.
Thread 3 (Thread 0x7f46e5914700 (LWP 4277)):
#0  0x00007f46e9341b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f46ea4f5ff6 in g_main_context_poll (n_fds=3, fds=0x7f46e00010c0, timeout=-1, context=0x9e9300, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
        poll_func = 0x7f46ea502f10 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x9e9300, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f46e00010c0
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x9e9300, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = -536866624
#4  0x00007f46ea4f645a in g_main_loop_run (loop=0x9e92b0) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f46eacd12a6 in gdbus_shared_thread_func (user_data=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gio/gdbusprivate.c:277
        data = 0x9e92d0
#6  0x00007f46ea5179b5 in g_thread_proxy (data=0x9e4e80) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x9e4e80
#7  0x00007f46e961fe9a in start_thread (arg=0x7f46e5914700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f46e5914700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2521383720184916222, 140734140567856, 139942475942336, 0, 3, 2562537192799655682, 2562526328656811778}, 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"
#8  0x00007f46e934d4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f46df5bb700 (LWP 4280)):
#0  0x00007f46e9341b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f46ea4f5ff6 in g_main_context_poll (n_fds=1, fds=0x7f46d80010e0, timeout=-1, context=0x9faac0, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
        poll_func = 0x7f46ea502f10 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x9faac0, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f46d80010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x9faac0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = -671084320
#4  0x00007f46ea4f645a in g_main_loop_run (loop=0x7f46d80010c0) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f46dfdfc98b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x9faac0
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007f46ea5179b5 in g_thread_proxy (data=0x9f2a30) at /build/buildd/glib2.0-2.32.0/./glib/gthread.c:801
        thread = 0x9f2a30
#7  0x00007f46e961fe9a in start_thread (arg=0x7f46df5bb700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f46df5bb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2521383720184916222, 140734140566928, 139942371768768, 0, 3, 2562407909452207874, 2562526328656811778}, 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"
#8  0x00007f46e934d4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f46eba5a840 (LWP 4270)):
#0  0x00007f46dfdfae8c in dconf_engine_refresh_user (i=0, engine=0x9f29e0) at ../engine/dconf-engine.c:148
No locals.
#1  dconf_engine_refresh (engine=0x9f29e0) at ../engine/dconf-engine.c:204
        i = <optimized out>
#2  0x00007f46dfdfb2e7 in dconf_engine_read_internal (engine=0x9f29e0, key=0xc1c250 "/desktop/unity/launcher/favorites", user=1, system=1) at ../engine/dconf-engine.c:427
        value = 0x0
        lowest = <optimized out>
        limit = <optimized out>
        i = <optimized out>
#3  0x00007f46dfdfd6ec in dconf_settings_backend_read (key=0xc1c250 "/desktop/unity/launcher/favorites", backend=0x9fb000, expected_type=<optimized out>, default_value=<optimized out>) at dconfsettingsbackend.c:453
No locals.
