.
Thread 4 (Thread 0x7fc4a330d700 (LWP 2496)):
#0  0x00007fc4bd2b9b03 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  0x00007fc4bbb28ff6 in g_main_context_poll (n_fds=5, fds=0x7fc494010fd0, timeout=-1, context=0x7fc49c00cc30, priority=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3417
        poll_func = 0x7fc4bbb35f00 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7fc49c00cc30, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fc494010fd0
        max_priority = 2147483647
        nfds = 5
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7fc49c00cc30, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = -1811869744
#4  0x00007fc4bbb2945a in g_main_loop_run (loop=0x7fc49c00cbe0) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fc4b3b4c2c6 in gdbus_shared_thread_func (user_data=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gio/gdbusprivate.c:277
        data = 0x7fc49c00cc00
#6  0x00007fc4bbb4a9a5 in g_thread_proxy (data=0x7fc49c00a400) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:801
        thread = 0x7fc49c00a400
#7  0x00007fc4bcfbde9a in start_thread (arg=0x7fc4a330d700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc4a330d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5134093985328383629, 140482536594160, 140482528205248, 0, 3, 5136723545214695795, 5136761435950954867}, 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  0x00007fc4bd2c54bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7fc4a3b0e700 (LWP 2495)):
#0  0x00007fc4bd2b9b03 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  0x00007fc4bbb28ff6 in g_main_context_poll (n_fds=1, fds=0x7fc49c0010e0, timeout=-1, context=0x27c9c10, priority=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3417
        poll_func = 0x7fc4bbb35f00 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x27c9c10, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fc49c0010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x27c9c10, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = -1677717280
#4  0x00007fc4bbb2945a in g_main_loop_run (loop=0x7fc49c0010c0) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fc4a3b1398b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x27c9c10
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007fc4bbb4a9a5 in g_thread_proxy (data=0x2456000) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:801
        thread = 0x2456000
#7  0x00007fc4bcfbde9a in start_thread (arg=0x7fc4a3b0e700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc4a3b0e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5134093985328383629, 140735771896240, 140482536597952, 0, 3, 5136724645263194483, 5136761435950954867}, 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  0x00007fc4bd2c54bd 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 0x7fc4b9afa700 (LWP 2163)):
#0  0x00007fc4bd2b9b03 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  0x00007fc4bbb28ff6 in g_main_context_poll (n_fds=1, fds=0x7fc4b40008e0, timeout=-1, context=0x2455a00, priority=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3417
        poll_func = 0x7fc4bbb35f00 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x2455a00, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3118
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fc4b40008e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x2455a00, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3060
        some_ready = -1275066144
#4  0x00007fc4bbb29124 in g_main_context_iteration (context=0x2455a00, may_block=1) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:3184
        retval = <optimized out>
#5  0x00007fc4bbb29171 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gmain.c:4856
No locals.
#6  0x00007fc4bbb4a9a5 in g_thread_proxy (data=0x2455c00) at /build/buildd/glib2.0-2.32.1/./glib/gthread.c:801
        thread = 0x2455c00
#7  0x00007fc4bcfbde9a in start_thread (arg=0x7fc4b9afa700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc4b9afa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5134093985328383629, 140735771896624, 140482905614784, 0, 3, 5136773086051842419, 5136761435950954867}, 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  0x00007fc4bd2c54bd 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 0x7fc4bdf59780 (LWP 2160)):
#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007fc4ab047821 in unity::ui::EdgeBarrierController::Impl::OnPointerBarrierEvent (this=0x2defcc0, owner=0x3b26650, event=...) at /build/buildd/unity-5.10.0/plugins/unityshell/src/EdgeBarrierController.cpp:139
        subscriber = <optimized out>
        monitor = <optimized out>
#2  0x00007fc4ab0496f2 in operator() (_A_a2=<optimized out>, _A_a1=<optimized out>, this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1917
No locals.
#3  operator()<unity::ui::PointerBarrierWrapper* const&, const std::shared_ptr<unity::ui::BarrierEvent>&> (_A_arg2=<optimized out>, _A_arg1=<optimized out>, this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:103
No locals.
#4  sigc::internal::slot_call2<sigc::bound_mem_functor2<void, unity::ui::EdgeBarrierController::Impl, unity::ui::PointerBarrierWrapper*, std::shared_ptr<unity::ui::BarrierEvent> >, void, unity::ui::PointerBarrierWrapper*, std::shared_ptr<unity::ui::BarrierEvent> >::call_it (rep=<optimized out>, a_1=<optimized out>, a_2=<optimized out>) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:173
        typed_rep = <optimized out>
#5  0x00007fc4ab1040c6 in deallocate (__p=0x51a7e10, this=<optimized out>) at /usr/include/c++/4.6/ext/new_allocator.h:98
No locals.
#6  _M_put_node (__p=0x51a7e10, this=<optimized out>) at /usr/include/c++/4.6/bits/stl_list.h:331
No locals.
#7  _M_create_node<sigc::slot_base> (this=<optimized out>) at /usr/include/c++/4.6/bits/stl_list.h:499
        __p = 0x51a7e10
#8  emplace<sigc::slot_base> (__position=<optimized out>, this=<optimized out>) at /usr/include/c++/4.6/bits/list.tcc:91
        __tmp = <optimized out>
#9  insert (__x=..., __position=<optimized out>, this=<optimized out>) at /usr/include/c++/4.6/bits/stl_list.h:1062
No locals.
#10 temp_slot_list (slots=<optimized out>, this=0x7fff99b0f190) at /usr/include/sigc++-2.0/sigc++/signal_base.h:183
No locals.
#11 emit (_A_a1=@0x5347efc, impl=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:1004
        exec = {sig_ = 0x2}
        slots = {slots_ = @0x1, placeholder = {_M_node = 0x24c1290}}
#12 emit (_A_a1=@0x5347efc, this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:2781
No locals.
#13 EmitChanged (this=0x7fc4bbdd49a0, new_value=@0x5347efc) at /usr/include/Nux-2.0/NuxCore/Property-inl.h:49
No locals.
#14 Set (value=@0x7fff99b0f1e0, this=0x7fc4bbdd49a0) at /usr/include/Nux-2.0/NuxCore/Property-inl.h:106
No locals.
#15 operator= (value=@0x7fff99b0f1e0, this=0x7fc4bbdd49a0) at /usr/include/Nux-2.0/NuxCore/Property-inl.h:75
No locals.
#16 unity::ui::PointerBarrierWrapper::PointerBarrierWrapper (this=0x5347d80) at /build/buildd/unity-5.10.0/plugins/unityshell/src/PointerBarrier.cpp:40
No locals.
#17 0x0000000002455000 in ?? ()
No symbol table info available.
#18 0x0000000000000001 in ?? ()
No symbol table info available.
#19 0x00007fc4bbb35f00 in ?? () from /tmp/tmpjpe0Sv/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x0000000000000000 in ?? ()
No symbol table info available.