.
Thread 4 (LWP 1919):
#0  0xb77bb424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6caddcb in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb6f2824b in poll (__timeout=-1, __nfds=1, __fds=0x99700c68) at /usr/include/i386-linux-gnu/bits/poll2.h:46
No locals.
#3  g_poll (fds=0x99700c68, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.35.8/./glib/gpoll.c:132
No locals.
#4  0xb6f19610 in g_main_context_poll (n_fds=1, fds=0x99700c68, timeout=<optimized out>, context=0xb7f386d8, priority=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3995
        poll_func = <optimized out>
#5  g_main_context_iterate (context=context@entry=0xb7f386d8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3696
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x99700c68
        nfds = 1
#6  0xb6f19771 in g_main_context_iteration (context=context@entry=0xb7f386d8, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3762
        retval = <optimized out>
#7  0x9a1d2eb0 in dconf_gdbus_worker_thread (user_data=0xb7f386d8) at dconf-gdbus-thread.c:81
        context = 0xb7f386d8
#8  0xb6f3f143 in g_thread_proxy (data=0xb7ef8660) at /build/buildd/glib2.0-2.35.8/./glib/gthread.c:798
        thread = 0xb7ef8660
#9  0xb6d86d78 in start_thread (arg=0x9a04fb40) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x9a04fb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1227259904, 0, 4001536, -1710951768, -1727805357, 540721674}, 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"
#10 0xb6cbd3de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131
No locals.
.
Thread 3 (LWP 1937):
#0  0xb77bb424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6d8ac33 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:250
No locals.
#2  0xb6f5d540 in g_cond_wait_until (cond=cond@entry=0xb7f38598, mutex=mutex@entry=0xb7f38590, end_time=145688282) at /build/buildd/glib2.0-2.35.8/./glib/gthread-posix.c:859
        ts = {tv_sec = 145, tv_nsec = 688282000}
        status = <optimized out>
#3  0xb6eeb959 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0xb7f38590, wait=wait@entry=1, end_time=145688282) at /build/buildd/glib2.0-2.35.8/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0xb6eec19e in g_async_queue_timeout_pop (queue=0xb7f38590, timeout=15000000) at /build/buildd/glib2.0-2.35.8/./glib/gasyncqueue.c:545
        end_time = <optimized out>
        retval = <optimized out>
#5  0xb6f3fb0f in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.35.8/./glib/gthreadpool.c:169
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#6  g_thread_pool_thread_proxy (data=0xb7f38850) at /build/buildd/glib2.0-2.35.8/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x3a98
        pool = <optimized out>
#7  0xb6f3f143 in g_thread_proxy (data=0xb45037b0) at /build/buildd/glib2.0-2.35.8/./glib/gthread.c:798
        thread = 0xb45037b0
#8  0xb6d86d78 in start_thread (arg=0x996ffb40) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x996ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1227259904, 0, 4001536, -1720716632, 1325647957, 540721674}, 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"
#9  0xb6cbd3de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131
No locals.
.
Thread 2 (LWP 1918):
#0  0xb77bb424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6caddcb in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb6f2824b in poll (__timeout=-1, __nfds=5, __fds=0xb4505bd0) at /usr/include/i386-linux-gnu/bits/poll2.h:46
No locals.
#3  g_poll (fds=0xb4505bd0, nfds=5, timeout=-1) at /build/buildd/glib2.0-2.35.8/./glib/gpoll.c:132
No locals.
#4  0xb6f19610 in g_main_context_poll (n_fds=5, fds=0xb4505bd0, timeout=<optimized out>, context=0xb7d17e08, priority=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3995
        poll_func = <optimized out>
#5  g_main_context_iterate (context=0xb7d17e08, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3696
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0xb4505bd0
        nfds = 5
#6  0xb6f19b6b in g_main_loop_run (loop=0xb7d17dd0) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3895
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0xb710156a in gdbus_shared_thread_func (user_data=0xb7d17df0) at /build/buildd/glib2.0-2.35.8/./gio/gdbusprivate.c:278
        data = 0xb7d17df0
#8  0xb6f3f143 in g_thread_proxy (data=0xb7d14000) at /build/buildd/glib2.0-2.35.8/./glib/gthread.c:798
        thread = 0xb7d14000
#9  0xb6d86d78 in start_thread (arg=0xb4e49b40) at pthread_create.c:311
        __res = <optimized out>
        pd = 0xb4e49b40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1227259904, 0, 4001536, -1260088664, 1506002958, 540721674}, 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"
#10 0xb6cbd3de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131
No locals.
.