#4  dconf_settings_backend_read (backend=0x9fb000, key=0xc1c250 "/desktop/unity/launcher/favorites", expected_type=<optimized out>, default_value=<optimized out>) at dconfsettingsbackend.c:439
        dcsb = 0x9fb000
#5  0x00007f46eacad462 in g_settings_backend_read (backend=<optimized out>, key=<optimized out>, expected_type=0x7f46e00097e0, default_value=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gio/gsettingsbackend.c:733
        value = <optimized out>
#6  0x00007f46eacafe88 in g_settings_read_from_backend (settings=0x9f7000, key=0x7fff3874c6a0) at /build/buildd/glib2.0-2.32.0/./gio/gsettings.c:1020
        value = <optimized out>
        fixup = <optimized out>
        path = 0xc1c250 "/desktop/unity/launcher/favorites"
#7  0x00007f46eacb16f3 in g_settings_get_value (settings=0x9f7000, key=0x7f46eb428217 "favorites") at /build/buildd/glib2.0-2.32.0/./gio/gsettings.c:1060
        skey = {schema = 0x9da8c0, name = 0x9ec469 "favorites", is_flags = 0, is_enum = 0, strinfo = 0x0, strinfo_length = 0, unparsed = 0x0, lc_char = 0 '\000', type = 0x7f46e00097e0, minimum = 0x0, maximum = 0x0, default_value = 0x7f46e0013040}
        value = <optimized out>
        __PRETTY_FUNCTION__ = "g_settings_get_value"
#8  0x00007f46eacb2443 in g_settings_get_strv (settings=<optimized out>, key=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gio/gsettings.c:1821
        value = <optimized out>
        result = <optimized out>
#9  0x00007f46eb3f49ca in unity_launcher_favorites_reset_fav_cache (self=0x9da900) at unity-launcher.c:1619
        _tmp0_ = <optimized out>
        _tmp1_ = <optimized out>
        _tmp2_ = <optimized out>
        _tmp3_ = 0x0
        _tmp4_ = <optimized out>
        _tmp4__length1 = <optimized out>
        __PRETTY_FUNCTION__ = "unity_launcher_favorites_reset_fav_cache"
#10 0x00007f46ea9cbc10 in g_cclosure_marshal_VOID__STRINGv (closure=0xc1c4b0, return_value=<optimized out>, instance=0x9f7000, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x9f2dd0) at /build/buildd/glib2.0-2.32.0/./gobject/gmarshal.c:1004
        cc = 0xc1c4b0
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x9ec469
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff3874cb60, reg_save_area = 0x7fff3874caa0}}
#11 0x00007f46ea9c8eaa in _g_closure_invoke_va (closure=0xc1c4b0, return_value=0x0, instance=0x9f7000, args=0x7fff3874ca88, n_params=1, param_types=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:840
        marshal = 0x7f46ea9cbb00 <g_cclosure_marshal_VOID__STRINGv>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0xc1c490
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#12 0x00007f46ea9e1721 in g_signal_emit_valist (instance=0x9f7000, signal_id=<optimized out>, detail=511, var_args=<optimized out>) 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 = 0x7fff3874cfe0, instance = 0x9f7000, ihint = {signal_id = 9, detail = 511, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 10429328}
        signal_id = <optimized out>
        instance_type = <optimized out>
        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 = 0xc1c4b0
        run_type = <optimized out>
        hlist = 0x0
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x9f2df0
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#13 0x00007f46ea9e2222 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff3874cb60, reg_save_area = 0x7fff3874caa0}}
#14 0x00007f46eacb03e1 in g_settings_real_change_event (settings=0x9f7000, keys=<optimized out>, n_keys=1) at /build/buildd/glib2.0-2.32.0/./gio/gsettings.c:274
        i = <optimized out>
#15 0x00007f46e7eb5a14 in ffi_call_unix64 () at ../src/x86/unix64.S:75
No locals.
