#0  0x00007f9603778d05 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 10770
#1  0x00007f960377cab6 in *__GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f95f4001a60, sa_sigaction = 0x7f95f4001a60}, sa_mask = {__val = {140282288364609, 1024, 140282020495392, 140282279803808, 140282352386048, 172, 140282020500800, 4294967295, 140282280286435, 140282147273192, 140282020500800, 3068024, 0, 0, 3, 140282287968256}}, sa_flags = 128601380, sa_restorer = 0x7f9600000005}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f9603f7d51d in g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f960350bf6d "initable_init", message=0x7f95f4000b30 "assertion failed: (connection->initialization_error == NULL)") at /build/buildd/glib2.0-2.28.6/./glib/gtestutils.c:1358
        lstr = "2279\000\177\000\000\350\304\310\a\226\177\000\000\000\000\000\000\000\000\000\000X\265P\003\226\177\000"
        s = 0x7f95f4001540 "x"
#3  0x00007f9603f7dae0 in g_assertion_message_expr (domain=0x7f96034ed301 "GLib-GIO", file=0x7f960350a0e0 "/build/buildd/glib2.0-2.28.6/./gio/gdbusconnection.c", line=2279, func=0x7f960350bf6d "initable_init", expr=<optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gtestutils.c:1369
        s = 0x0
#4  0x00007f96034c3a45 in initable_init (initable=0x248ba20, cancellable=0x0, error=0x7f95fb8e7b78) at /build/buildd/glib2.0-2.28.6/./gio/gdbusconnection.c:2279
        connection = 0x248ba20
        ret = 0
        __PRETTY_FUNCTION__ = "initable_init"
#5  0x00007f96034450f1 in async_init_thread (res=0x24f6180, object=<optimized out>, cancellable=<optimized out>) at /build/buildd/glib2.0-2.28.6/./gio/gasyncinitable.c:268
        error = 0x0
#6  0x00007f960347eb2c in run_in_thread (job=<optimized out>, c=0x0, _data=0x2464a00) at /build/buildd/glib2.0-2.28.6/./gio/gsimpleasyncresult.c:838
        data = 0x2464a00
        simple = 0x24f6180
        source = <optimized out>
#7  0x00007f9603470576 in io_job_thread (data=0x24f3a30, user_data=<optimized out>) at /build/buildd/glib2.0-2.28.6/./gio/gioscheduler.c:181
        job = 0x24f3a30
        result = <optimized out>
#8  0x00007f9603f81b16 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gthreadpool.c:319
        task = 0x24f3a30
        pool = 0x244b3d0
#9  0x00007f9603f7f3e4 in g_thread_create_proxy (data=0x24e9660) at /build/buildd/glib2.0-2.28.6/./glib/gthread.c:1897
        thread = 0x24e9660
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#10 0x00007f96071d8d8c in start_thread (arg=0x7f95fb8e8700) at pthread_create.c:304
        pd = 0x7f95fb8e8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140282147276544, 678559696725158298, 140734826569104, 140282147277248, 0, 3, -702194931869734502, -700674462481700454}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#11 0x00007f960382b04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#12 0x0000000000000000 in ?? ()
No symbol table info available.