.
Thread 2 (Thread 3598):
#0  0x00007f77ba600f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = 18446744073709551100
        oldtype = 0
        result = <value optimized out>
#1  0x00007f77bb856104 in g_main_context_poll (context=0x1a7e820, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3404
        poll_func = 0x7f77bb866130 <g_poll>
#2  g_main_context_iterate (context=0x1a7e820, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x7f77ac006c80
#3  0x00007f77bb8569f2 in g_main_loop_run (loop=0x1a7e800) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f77ba095c44 in gdbus_shared_thread_func (data=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./gio/gdbusprivate.c:276
No locals.
#5  0x00007f77bb87d3e4 in g_thread_create_proxy (data=0x1a7e900) at /build/buildd/glib2.0-2.28.6/./glib/gthread.c:1897
        thread = 0x1a7e900
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f77bafa8d8c in start_thread (arg=0x7f77b35ad700) at pthread_create.c:304
        pd = 0x7f77b35ad700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140152086910720, -6071946559504240505, 140152095300064, 140152086911424, 0, 3, 6148392554002395271, 6148373585317343367}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f77ba60e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 3595):
#0  0x00000000004a490c in SYSTEM_LONGJMP$JMP_BUF$LONGINT ()
No symbol table info available.
#1  0x00000000004a009f in fpc_raiseexception ()
No symbol table info available.
#2  0x00000000000000d8 in ?? ()
No symbol table info available.
#3  0x00007f77a925ede0 in ?? ()
No symbol table info available.
#4  0x00007fff98a16680 in ?? ()
No symbol table info available.
#5  0x00000000005225e8 in SYSUTILS_RUNERRORTOEXCEPT$LONGINT$POINTER$POINTER ()
No symbol table info available.
#6  0x000000000000000b in ?? ()
No symbol table info available.
#7  0x00007fff98a16690 in ?? ()
No symbol table info available.
#8  0x00000000000000d8 in ?? ()
No symbol table info available.
#9  0x00000000004a490c in SYSTEM_LONGJMP$JMP_BUF$LONGINT ()
No symbol table info available.
#10 0x0000000000490000 in ?? ()
No symbol table info available.
#11 0x0000000000000000 in ?? ()
No symbol table info available.