.
Thread 4 (LWP 17998):
#0  0x00007faf17b553dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007faf1b6f85c4 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x7faef80008c0, timeout=-1, context=0x37b9480) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:4006
        poll_func = 0x7faf1b707220 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x37b9480, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7faef80008c0
#3  0x00007faf1b6f86cc in g_main_context_iteration (context=0x37b9480, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3773
        retval = <optimized out>
#4  0x00007faf1b6f8719 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:5472
No locals.
#5  0x00007faf1b71d275 in g_thread_proxy (data=0x37bcca0) at /build/buildd/glib2.0-2.37.6/./glib/gthread.c:798
        thread = 0x37bcca0
#6  0x00007faf17e36f6e in start_thread (arg=0x7faefffff700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7faefffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140389596002048, -3763933006869262125, 0, 140390118981728, 140734857920064, 4096, 3791517553915891923, 3791464747436511443}, 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"
#7  0x00007faf17b61e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 3 (LWP 17997):
#0  0x00007faf17b553dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007faf1b6f85c4 in g_main_context_poll (priority=2147483647, n_fds=3, fds=0x7faf000010c0, timeout=-1, context=0x7faf0800b830) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:4006
        poll_func = 0x7faf1b707220 <g_poll>
#2  g_main_context_iterate (context=0x7faf0800b830, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = 3
        fds = 0x7faf000010c0
#3  0x00007faf1b6f8a2a in g_main_loop_run (loop=0x7faf0800b620) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3906
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007faf169fd956 in gdbus_shared_thread_func (user_data=0x7faf0800b800) at /build/buildd/glib2.0-2.37.6/./gio/gdbusprivate.c:278
        data = 0x7faf0800b800
#5  0x00007faf1b71d275 in g_thread_proxy (data=0x7faf0800e050) at /build/buildd/glib2.0-2.37.6/./glib/gthread.c:798
        thread = 0x7faf0800e050
#6  0x00007faf17e36f6e in start_thread (arg=0x7faf0d279700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7faf0d279700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140389816702720, -3763933006869262125, 0, 140390118981728, 140389825091680, 4096, 3791406983204081875, 3791464747436511443}, 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"
#7  0x00007faf17b61e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 17996):
#0  0x00007faf17b553dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007faf1b6f85c4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7faf080010e0, timeout=-1, context=0x1d8eef0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:4006
        poll_func = 0x7faf1b707220 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1d8eef0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7faf080010e0
#3  0x00007faf1b6f86cc in g_main_context_iteration (context=0x1d8eef0, may_block=1) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3773
        retval = <optimized out>
#4  0x00007faf0e31ba9d in ?? () from /tmp/apport_sandbox_sOSYhl/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#5  0x00007faf1b71d275 in g_thread_proxy (data=0x1d46630) at /build/buildd/glib2.0-2.37.6/./glib/gthread.c:798
        thread = 0x1d46630
#6  0x00007faf17e36f6e in start_thread (arg=0x7faf0da7a700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7faf0da7a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140389825095424, -3763933006869262125, 0, 140390118981728, 140734857919696, 4096, 3791408083252580563, 3791464747436511443}, 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"
#7  0x00007faf17b61e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 17993):
#0  0x00007faf1d16fb8d in IA__gtk_widget_set_sensitive (widget=0x7a2d450, sensitive=0) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkwidget.c:6320
        __inst = 0x7a2d450
        __t = 30002784
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
        data = {state = 46838752, state_restoration = 0, parent_sensitive = 0, use_forall = 0}
        __PRETTY_FUNCTION__ = "IA__gtk_widget_set_sensitive"
#1  0x000000000097b757 in Inkscape::UI::Dialogs::colorItemHandleButtonPress (widget=0x359ba20, event=0x5ed8420, user_data=0x2cab3e0) at ui/dialog/swatches.cpp:304
        it = {_M_current = 0x7884030}
        show = false
        swp = 0x2c93000
        item = 0x2cab3e0
        handled = 0
#2  0x00007faf1d058645 in _gtk_marshal_BOOLEAN__BOXED (closure=0x359f4b0, return_value=0x7fff6336c1f0, n_param_values=<optimized out>, param_values=0x7fff6336c2a0, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmarshalers.c:86
        callback = <optimized out>
        cc = <optimized out>
        data1 = 0x359ba20
        data2 = <optimized out>
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#3  0x00007faf1b9c12e8 in g_closure_invoke (closure=0x359f4b0, return_value=0x7fff6336c1f0, n_param_values=2, param_values=0x7fff6336c2a0, invocation_hint=0x7fff6336c240) at /build/buildd/glib2.0-2.37.6/./gobject/gclosure.c:777