Thread 1 (LWP 1916):
#0  0xb77bb424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6bfab1f in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = -1227378688
        selftid = 1916
#2  0xb6bfe0b3 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, sa_mask = {__val = {0, 3067302404, 0, 3078478136, 1698117474, 895759411, 872415232, 895759413, 3217824239, 3078479872, 0, 3078479872, 3217824239, 20, 3067302404, 1, 3067306803, 3, 3217812708, 4, 3067302356, 1, 3067314213, 3, 3217812696, 8, 3067314217, 2, 3067314217, 2, 3, 4096}}, sa_flags = -1077152792, sa_restorer = 0x400}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0xb6c37ab5 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0xb6d3a530 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
        ap = 0x57 <Address 0x57 out of bounds>
        ap_copy = 0x57 <Address 0x57 out of bounds>
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#4  0xb6c427e2 in malloc_printerr (action=<optimized out>, str=<optimized out>, ptr=0xb87cd448) at malloc.c:4902
        buf = "b87cd448"
        cp = <optimized out>
#5  0xb6c43530 in _int_free (av=0xb6d7b440 <main_arena>, p=0xb87cd440, have_lock=0) at malloc.c:3758
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
        __func__ = "_int_free"
#6  0xb6f1f51b in standard_free (mem=0xb87cd448) at /build/buildd/glib2.0-2.35.8/./glib/gmem.c:98
No locals.
#7  0xb6f1f690 in g_free (mem=0xb87cd448) at /build/buildd/glib2.0-2.35.8/./glib/gmem.c:252
No locals.
#8  0xb6f045a9 in g_error_free (error=0xb898ae40) at /build/buildd/glib2.0-2.35.8/./glib/gerror.c:476
No locals.
#9  0xaa462ed7 in printer_add_async_scb (source_object=0xb7d12008, res=0xb7fb3100, user_data=user_data@entry=0xb7f959f0) at pp-new-printer.c:741
        printer = 0xb7f959f0
        priv = 0xb7f95a00
        bus = 0x0
        array_builder = {x = {3067656143, 3070038016, 3083941712, 3070248884, 3085529888, 0, 3070038016, 3069272100, 3070038016, 3070038016, 0, 3070539484, 3083941712, 0, 1, 3083957032}}
        output = <optimized out>
        ppd_item = 0x0
        error = 0xb898ae40
#10 0xb70925c0 in g_simple_async_result_complete (simple=0xb7fb3100) at /build/buildd/glib2.0-2.35.8/./gio/gsimpleasyncresult.c:777
        current_source = <optimized out>
        current_context = <optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#11 0xb70f228c in g_dbus_connection_call_done (source=0xb7d12008, result=0xb82f5a78, user_data=user_data@entry=0xb82eca38) at /build/buildd/glib2.0-2.35.8/./gio/gdbusconnection.c:5333
        simple = 0xb7fb3100
        connection = <optimized out>
        state = 0xb82eca38
        error = 0xb898ae40
        reply = 0xb7d14230
#12 0xb70925c0 in g_simple_async_result_complete (simple=0xb82f5a78) at /build/buildd/glib2.0-2.35.8/./gio/gsimpleasyncresult.c:777
        current_source = <optimized out>
        current_context = <optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#13 0xb70926ec in complete_in_idle_cb (data=data@entry=0xb82f5a78) at /build/buildd/glib2.0-2.35.8/./gio/gsimpleasyncresult.c:789
        simple = <optimized out>
#14 0xb6f15e50 in g_idle_dispatch (source=source@entry=0xb4502308, callback=0xb70926c0 <complete_in_idle_cb>, user_data=0xb82f5a78) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:5205
No locals.
#15 0xb6f192f3 in g_main_dispatch (context=0xb7ced9d8) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3054
        dispatch = 0xb6f15e30 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0xb82f5a78
        callback = 0xb70926c0 <complete_in_idle_cb>
        cb_funcs = 0xb6fd151c <g_source_callback_funcs>
        cb_data = 0xb4504150
        current_source_link = {data = 0xb4502308, next = 0x0}
        need_destroy = <optimized out>
        source = 0xb4502308
        current = 0xb7d05620
        i = <optimized out>
#16 g_main_context_dispatch (context=context@entry=0xb7ced9d8) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3630
No locals.
#17 0xb6f19690 in g_main_context_iterate (context=context@entry=0xb7ced9d8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3701
        max_priority = 0
        timeout = 0
        some_ready = 1
        allocated_nfds = <optimized out>
        fds = <optimized out>
        nfds = 4
#18 0xb6f19771 in g_main_context_iteration (context=0xb7ced9d8, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3762
        retval = <optimized out>
#19 0xb70c7dbc in g_application_run (application=0xb7e95ef0, argc=argc@entry=2, argv=0xbfcbf8c4) at /build/buildd/glib2.0-2.35.8/./gio/gapplication.c:1620
        arguments = 0xb7dd5300
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#20 0xb77e348f in main (argc=2, argv=0xbfcbf8c4) at control-center.c:263
        shell = <optimized out>
        application = 0xb7e95ef0
        status = <optimized out>