.
Thread 3 (Thread 0xb7316b40 (LWP 2765)):
#0  0x00feb416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x010c8380 in __GI___poll (fds=0xb6a00c78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x009e7a8b in g_poll (fds=0xb6a00c78, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.32.0/./glib/gpoll.c:132
No locals.
#3  0x009da06e in g_main_context_poll (n_fds=1, fds=0xb6a00c78, timeout=<optimized out>, context=0x20ce3580, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
        poll_func = 0x9e7a60 <g_poll>
#4  g_main_context_iterate (dispatch=1, block=10386016, context=0x20ce3580, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0xb6a00c78
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#5  g_main_context_iterate (context=0x20ce3580, block=10386016, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = 1
#6  0x009da52b in g_main_loop_run (loop=0xb6a00c68) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0x00ae9134 in dconf_context_thread (data=0x20ce3580) at dconfcontext.c:11
        context = 0x20ce3580
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#8  0x009fd6c3 in g_thread_proxy (data=0x20cdf3b0) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x20cdf3b0
#9  0x00628d4c in start_thread (arg=0xb7316b40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb7316b40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {6529012, 0, 4001536, -1221500184, 814389933, -1756060733}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0x010d6ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 2 (Thread 0xb69ffb40 (LWP 2766)):
#0  0x00feb416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x010c8380 in __GI___poll (fds=0xb6002398, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x009e7a8b in g_poll (fds=0xb6002398, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.32.0/./glib/gpoll.c:132
No locals.
#3  0x009da06e in g_main_context_poll (n_fds=3, fds=0xb6002398, timeout=<optimized out>, context=0xb6a09148, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
        poll_func = 0x9e7a60 <g_poll>
#4  g_main_context_iterate (dispatch=1, block=10386016, context=0xb6a09148, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0xb6002398
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#5  g_main_context_iterate (context=0xb6a09148, block=10386016, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = 3
#6  0x009da52b in g_main_loop_run (loop=0xb6a09120) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0x007f21da in gdbus_shared_thread_func (user_data=0xb6a09130) at /build/buildd/glib2.0-2.32.0/./gio/gdbusprivate.c:277
        data = 0xb6a09130
#8  0x009fd6c3 in g_thread_proxy (data=0xb6a05490) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0xb6a05490
#9  0x00628d4c in start_thread (arg=0xb69ffb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb69ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {6529012, 0, 4001536, -1231031576, 1839897262, -1756060733}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0x010d6ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 1 (Thread 0xb7727840 (LWP 2764)):
#0  0x0e641dbd in cc_background_xml_load_xml_internal (xml=0x210479c0, filename=0x20ec4308 "/usr/share/gnome-background-properties/adwaita.xml", in_thread=0) at cc-background-xml.c:304
        flags = <optimized out>
        item = 0x210b7408
        uri = 0x213d4178 ""
        cname = <optimized out>
        id = 0x2105a0c8 "file:///usr/share/gnome-background-properties/adwaita.xml#Default Background"
        wplist = 0x212ab7e0
        root = <optimized out>
        list = 0x210f63c0
        wpa = 0x0
        nodelang = <optimized out>
        syslangs = 0x20d1f228
        i = <optimized out>
        retval = <optimized out>
#1  0x0e64256e in gnome_wp_file_changed (data=0x210479c0, file=0x20edff40, monitor=<optimized out>, other_file=<optimized out>, event_type=<optimized out>) at cc-background-xml.c:338
        filename = 0x20ec4308 "/usr/share/gnome-background-properties/adwaita.xml"
#2  gnome_wp_file_changed (monitor=0x210480f0, file=0x20edff40, other_file=0x0, event_type=G_FILE_MONITOR_EVENT_CREATED, data=0x210479c0) at cc-background-xml.c:326
No locals.
#3  0x0091035a in ffi_call_SYSV () at ../src/x86/sysv.S:64
No locals.
