.
Thread 3 (Thread 0x7fa2112cf700 (LWP 5377)):
#0  0x00007fa2148dcdc3 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  0x00007fa215a89f26 in g_main_context_poll (n_fds=3, fds=0x7fa20c0010c0, timeout=-1, context=0x6f61f0, priority=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3412
        poll_func = 0x7fa215a96e80 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x6f61f0, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fa20c0010c0
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x6f61f0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = 201330880
#4  0x00007fa215a8a38a in g_main_loop_run (loop=0x6f61a0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fa21626ae46 in gdbus_shared_thread_func (user_data=0x6f61c0) at /build/buildd/glib2.0-2.31.16/./gio/gdbusprivate.c:276
        data = 0x6f61c0
#6  0x00007fa215aab5c5 in g_thread_proxy (data=0x6f1a80) at /build/buildd/glib2.0-2.31.16/./glib/gthread.c:801
        thread = 0x6f1a80
#7  0x00007fa214bbae9a in start_thread (arg=0x7fa2112cf700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fa2112cf700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2611476351720025000, 140733985645904, 140334049589696, 0, 3, -2631806708858819672, -2631797008568226904}, 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  0x00007fa2148e877d 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 0x7fa20afc2700 (LWP 5382)):
#0  0x00007fa2148dcdc3 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  0x00007fa215a89f26 in g_main_context_poll (n_fds=1, fds=0x7fa2040010e0, timeout=-1, context=0x705c10, priority=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3412
        poll_func = 0x7fa215a96e80 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x705c10, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fa2040010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x705c10, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = 67113184
#4  0x00007fa215a8a38a in g_main_loop_run (loop=0x7fa2040010c0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fa2100ca75b in dconf_context_thread (data=0x705c10) at dconfcontext.c:11
        context = 0x705c10
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007fa215aab5c5 in g_thread_proxy (data=0x6fc320) at /build/buildd/glib2.0-2.31.16/./glib/gthread.c:801
        thread = 0x6fc320
#7  0x00007fa214bbae9a in start_thread (arg=0x7fa20afc2700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fa20afc2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2611476351720025000, 140733985644992, 140333945727424, 0, 3, -2631854667000517720, -2631797008568226904}, 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  0x00007fa2148e877d 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 0x7fa216feb840 (LWP 5375)):
#0  dee_sequence_model_free_row (self=<optimized out>, iter=0x915500) at dee-sequence-model.c:981
        priv = 0x8d6280
        row = 0x0
        n_cols = 7
        i = <optimized out>
        tag_iter = <optimized out>
        row_tag_iter = <optimized out>
        dum = <optimized out>
        destroy = <optimized out>
#1  0x00007fa21675c1f2 in dee_sequence_model_remove (self=0x8d6230, iter_=0x915500) at dee-sequence-model.c:482
        __PRETTY_FUNCTION__ = "dee_sequence_model_remove"
#2  0x00007fa2169a2182 in unity_results_synchronizer_on_row_removed (iter=0x7fa20c004b00, provider=0x701020, self=0x8e2680) at unity-lens-tools.c:1228
        _tmp9_ = <optimized out>
        _tmp11_ = <optimized out>
        _tmp8_ = <optimized out>
        _tmp10_ = <optimized out>
        _tmp12_ = <optimized out>
        _tmp1_ = 0x701020
        _tmp4_ = 0x701020
        riter = <optimized out>
        _tmp7_ = <optimized out>
        _tmp2_ = 0x1
        tag = 0x1
        _tmp5_ = 0x7fa20c004b00
        _tmp0_ = <optimized out>
        _tmp6_ = <optimized out>
        _tmp3_ = 0x1
#3  _unity_results_synchronizer_on_row_removed_dee_model_row_removed (_sender=<optimized out>, iter=0x7fa20c004b00, self=0x8e2680) at unity-lens-tools.c:963
No locals.
