.
Thread 3 (Thread 0x7f179ffff700 (LWP 5043)):
#0  0x00007f17b9b6bdc3 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  0x00007f17bacc3e86 in g_main_context_iterate (dispatch=1, block=-1, context=0x7f17a000c610, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3100
        timeout = <optimized out>
        some_ready = <optimized out>
        fds = 0x7f17980010c0
        max_priority = 2147483647
        nfds = <optimized out>
        allocated_nfds = -1160966688
#2  g_main_context_iterate (context=0x7f17a000c610, block=-1, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = -1744826176
#3  0x00007f17bacc42ea in g_main_loop_unref (loop=0x7f17a000c530) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3251
No locals.
#4  0x00007f17bc9fba00 in ?? ()
No symbol table info available.
#5  0x00007f17a000c5e0 in ?? ()
No symbol table info available.
#6  0x00007f17b801de26 in flush_data_list_complete (flushers=<optimized out>, error=0x7f17a4cc28b0) at /build/buildd/glib2.0-2.31.16/./gio/gdbusprivate.c:1158
        l = 0x0
#7  0x00007f17ba85de9a in start_thread (arg=0x7f179ffff700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f179ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2343550936833212660, 139739525818544, 139739445328320, 0, 3, -2401886626199748364, -2401964365718077196}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = -1610570752
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f17b9b7777d 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 0x7f17a4cc3700 (LWP 5042)):
#0  0x00007f17b9b6bdc3 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  0x00007f17bacc3e86 in g_main_context_iterate (dispatch=1, block=-1, context=0x27ecec0, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3100
        timeout = <optimized out>
        some_ready = <optimized out>
        fds = 0x7f17a00010e0
        max_priority = 2147483647
        nfds = <optimized out>
        allocated_nfds = -1160966688
#2  g_main_context_iterate (context=0x27ecec0, block=-1, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3055
        some_ready = -1610608416
#3  0x00007f17bacc42ea in g_main_loop_unref (loop=0x7f17a00010c0) at /build/buildd/glib2.0-2.31.16/./glib/gmain.c:3251
No locals.
#4  0x00000000027ec400 in ?? ()
No symbol table info available.
#5  0x00000000027ecec0 in ?? ()
No symbol table info available.
#6  0x00007f17a4cc875b in ?? ()
No symbol table info available.
#7  0x000000000236a450 in ?? ()
No symbol table info available.
#8  0x00007f17bace5485 in gtest_default_log_handler (log_domain=0x7f17a00010e0 "\025", log_level=G_LOG_LEVEL_CRITICAL, message=0x7fff45ca8980 "K", unused_data=0x7f17a4cc39c0) at /build/buildd/glib2.0-2.31.16/./glib/gtestutils.c:1813
        strv = {0x0, 0x7f17ba85de9a "dH\211\004%0\006", 0x0, 0x7f17a4cc3700 "", 0x0 <repeats 12 times>}
        fatal = 3
        msg = <optimized out>
        i = 4294967295
#9  0x00007f17a4cc39c0 in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f17bc9ec9c0 (LWP 5021)):
#0  0x00007f17a98aca28 in __find<std::_List_iterator<nux::Area*>, nux::Area*> (__val=<synthetic pointer>, __last=<optimized out>, __first=<optimized out>) at /usr/include/c++/4.6/bits/stl_algo.h:135
No locals.
#1  find<std::_List_iterator<nux::Area*>, nux::Area*> (__val=<synthetic pointer>, __last=..., __first=...) at /usr/include/c++/4.6/bits/stl_algo.h:4403
No locals.
#2  nux::WindowThread::QueueObjectLayout (this=0x2836520, area=0x3957a00) at ./WindowThread.cpp:270
        it = {_M_node = 0x0}
#3  0x00007f17a9c6f2e7 in unity::PanelIndicatorsView::OnEntryRefreshed (this=0x3957a00, view=0x369b1f0) at /build/buildd/unity-5.2.0/plugins/unityshell/src/PanelIndicatorsView.cpp:275
No locals.
#4  0x00007f17a9c6b384 in emit (_A_a1=@0x7fff45ca9c68, impl=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:1010
        it = <optimized out>
        exec = {sig_ = 0x3696ab0}
        slots = {slots_ = @0x3696ab8, placeholder = {_M_node = 0x7625db0}}
#5  emit (_A_a1=@0x7fff45ca9c68, this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/signal.h:2781
No locals.
#6  unity::PanelIndicatorEntryView::Refresh (this=0x369b1f0) at /build/buildd/unity-5.2.0/plugins/unityshell/src/PanelIndicatorEntryView.cpp:418
        attrs = 0x0
        texture2D = <optimized out>
        cairo_graphics = {m_surface_format = CAIRO_FORMAT_ARGB32, _cairo_surface = 0x4a16540, _cr = 0x7a00750, _width = 75, _height = 24, _zoom = 1, _opacity = 1, _opacity_stack = {c = {<std::_Deque_base<float, std::allocator<float> >> = {_M_impl = {<std::allocator<float>> = {<__gnu_cxx::new_allocator<float>> = {<No data fields>}, <No data fields>}, _M_map = 0x7626160, _M_map_size = 8, _M_start = {_M_cur = 0x80e6c60, _M_first = 0x80e6c60, _M_last = 0x80e6e60, _M_node = 0x7626178}, _M_finish = {_M_cur = 0x80e6c60, _M_first = 0x80e6c60, _M_last = 0x80e6e60, _M_node = 0x7626178}}}, <No data fields>}}}
        x = 5
        width = <optimized out>
        texxform = {u0 = 0, v0 = 0, u1 = 0, v1 = 0, uscale = 1, vscale = 1, uoffset = 0, voffset = 0, uwrap = nux::TEXWRAP_REPEAT, vwrap = nux::TEXWRAP_REPEAT, min_filter = nux::TEXFILTER_NEAREST, mag_filter = nux::TEXFILTER_NEAREST, flip_u_coord = false, flip_v_coord = false, m_tex_coord_type = nux::TexCoordXForm::OFFSET_COORD}
        layout = <optimized out>
        settings = 0x12
        screen = 0x22260b0
        text_width = <optimized out>
        text_height = 18
        desc = <optimized out>
        cr = <optimized out>
        font_description = 0x75c58c0 " 'p\002"
        dpi = 98304
        label = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xf987968 " 2:28 AM"}}
        height = 24
        icon_width = 0
        rop = {Blend = true, SrcBlend = 1, DstBlend = 771, static Default = {Blend = false, SrcBlend = 770, DstBlend = 771, static Default = <same as static member of an already seen type>}}
#7  0x00007f17a76d536a in ?? ()
No symbol table info available.
#8  0x0000000003018838 in ?? ()
No symbol table info available.
#9  0x0000000004afeaa0 in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.