#4  0x0091008f in ffi_call (cif=0xbfb43bfc, fn=0xe642530 <gnome_wp_file_changed>, rvalue=0xbfb43b70, avalue=0xbfb43b10) at ../src/x86/ffi.c:303
        ecif = {cif = 0xbfb43bfc, rvalue = 0xbfb43b70, avalue = 0xbfb43b10}
#5  0x005e11f0 in g_cclosure_marshal_generic_va (closure=0x21080618, return_value=0x0, instance=0x210480f0, args_list=0xbfb43eac "@\377\355 ", marshal_data=0x0, n_params=3, param_types=0x20e1eee0) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:1547
        rtype = 0x9105e4
        rvalue = 0xbfb43b70
        n_args = 5
        atypes = 0xbfb43b40
        args = 0xbfb43b10
        storage = 0xbfb43ae0
        i = <optimized out>
        cif = {abi = FFI_SYSV, nargs = 5, arg_types = 0xbfb43b40, rtype = 0x9105e4, bytes = 20, flags = 0}
        cc = 0x21080618
        enum_tmpval = <optimized out>
        tmpval_used = 0
        args_copy = 0xbfb43eb8 "\344\264\250"
#6  0x005e0707 in _g_closure_invoke_va (closure=0x21080618, return_value=0x0, instance=0x210480f0, args=0xbfb43eac "@\377\355 ", n_params=3, param_types=0x20e1eee0) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:840
        marshal = 0x5e0e40 <g_cclosure_marshal_generic_va>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x21080608
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#7  0x005f9a09 in g_signal_emit_valist (instance=0x210480f0, signal_id=237, detail=0, var_args=0xbfb43eac "@\377\355 ") at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3207
        return_accu = <optimized out>
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x210480f0, ihint = {signal_id = 237, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 550379192}
        signal_id = <optimized out>
        instance_type = 550379192
        emission_return = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        rtype = 4
        static_scope = 0
        closure = <optimized out>
        run_type = <optimized out>
        hlist = 0x0
        l = <optimized out>
        fastpath = 4
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x20e16710
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#8  0x005fa433 in g_signal_emit (instance=0x210480f0, signal_id=237, detail=0) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3352
        var_args = 0xbfb43eac "@\377\355 "
#9  0x0076c0ed in emit_cb (data=0x210480f0) at /build/buildd/glib2.0-2.32.0/./gio/gfilemonitor.c:390
        change = 0x20faf930
        monitor = 0x210480f0
        pending = 0x21380510
        iter = <optimized out>
#10 0x009d7740 in g_idle_dispatch (source=0x21069020, callback=0x76c060 <emit_cb>, user_data=0x210480f0) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:4634
No locals.
#11 0x009d9cda in g_main_dispatch (context=0x20cdfc20) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:2515
        dispatch = 0x9d7720 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x210480f0
        callback = 0x76c060 <emit_cb>
        cb_funcs = 0xa8b4d8
        cb_data = 0x212b3f40
        current_source_link = {data = 0x21069020, next = 0x0}
        need_destroy = <optimized out>
        source = 0x21069020
        current = 0x20e7e8b8
        i = <optimized out>
#12 g_main_context_dispatch (context=0x20cdfc20) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3052
No locals.
#13 0x009da0e5 in g_main_context_iterate (dispatch=1, block=10386016, context=0x20cdfc20, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3123
        timeout = 0
        some_ready = 1
        fds = 0x210eeb10
        max_priority = 0
        nfds = <optimized out>
        allocated_nfds = <optimized out>
#14 g_main_context_iterate (context=0x20cdfc20, block=10386016, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = 1
#15 0x009da1c1 in g_main_context_iteration (context=0x20cdfc20, may_block=1) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3184
        retval = <optimized out>
#16 0x007ba764 in g_application_run (application=0x20e099f0, argc=1, argv=0xbfb44134) at /build/buildd/glib2.0-2.32.0/./gio/gapplication.c:1496
        arguments = 0x20e7ab78
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#17 0x00c3d86f in main (argc=1, argv=0xbfb44134) at control-center.c:207
        shell = <optimized out>
        application = 0x20e099f0
        status = <optimized out>