#16 0x00007f46e7eb5435 in ffi_call (cif=0x7fff3874cda0, fn=0x7f46eacb0390 <g_settings_real_change_event>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:486
        classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 10432224, X86_64_NO_CLASS}
        stack = 0x7fff3874caf0 "\300\321t8\377\177"
        argp = 0x7fff3874cba0 "\n"
        arg_types = <optimized out>
        gprcount = 4
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = 0x7fff3874caf0
#17 0x00007f46ea9c9af6 in g_cclosure_marshal_generic_va (closure=0x9f0620, return_value=0x7fff3874d030, instance=0x9f7000, args_list=<optimized out>, marshal_data=0x7f46eacb0390, n_params=2, param_types=0x9f2ee0) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:1547
        rtype = 0x7f46e7eb5d80
        rvalue = 0x7fff3874cd10
        n_args = 4
        atypes = 0x7fff3874cce0
        args = 0x7fff3874ccb0
        storage = 0x7fff3874cc90
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 4, arg_types = 0x7fff3874cce0, rtype = 0x7f46e7eb5d80, bytes = 0, flags = 10}
        cc = 0x9f0620
        enum_tmpval = <optimized out>
        tmpval_used = 0
        args_copy = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff3874d1b0, reg_save_area = 0x7fff3874d0f0}}
#18 0x00007f46ea9c8eaa in _g_closure_invoke_va (closure=0x9f0620, return_value=0x7fff3874d030, instance=0x9f7000, args=0x7fff3874d0d8, n_params=2, param_types=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:840
        marshal = 0x7f46ea9c72d0 <g_type_class_meta_marshalv>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x9f0600
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#19 0x00007f46ea9e1721 in g_signal_emit_valist (instance=0x9f7000, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3207
        return_accu = <optimized out>
        accu = {g_type = 20, 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 = 0x9f2f70
        emission = {next = 0x0, instance = 0x9f7000, ihint = {signal_id = 10, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 10429328}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {g_type = 20, 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 = 20
        static_scope = 0
        closure = 0x9f0620
        run_type = <optimized out>
        hlist = 0x0
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x9f2f00
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#20 0x00007f46ea9e2222 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff3874d1b0, reg_save_area = 0x7fff3874d0f0}}
#21 0x00007f46eacb06fe in settings_backend_changed (target=0x9f7000, backend=<optimized out>, key=<optimized out>, origin_tag=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gio/gsettings.c:328
        quark = 511
        settings = 0x9f7000
        ignore_this = -363652807
        i = <optimized out>
#22 0x00007f46eacaca7a in g_settings_backend_invoke_closure (user_data=0x7f46e0006e80) at /build/buildd/glib2.0-2.32.0/./gio/gsettingsbackend.c:271
        closure = 0x7f46e0006e80
#23 0x00007f46ea4f5c9a in g_main_dispatch (context=0x9e0480) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:2515
        dispatch = 0x7f46ea4f38f0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x7f46e0006e80
        callback = 0x7f46eacaca60 <g_settings_backend_invoke_closure>
        cb_funcs = 0x7f46ea7a19a0
        cb_data = 0x7f46d80046d0
        current_source_link = {data = 0x7f46d8002e60, next = 0x0}
        need_destroy = <optimized out>
        source = 0x7f46d8002e60
        current = 0x9e8600
        i = <optimized out>
#24 g_main_context_dispatch (context=0x9e0480) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3052
No locals.
#25 0x00007f46ea4f6060 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x9e0480, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3123
        timeout = 3996
        some_ready = 1
        fds = <optimized out>
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#26 g_main_context_iterate (context=0x9e0480, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = 1
#27 0x00007f46ea4f6124 in g_main_context_iteration (context=0x9e0480, may_block=1) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3184
        retval = <optimized out>
#28 0x00007f46eac9fb74 in g_application_run (application=0xccb160, argc=<optimized out>, argv=0x0) at /build/buildd/glib2.0-2.32.0/./gio/gapplication.c:1496
        arguments = 0xcda5f0
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#29 0x00000000004100e0 in unity_applications_lens_main (args=<optimized out>, args_length1=<optimized out>) at main.c:210
        result = 0
        _tmp0_ = <optimized out>
        _tmp1_ = <optimized out>
        _tmp2_ = <optimized out>
        _tmp6_ = <optimized out>
        _tmp7_ = <optimized out>
        _tmp8_ = <optimized out>
        _tmp9_ = <optimized out>
        _tmp10_ = 0
        _inner_error_ = 0x0
#30 0x00007f46e927c76d in __libc_start_main (main=0x408770 <main>, argc=1, ubp_av=0x7fff3874d438, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff3874d428) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2521383720184916222, 4229008, 140734140568624, 0, 0, 2520975877222487810, 2562526824969852674}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x417c90, 0x7fff3874d438}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4291728}}}
        not_first_call = <optimized out>
#31 0x00000000004087b9 in _start ()
No symbol table info available.