.
Thread 3 (Thread 1464):
#0  0x0069d416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x01077f46 in __poll (fds=0x8a7e800, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <value optimized out>
        oldtype = -516
        result = <value optimized out>
#2  0x005d4f4b in g_poll (fds=0x8a7e800, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.29.14/./glib/gpoll.c:132
No locals.
#3  0x005c6456 in g_main_context_poll (context=0x8a7ec90, block=6115104, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3474
        poll_func = 0x5d4f20 <g_poll>
#4  g_main_context_iterate (context=0x8a7ec90, block=6115104, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3156
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x8a7e800
#5  0x005c6b5b in g_main_loop_run (loop=0x8a7ec68) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3369
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x038519ca in gdbus_shared_thread_func (user_data=0x8a7ec78) at /build/buildd/glib2.0-2.29.14/./gio/gdbusprivate.c:276
        data = 0x8a7ec78
#7  0x005ed444 in g_thread_create_proxy (data=0x8a7ed20) at /build/buildd/glib2.0-2.29.14/./glib/gthread.c:1962
        thread = 0x8a7ed20
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x0013be99 in start_thread (arg=0xb6affb70) at pthread_create.c:304
        pd = 0xb6affb70
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1363956, 0, 4001536, -1229983032, -1377362173, -713552786}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x010866de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 2 (Thread 1463):
#0  0x0069d416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x01077f46 in __poll (fds=0x8a75d30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <value optimized out>
        oldtype = -516
        result = <value optimized out>
#2  0x005d4f4b in g_poll (fds=0x8a75d30, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.29.14/./glib/gpoll.c:132
No locals.
#3  0x005c6456 in g_main_context_poll (context=0x8a75db8, block=6115104, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3474
        poll_func = 0x5d4f20 <g_poll>
#4  g_main_context_iterate (context=0x8a75db8, block=6115104, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3156
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 1
        allocated_nfds = <value optimized out>
        fds = 0x8a75d30
#5  0x005c6b5b in g_main_loop_run (loop=0x8a75fc0) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3369
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x01415294 in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#7  0x005ed444 in g_thread_create_proxy (data=0x8a75a48) at /build/buildd/glib2.0-2.29.14/./glib/gthread.c:1962
        thread = 0x8a75a48
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x0013be99 in start_thread (arg=0xb7420b70) at pthread_create.c:304
        pd = 0xb7420b70
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1363956, 0, 4001536, -1220410680, 1980178176, -713552786}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x010866de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (Thread 1418):
#0  0x0069d416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00fe0dd1 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <value optimized out>
        resultvar = <value optimized out>
        pid = 17907700
        selftid = 1418
#2  0x00fe42ae in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x58a, sa_sigaction = 0x58a}, sa_mask = {__val = {17907700, 1, 3218988892, 3218988760, 17557013, 3032292, 406816, 0, 7021480, 3218988924, 157550, 3218988892, 6961608, 62, 2, 3218988760, 17295092, 9, 0, 3218988820, 17907700, 4, 2, 3218988940, 17417546, 2, 3218988820, 9, 0, 8, 7, 17745496}}, sa_flags = 4, sa_restorer = 0x5}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x010174d7 in __libc_message (do_abort=2, fmt=0x10f0a2c "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
        ap = 0xb609ff60 "*** glibc detected *** compiz: free(): invalid next size (fast): 0x090493f0 ***\n"
        ap_copy = 0xb609ff60 "*** glibc detected *** compiz: free(): invalid next size (fast): 0x090493f0 ***\n"
        fd = 2
        on_2 = <value optimized out>
        list = <value optimized out>
        nlist = <value optimized out>
        cp = <value optimized out>
        written = <value optimized out>
#4  0x010218c1 in malloc_printerr (action=<value optimized out>, str=<value optimized out>, ptr=0x90493f0) at malloc.c:6283
        buf = "090493f0"
        cp = <value optimized out>
#5  0x010231eb in _int_free (av=<value optimized out>, p=0x90493e8) at malloc.c:4795
        size = <value optimized out>
        fb = <value optimized out>
        nextchunk = <value optimized out>
        nextsize = <value optimized out>
        nextinuse = <value optimized out>
        prevsize = <value optimized out>
        bck = <value optimized out>
        fwd = <value optimized out>
        errstr = <value optimized out>
        __func__ = "_int_free"
#6  0x0102637d in __libc_free (mem=0x90493f0) at malloc.c:3738
        ar_ptr = 0x11153c0
        p = <value optimized out>
        hook = <value optimized out>
#7  0x0074bc1f in operator delete (ptr=0x90493f0) at ../../../../src/libstdc++-v3/libsupc++/del_op.cc:47
No locals.
