x00007f8a671cbcf6 in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#9  0x00007f8a671e5675 in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#10 0x00007f8a671e5981 in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#11 0x00007f8a66f833bf in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f8a66fd8098 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f8a66f82a6f in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f8a671dc34a in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#15 0x00007f8a66fb2301 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f8a66c902a2 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 = {140232389289664, -5982984109149440874, -128, 11, 140724932220320, 140232380899328, 6047455623758951574, 6047461514518803606}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#17 0x00007f8a66d1f260 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81