.
Thread 3 (LWP 3336):
#0  0x00007f869880639d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f8698f4b87c in g_main_context_poll (n_fds=3, fds=0x7f86880010c0, timeout=-1, context=0xff5f00, priority=<optimized out>) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3653
        poll_func = 0x7f8698f59b50 <g_poll>
#2  g_main_context_iterate (context=0xff5f00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3354
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x7f86880010c0
        nfds = 3
#3  0x00007f8698f4bd52 in g_main_loop_run (loop=0xff5e90) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3553
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f869848cb76 in gdbus_shared_thread_func (user_data=0xff5ed0) at /build/buildd/glib2.0-2.35.4/./gio/gdbusprivate.c:277
        data = 0xff5ed0
#5  0x00007f8698f6f565 in g_thread_proxy (data=0xff1b70) at /build/buildd/glib2.0-2.35.4/./glib/gthread.c:798
        thread = 0xff1b70
#6  0x00007f869819ff8f in start_thread (arg=0x7f86953f4700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f86953f4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140216006297344, 6929084425583915154, 0, 140216092500064, 140733517676464, 4096, -6979409624696950638, -6979385759691116398}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f8698812ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 3335):
#0  0x00007f869880639d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f8698f4b87c in g_main_context_poll (n_fds=1, fds=0x7f86900008e0, timeout=-1, context=0xfe59e0, priority=<optimized out>) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3653
        poll_func = 0x7f8698f59b50 <g_poll>
#2  g_main_context_iterate (context=context@entry=0xfe59e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3354
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x7f86900008e0
        nfds = 1
#3  0x00007f8698f4b9a4 in g_main_context_iteration (context=0xfe59e0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3420
        retval = <optimized out>
#4  0x00007f8698f4ba01 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:5109
No locals.
#5  0x00007f8698f6f565 in g_thread_proxy (data=0xfe3c50) at /build/buildd/glib2.0-2.35.4/./glib/gthread.c:798
        thread = 0xfe3c50
#6  0x00007f869819ff8f in start_thread (arg=0x7f8695bf5700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f8695bf5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140216014690048, 6929084425583915154, 0, 140216092500064, 140733517678176, 4096, -6979410726892932974, -6979385759691116398}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f8698812ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 3334):
#0  0x00007f869879ca0c in __GI___libc_free (mem=0x7fff13544800) at malloc.c:2906
        ar_ptr = <optimized out>
        p = 0x7fff135447f0
        hook = <optimized out>
#1  0x0000000000413b20 in ?? ()
No symbol table info available.
#2  0x00000000004150d5 in ?? ()
No symbol table info available.
#3  0x000000000040ba6b in ?? ()
No symbol table info available.
#4  0x0000000000411b81 in ?? ()
No symbol table info available.
#5  0x000000000041258b in ?? ()
No symbol table info available.
#6  0x000000000040917f in ?? ()
No symbol table info available.
#7  0x0000000000407047 in ?? ()
No symbol table info available.
#8  0x00007f869873aea5 in __libc_start_main (main=0x406ce0, argc=1, ubp_av=0x7fff13544ba8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff13544b98) at libc-start.c:260
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6929084425583915154, 4223368, 140733517679520, 0, 0, -6929021972902907758, -6979385946019663726}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x419ea0, 0x7fff13544ba8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4300448}}}
        not_first_call = <optimized out>
#9  0x00000000004071b1 in ?? ()
No symbol table info available.