.
Thread 3 (Thread 0x7f4ae7f0d700 (LWP 14663)):
#0  0x00007f4af26613cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f4af61d31dc in g_main_context_poll (n_fds=1, fds=0x7f4ae00010e0, timeout=-1, context=0x19187e0, priority=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3995
        poll_func = 0x7f4af61e1560 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x19187e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3696
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x7f4ae00010e0
        nfds = 1
#3  0x00007f4af61d3304 in g_main_context_iteration (context=0x19187e0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
        retval = <optimized out>
#4  0x00007f4ae7f14a1d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#5  0x00007f4af61f6eb5 in g_thread_proxy (data=0x1912630) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
        thread = 0x1912630
#6  0x00007f4af2943f8e in start_thread (arg=0x7f4ae7f0d700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f4ae7f0d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139959695628032, -9079377690538178883, 0, 139959996121184, 140736022684416, 4096, 9181254117635229373, 9181281839119304381}, 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  0x00007f4af266de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (Thread 0x7f4ae770c700 (LWP 14664)):
#0  0x00007f4af26613cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f4af61d31dc in g_main_context_poll (n_fds=3, fds=0x7f4ad80010c0, timeout=-1, context=0x7f4ae000b620, priority=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3995
        poll_func = 0x7f4af61e1560 <g_poll>
#2  g_main_context_iterate (context=0x7f4ae000b620, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3696
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x7f4ad80010c0
        nfds = 3
#3  0x00007f4af61d36ba in g_main_loop_run (loop=0x7f4ae000b3d0) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3895
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f4af15194f6 in gdbus_shared_thread_func (user_data=0x7f4ae000b5f0) at /build/buildd/glib2.0-2.36.0/./gio/gdbusprivate.c:278
        data = 0x7f4ae000b5f0
#5  0x00007f4af61f6eb5 in g_thread_proxy (data=0x7f4ae0008770) at /build/buildd/glib2.0-2.36.0/./glib/gthread.c:798
        thread = 0x7f4ae0008770
#6  0x00007f4af2943f8e in start_thread (arg=0x7f4ae770c700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f4ae770c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139959687235328, -9079377690538178883, 0, 139959996121184, 139959695624304, 4096, 9181253015439247037, 9181281839119304381}, 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  0x00007f4af266de1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (Thread 0x7f4af9d4da00 (LWP 14662)):
#0  0x000000000069e537 in ?? ()
No symbol table info available.
#1  0x000000000081e9b4 in sp_action_set_name(SPAction*, Glib::ustring) ()
No symbol table info available.
#2  0x000000000074be80 in Inkscape::Verb::name(SPDocument*, Glib::ustring) ()
No symbol table info available.
#3  0x0000000000ae0408 in Inkscape::EventLog::updateUndoVerbs() ()
No symbol table info available.
#4  0x0000000000ae18d8 in Inkscape::EventLog::notifyUndoCommitEvent(Inkscape::Event*) ()
No symbol table info available.
#5  0x0000000000aa9823 in Inkscape::CompositeUndoStackObserver::notifyUndoCommitEvent(Inkscape::Event*) ()
No symbol table info available.
#6  0x0000000000688db3 in sp_document_maybe_done(SPDocument*, char const*, unsigned int, Glib::ustring) ()
No symbol table info available.
#7  0x00000000006891dd in sp_document_done(SPDocument*, unsigned int, Glib::ustring) ()
No symbol table info available.
#8  0x00000000006b2fad in sp_selection_paste(SPDesktop*, bool) ()
No symbol table info available.
#9  0x000000000081ec62 in sp_action_perform(SPAction*, void*) ()
No symbol table info available.
#10 0x00000000006be458 in sp_shortcut_invoke(unsigned int, Inkscape::UI::View::View*) ()
No symbol table info available.
#11 0x00007f4af984a77b in ?? () from /usr/lib/x86_64-linux-gnu/libgtkmm-2.4.so.1
No symbol table info available.
#12 0x00007f4af7b24929 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#13 0x00007f4af6496620 in g_closure_invoke (closure=0x5137570, return_value=0x7fffa8a3a700, n_param_values=2, param_values=0x7fffa8a3a7b0, invocation_hint=0x7fffa8a3a750) at /build/buildd/glib2.0-2.36.0/./gobject/gclosure.c:777
        marshal = 0x7f4af7b24890
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x5137550
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#14 0x00007f4af64a7d09 in signal_emit_unlocked_R (node=node@entry=0x18e84e0, detail=detail@entry=0, instance=instance@entry=0x51326c0, emission_return=emission_return@entry=0x7fffa8a3a880, instance_and_params=instance_and_params@entry=0x7fffa8a3a7b0) at /build/buildd/glib2.0-2.36.0/./gobject/gsignal.c:3654
        tmp = <optimized out>
        handler = 0x5134b90
        accumulator = 0x18e8550
        emission = {next = 0x0, instance = 0x51326c0, ihint = {signal_id = 42, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x18e8770
        hlist = 0x5134b90
        handler_list = 0x5134b90
        return_accu = 0x7fffa8a3a700
        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 = 42
        max_sequential_handler_number = 71398
        return_value_altered = 1
#15 0x00007f4af64af996 in g_signal_emit_valist (instance=0x51326c0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffa8a3aa08) at /build/buildd/glib2.0-2.36.0/./gobject/gsignal.c:3338
        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 = 0x7fffa8a3a7b0
        signal_return_type = 20
        param_values = 0x7fffa8a3a7c8
        node = 0x18e84e0
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#16 0x00007f4af64aff92 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.36.0/./gobject/gsignal.c:3384
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffa8a3aae0, reg_save_area = 0x7fffa8a3aa20}}
#17 0x00007f4af7c3dd9e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#18 0x00007f4af7b22d77 in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#19 0x00007f4af7b2300b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#20 0x00007f4af7797ccc in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#21 0x00007f4af61d2f05 in g_main_dispatch (context=0x18c9980) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3054
        dispatch = 0x7f4af7797c80
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x18c9890, next = 0x0}
        need_destroy = <optimized out>
        source = 0x18c9890
        current = 0x192cf10
        i = <optimized out>
#22 g_main_context_dispatch (context=context@entry=0x18c9980) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3630
No locals.
#23 0x00007f4af61d3248 in g_main_context_iterate (context=0x18c9980, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3701
        max_priority = 2147483647
        timeout = 33
        some_ready = 1
        allocated_nfds = <optimized out>
        fds = 0x333c160
        nfds = <optimized out>
#24 0x00007f4af61d36ba in g_main_loop_run (loop=0x1c09b80) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3895
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#25 0x00007f4af7b21fe7 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#26 0x00000000006823db in sp_main_gui(int, char const**) ()
No symbol table info available.
#27 0x000000000066661f in main ()
No symbol table info available.