#0  0x00007f2de92c7037 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 2614
        selftid = 2614
#1  0x00007f2de92ca698 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fff8609e76a, sa_sigaction = 0x7fff8609e76a}, sa_mask = {__val = {6, 139835163628972, 2, 140735442184062, 2, 139835163617940, 1, 139835163628968, 3, 140735442184036, 12, 139835163628972, 2, 140735442184848, 18, 140735442186608}}, sa_flags = 76, sa_restorer = 0x7}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f2de93045ab in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f2de9417860 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff8609f180, reg_save_area = 0x7fff8609f090}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff8609f180, reg_save_area = 0x7fff8609f090}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f2de9310a46 in malloc_printerr (ptr=0x73e6da0, str=0x7f2de9413852 "invalid fastbin entry (free)", action=3) at malloc.c:4902
        buf = "00000000073e6da0"
        cp = <optimized out>
#4  _int_free (av=<optimized out>, p=0x73e6d90, have_lock=0) at malloc.c:3758
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
        __func__ = "_int_free"
#5  0x00007f2dcab6b76e in sigc::internal::signal_emit1<void, double const&, sigc::nil>::emit(sigc::internal::signal_impl*, double const&) () from /tmp/apport_sandbox_5vp92d/usr/lib/compiz/libunityshell.so
No symbol table info available.
#6  0x00007f2dcab6b85a in nux::animation::AnimateValue<double>::Advance(int) () from /tmp/apport_sandbox_5vp92d/usr/lib/compiz/libunityshell.so
No symbol table info available.
#7  0x00007f2dccef8431 in Tick (tick=<optimized out>, this=0x1a646f0) at ./AnimationController.cpp:122
        i = {_M_current = 0x5df0a60}
        ms_since_last_tick = <optimized out>
#8  nux::animation::AnimationController::OnTick (this=<optimized out>, tick=<optimized out>) at ./AnimationController.cpp:165
No locals.
#9  0x00007f2dcab0a28d in unity::UnityScreen::preparePaint(int) () from /tmp/apport_sandbox_5vp92d/usr/lib/compiz/libunityshell.so
No symbol table info available.
#10 0x00007f2dde2088c5 in CompositeScreen::preparePaint(int) () from /tmp/apport_sandbox_5vp92d/usr/lib/compiz/libcomposite.so
No symbol table info available.
#11 0x00007f2dde20a058 in CompositeScreen::handlePaintTimeout() () from /tmp/apport_sandbox_5vp92d/usr/lib/compiz/libcomposite.so
No symbol table info available.
#12 0x00007f2de9c024ac in CompTimer::triggerCallback() () from /tmp/apport_sandbox_5vp92d/usr/lib/libcompiz_core.so.ABI-20130125
No symbol table info available.
#13 0x00007f2de9c0254f in CompTimeoutSource::callback() () from /tmp/apport_sandbox_5vp92d/usr/lib/libcompiz_core.so.ABI-20130125
No symbol table info available.
#14 0x00007f2de9c01a3d in CompTimeoutSource::dispatch(sigc::slot_base*) () from /tmp/apport_sandbox_5vp92d/usr/lib/libcompiz_core.so.ABI-20130125
No symbol table info available.
#15 0x00007f2de80ae50f in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /tmp/apport_sandbox_5vp92d/usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
No symbol table info available.
#16 0x00007f2de7ba80a6 in g_main_dispatch (context=0x12880b0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3058
        dispatch = 0x7f2de80ae4c0 <Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*)>
        was_in_call = 0
        user_data = 0x12fc760
        callback = 0x7f2de80ae490
        cb_funcs = 0x7f2de7e5e940 <g_source_callback_funcs>
        cb_data = 0x12e80e0
        need_destroy = <optimized out>
        current_source_link = {data = 0x12fc6f0, next = 0x0}
        source = 0x12fc6f0
        current = 0x127f6b0
        i = 0
#17 g_main_context_dispatch (context=context@entry=0x12880b0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3634
No locals.
#18 0x00007f2de7ba83f8 in g_main_context_iterate (context=0x12880b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3705
        max_priority = 2147483647
        timeout = 9
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 8
        fds = 0x33ccdc0
#19 0x00007f2de7ba87fa in g_main_loop_run (loop=0x12881e0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#20 0x000000000040195b in main ()
No symbol table info available.