.
Thread 2 (Thread 4342):
#0  0x00a27832 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
No symbol table info available.
#1  0x00b9cd96 in __poll (fds=0x8f3e8a0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <value optimized out>
        oldtype = -516
        result = <value optimized out>
#2  0x00f448cb in g_poll (fds=0x8f3e8a0, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.28.1/./glib/gpoll.c:132
No locals.
#3  0x00f3430f in g_main_context_poll (context=0x8f39218, block=16009376, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3404
        poll_func = 0xf448a0 <g_poll>
#4  g_main_context_iterate (context=0x8f39218, block=16009376, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x8f3e8a0
#5  0x00f34a93 in g_main_loop_run (loop=0x8f26288) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x00d092d4 in gdbus_shared_thread_func (data=0x0) at /build/buildd/glib2.0-2.28.1/./gio/gdbusprivate.c:276
No locals.
#7  0x00f5d38f in g_thread_create_proxy (data=0x8f392a8) at /build/buildd/glib2.0-2.28.1/./glib/gthread.c:1897
        thread = 0x8f392a8
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x00115e99 in start_thread (arg=0xb5efdb70) at pthread_create.c:304
        pd = 0xb5efdb70
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1208308, 0, 4001536, -1242574072, -1231332583, 1266927730}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00bab5fe in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (Thread 4338):
#0  g_variant_is_trusted (value=0x0) at /build/buildd/glib2.0-2.28.1/./glib/gvariant-core.c:600
No locals.
#1  0x00f70830 in g_variant_builder_add_value (builder=0xbf80c770, value=0x0) at /build/buildd/glib2.0-2.28.1/./glib/gvariant.c:3081
        __PRETTY_FUNCTION__ = "g_variant_builder_add_value"
#2  0x00f721da in g_variant_valist_new (str=0xbf80c800, app=0xbf80c81c) at /build/buildd/glib2.0-2.28.1/./glib/gvariant.c:4093
        b = {x = {0, 150261320, 0, 0, 0, 4294967295, 150259720, 8, 7, 2, 1033660112, 0, 0, 0, 0, 0}}
        __PRETTY_FUNCTION__ = "g_variant_valist_new"
#3  0x00f72448 in g_variant_new_va (format_string=0x804e636 ")", endptr=0x0, app=0xbf80c81c) at /build/buildd/glib2.0-2.28.1/./glib/gvariant.c:4248
        value = <value optimized out>
        __PRETTY_FUNCTION__ = "g_variant_new_va"
#4  0x00f727b2 in g_variant_builder_add (builder=0xbf80c868, format_string=0x804e62d "(sisossss)") at /build/buildd/glib2.0-2.28.1/./glib/gvariant.c:4390
        variant = <value optimized out>
        ap = 0xbf80c858 "\230Ȁ\277J'", <incomplete sequence \362>
#5  0x0804c2f8 in ?? ()
No symbol table info available.
#6  0x00cf9582 in call_in_idle_cb (user_data=0x8f46f20) at /build/buildd/glib2.0-2.28.1/./gio/gdbusconnection.c:4427
        invocation = 0x8f46f20
        vtable = <value optimized out>
        registration_id = 134529296
        __PRETTY_FUNCTION__ = "call_in_idle_cb"
#7  0x00f2f451 in g_idle_dispatch (source=0x8f47250, callback=0xcf9470 <call_in_idle_cb>, user_data=0x8f46f20) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:4537
No locals.
#8  0x00f33c08 in g_main_dispatch (context=0x8f3e708) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:2440
        dispatch = 0xf2f430 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x8f46f20
        callback = 0xcf9470 <call_in_idle_cb>
        cb_funcs = 0xfc933c
        cb_data = 0x8f4af10
        current_source_link = {data = 0x8f47250, next = 0x0}
        need_destroy = <value optimized out>
        source = 0x8f47250
        current = 0x8f25730
        i = <value optimized out>
#9  g_main_context_dispatch (context=0x8f3e708) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3013
No locals.
#10 0x00f343d0 in g_main_context_iterate (context=0x8f3e708, block=16009376, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3091
        max_priority = 2147483647
        timeout = -1
        some_ready = 1
        nfds = <value optimized out>
        allocated_nfds = <value optimized out>
        fds = 0x8f3f6c8
#11 0x00f34a93 in g_main_loop_run (loop=0x8f3f5a8) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#12 0x0804a0e7 in ?? ()
No symbol table info available.
#13 0x00af1e36 in __libc_start_main (main=0x804a050, argc=1, ubp_av=0xbf80cb64, init=0x804db10, fini=0x804db70, rtld_fini=0xa35a90 <_dl_fini>, stack_end=0xbf80cb5c) at libc-start.c:226
        result = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {12808180, 0, 0, -1082078408, 1756011277, 923069555}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x1, 0x8049f50}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}}
        not_first_call = <value optimized out>
#14 0x08049f71 in ?? ()
No symbol table info available.