        marshal = 0x7faf1d0585d0 <_gtk_marshal_BOOLEAN__BOXED>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x359f490
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#4  0x00007faf1b9d375d in signal_emit_unlocked_R (node=node@entry=0x1d6ba80, detail=detail@entry=0, instance=instance@entry=0x359ba20, emission_return=emission_return@entry=0x7fff6336c370, instance_and_params=instance_and_params@entry=0x7fff6336c2a0) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3582
        tmp = <optimized out>
        handler = 0x359eaf0
        accumulator = 0x1d6b940
        emission = {next = 0x0, instance = 0x359ba20, ihint = {signal_id = 33, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x359eaf0
        return_accu = 0x7fff6336c1f0
        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}}}
        signal_id = 33
        max_sequential_handler_number = 56843
        return_value_altered = 0
#5  0x00007faf1b9daf27 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff6336c438) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3336
        return_value = {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}}}
        error = 0x0
        rtype = 20
        static_scope = 0
        instance_and_params = 0x7fff6336c2a0
        signal_return_type = <optimized out>
        param_values = 0x7fff6336c2b8
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
        __FUNCTION__ = "g_signal_emit_valist"
#6  0x00007faf1b9dbc22 in g_signal_emit (instance=instance@entry=0x359ba20, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3382
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff6336c510, reg_save_area = 0x7fff6336c450}}
#7  0x00007faf1d1685f4 in gtk_widget_event_internal (widget=widget@entry=0x359ba20, event=event@entry=0x5ed8420) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkwidget.c:5010
        signal_num = <optimized out>
        return_val = 0
#8  0x00007faf1d1688c9 in IA__gtk_widget_event (widget=widget@entry=0x359ba20, event=event@entry=0x5ed8420) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkwidget.c:4807
        __PRETTY_FUNCTION__ = "IA__gtk_widget_event"
#9  0x00007faf1d056df4 in IA__gtk_propagate_event (widget=0x359ba20, event=0x5ed8420) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmain.c:2509
        tmp = <optimized out>
        handled_event = <optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_propagate_event"
#10 0x00007faf1d0571ab in IA__gtk_main_do_event (event=0x5ed8420) at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmain.c:1699
        event_widget = <optimized out>
        grab_widget = 0x359ba20
        window_group = <optimized out>
        rewritten_event = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_main_do_event"
#11 0x00007faf1ccd227c in gdk_event_dispatch (source=source@entry=0x1d3a7c0, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+2.0-2.24.20/gdk/x11/gdkevents-x11.c:2403
        display = <optimized out>
        event = 0x5ed8420
#12 0x00007faf1b6f82d6 in g_main_dispatch (context=0x1d3a8b0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3065
        dispatch = 0x7faf1ccd2230 <gdk_event_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = 0x0
        cb_data = 0x0
        need_destroy = <optimized out>
        current_source_link = {data = 0x1d3a7c0, next = 0x0}
        source = 0x1d3a7c0
        current = 0x1e52520
        i = 0
#13 g_main_context_dispatch (context=context@entry=0x1d3a8b0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3641
No locals.
#14 0x00007faf1b6f8628 in g_main_context_iterate (context=0x1d3a8b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3712
        max_priority = 2147483647
        timeout = 33
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 2
        fds = 0x3808d90
#15 0x00007faf1b6f8a2a in g_main_loop_run (loop=0x2c41070) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3906
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#16 0x00007faf1d056277 in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.20/gtk/gtkmain.c:1271
        tmp_list = 0x0
        functions = 0x0
        init = <optimized out>
        loop = 0x2c41070
#17 0x000000000062b3ac in sp_main_gui (argc=1, argv=0x7fff6336c9e8) at main.cpp:978
        main_instance = <incomplete type>
        fl = 0x0
        retVal = <optimized out>
        __PRETTY_FUNCTION__ = "int sp_main_gui(int, const char**)"
        dataDirs = {<std::_Vector_base<Glib::ustring, std::allocator<Glib::ustring> >> = {_M_impl = {<std::allocator<Glib::ustring>> = {<__gnu_cxx::new_allocator<Glib::ustring>> = {<No data fields>}, <No data fields>}, _M_start = 0x1dca440, _M_finish = 0x1dca468, _M_end_of_storage = 0x1dca480}}, <No data fields>}
        usericondir = <optimized out>
        create_new = <optimized out>
#18 0x000000000060edcf in main (argc=1, argv=0x7fff6336c9e8) at main.cpp:714
        inkscape_localedir = <optimized out>
        use_gui = 1
        app = {_vptr.Application = 0xc852f0 <vtable for Inkscape::NSApplication::Application+16>, _argc = 1, _argv = 0x7fff6336c9e8, _app_impl = 0x0, _path_home = 0x0}