#4  0x00007fa215f5a384 in g_closure_invoke (closure=0x8efc10, return_value=0x0, n_param_values=2, param_values=0x7fa20c015d90, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.16/./gobject/gclosure.c:774
        marshal = 0x7fa215f5c3b0 <g_cclosure_marshal_VOID__BOXED>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#5  0x00007fa215f6a635 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x7fa20c015d90) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3302
        tmp = <optimized out>
        handler = 0x8ef0c0
        accumulator = 0x0
        emission = {next = 0x7fff2f38e270, instance = 0x701020, ihint = {signal_id = 24, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x8cadc0
        hlist = 0x8e93e8
        handler_list = 0x8ef0c0
        return_accu = 0x0
        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}}}
        signal_id = 24
        max_sequential_handler_number = 204
        return_value_altered = 0
#6  0x00007fa215f7200b in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff2f38e018) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3033
        instance_and_params = 0x7fa20c015d90
        signal_return_type = 4
        param_values = 0x7fa20c015da8
        node = 0x8cd670
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#7  0x00007fa215f721d2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff2f38e0f0, reg_save_area = 0x7fff2f38e030}}
#8  0x00007fa21675c1e7 in dee_sequence_model_remove (self=0x701020, iter_=0x7fa20c004b00) at dee-sequence-model.c:481
        __PRETTY_FUNCTION__ = "dee_sequence_model_remove"
#9  0x00007fa21675e34b in dee_serializable_model_clear (self=0x701020) at dee-serializable-model.c:467
        iter = 0x7fa20c004b00
#10 0x000000000040c915 in unity_applications_lens_daemon_update_global_search_co (_data_=0x936150) at daemon.c:1598
No locals.
#11 unity_applications_lens_daemon_update_global_search_co (_data_=0x936150) at daemon.c:1563
No locals.
#12 0x00007fa215f5a384 in g_closure_invoke (closure=0x8ccf70, return_value=0x0, n_param_values=4, param_values=0x8e45e0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.16/./gobject/gclosure.c:774
        marshal = 0x7fa2169a4650 <g_cclosure_user_marshal_VOID__OBJECT_ENUM_OBJECT>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#13 0x00007fa215f6a635 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x8e45e0) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3302
        tmp = <optimized out>
        handler = 0x82c070
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x700dd0, ihint = {signal_id = 19, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x0
        hlist = 0x8cf3d8
        handler_list = 0x82c070
        return_accu = 0x0
        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}}}
        signal_id = 19
        max_sequential_handler_number = 204
        return_value_altered = 0
#14 0x00007fa215f7200b in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff2f38e498) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3033
        instance_and_params = 0x8e45e0
        signal_return_type = 4
        param_values = 0x8e45f8
        node = 0x81f3f0
        i = <optimized out>
        n_params = 3
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#15 0x00007fa215f726e4 in g_signal_emit_by_name (instance=0x700dd0, detailed_signal=<optimized out>) at /build/buildd/glib2.0-2.31.16/./gobject/gsignal.c:3127
        var_args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff2f38e5f0, reg_save_area = 0x7fff2f38e500}}
        detail = <optimized out>
        signal_id = 19
        __PRETTY_FUNCTION__ = "g_signal_emit_by_name"
#16 0x00007fa2169ac15e in unity_scope_impl_schedule_search_changed_co (_data_=0x8e1920) at unity-scope-private.c:1772
        __PRETTY_FUNCTION__ = "unity_scope_impl_schedule_search_changed_co"
#17 0x00007fa215a89bca in g_main_dispatch (context=0x6eda00) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:2510
        dispatch = 0x7fa215a87820 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x8e1920
        callback = 0x7fa2169acd40 <_unity_scope_impl_schedule_search_changed_co_gsource_func>
        cb_funcs = 0x7fa215d339a0
        cb_data = 0x913070
        current_source_link = {data = 0x947330, next = 0x0}
        need_destroy = <optimized out>
        source = 0x947330
        current = 0x6f5400
        i = <optimized out>
#18 g_main_context_dispatch (context=0x6eda00) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3047
No locals.
#19 0x00007fa215a89f90 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x6eda00, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3118
        timeout = 0
        some_ready = 1
        fds = <optimized out>
        max_priority = 200
        nfds = 3
        allocated_nfds = <optimized out>
#20 g_main_context_iterate (context=0x6eda00, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = 1
#21 0x00007fa215a8a054 in g_main_context_iteration (context=0x6eda00, may_block=1) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3179
        retval = <optimized out>
#22 0x00007fa2162376a4 in g_application_run (application=0x8d6310, argc=<optimized out>, argv=0x0) at /build/buildd/glib2.0-2.31.16/./gio/gapplication.c:1496
        arguments = 0x8f6c60
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#23 0x000000000040ea70 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
#24 0x00007fa21481976d in __libc_start_main (main=0x408150 <main>, argc=1, ubp_av=0x7fff2f38e858, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2f38e848) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2611476351720025000, 4227440, 140733985646672, 0, 0, -2611087683214447704, -2631796645938140248}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x416350, 0x7fff2f38e858}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4285264}}}
        not_first_call = <optimized out>
#25 0x0000000000408199 in _start ()
No symbol table info available.