#8  0x0073305b in deallocate (this=0x90493f0, __a=...) at /build/buildd/gcc-4.6-4.6.1/build/i686-linux-gnu/libstdc++-v3/include/ext/new_allocator.h:98
No locals.
#9  std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_M_destroy (this=0x90493f0, __a=...) at /build/buildd/gcc-4.6-4.6.1/build/i686-linux-gnu/libstdc++-v3/include/bits/basic_string.tcc:451
        __size = <value optimized out>
#10 0x014c9f68 in nux::NString::~NString() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#11 0x014e9b43 in nux::Object::~Object() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#12 0x014eff48 in nux::InitiallyUnownedObject::~InitiallyUnownedObject() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#13 0x01974601 in nux::Area::~Area() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#14 0x0197138d in nux::InputArea::~InputArea() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#15 0x019b64db in nux::View::~View() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#16 0x075b91c0 in PlacesView::~PlacesView() () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#17 0x075b9382 in PlacesView::~PlacesView() () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#18 0x014e97d1 in nux::Object::Destroy() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#19 0x014e99a2 in nux::Object::UnReference() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#20 0x019740b3 in nux::Area::UnParentObject() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#21 0x019bd3ee in nux::Layout::~Layout() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#22 0x019aa81f in nux::HLayout::~HLayout() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#23 0x019aa852 in nux::HLayout::~HLayout() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#24 0x014e97d1 in nux::Object::Destroy() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#25 0x014e99a2 in nux::Object::UnReference() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#26 0x019740b3 in nux::Area::UnParentObject() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#27 0x019b572d in nux::View::RemoveLayout() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#28 0x019b6424 in nux::View::~View() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#29 0x01978703 in nux::BaseWindow::~BaseWindow() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#30 0x01978822 in nux::BaseWindow::~BaseWindow() () from /usr/lib/libnux-1.0.so.0
No symbol table info available.
#31 0x014e97d1 in nux::Object::Destroy() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#32 0x014e99a2 in nux::Object::UnReference() () from /usr/lib/libnux-core-1.0.so.0
No symbol table info available.
#33 0x075a145a in PlacesController::~PlacesController() () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#34 0x075f0280 in UnityScreen::~UnityScreen() () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#35 0x075f0562 in UnityScreen::~UnityScreen() () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#36 0x075f65e7 in CompPlugin::VTableForScreenAndWindow<UnityScreen, UnityWindow>::finiScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#37 0x08095252 in CompManager::finiPlugin(CompPlugin*) ()
No symbol table info available.
#38 0x08096c41 in CompPlugin::pop() ()
No symbol table info available.
#39 0x08071b2d in PrivateScreen::updatePlugins() ()
No symbol table info available.
#40 0x08072258 in PrivateScreen::processEvents() ()
No symbol table info available.
#41 0x0809a408 in CompEventSource::callback() ()
No symbol table info available.
#42 0x001b9f21 in Glib::Source::dispatch_vfunc (callback=0x1b9fb0 <(anonymous namespace)::glibmm_dummy_source_callback(void*)>, user_data=0x8817b98) at main.cc:892
        self = <value optimized out>
        callback_data = 0x8817b98
        __PRETTY_FUNCTION__ = "static gboolean Glib::Source::dispatch_vfunc(GSource*, GSourceFunc, void*)"
#43 0x005c5e1f in g_main_dispatch (context=0x879a8c8) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:2500
        dispatch = 0x1b9ec0 <Glib::Source::dispatch_vfunc(GSource*, GSourceFunc, void*)>
        was_in_call = 0
        user_data = 0x8817b98
        callback = 0x1b9fb0 <(anonymous namespace)::glibmm_dummy_source_callback(void*)>
        cb_funcs = 0x67b35c
        cb_data = 0x881a7d0
        current_source_link = {data = 0x8817b20, next = 0x0}
        need_destroy = <value optimized out>
        source = 0x8817b20
        current = 0x8781048
        i = <value optimized out>
#44 g_main_context_dispatch (context=0x879a8c8) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3083
No locals.
#45 0x005c6550 in g_main_context_iterate (context=0x879a8c8, block=6115104, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3161
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <value optimized out>
        allocated_nfds = <value optimized out>
        fds = 0x9259548
#46 0x005c6b5b in g_main_loop_run (loop=0x881a750) at /build/buildd/glib2.0-2.29.14/./glib/gmain.c:3369
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#47 0x001bb563 in Glib::MainLoop::run (this=0x881a750) at main.cc:634
No locals.
#48 0x0806f1a0 in CompScreen::eventLoop() ()
No symbol table info available.
#49 0x08062d04 in main ()
No symbol table info available.