.
Thread 3 (Thread 2373):
#0  0x00007f2fc23dbe33 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = 18446744073709551100
        oldtype = 0
        result = <value optimized out>
#1  0x00007f2fc3728104 in g_main_context_poll (context=0x7f2fb80019f0, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3404
        poll_func = 0x7f2fc3738130 <g_poll>
#2  g_main_context_iterate (context=0x7f2fb80019f0, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 1
        allocated_nfds = <value optimized out>
        fds = 0x2178f00
#3  0x00007f2fc37289f2 in g_main_loop_run (loop=0x26086a0) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f2fa9a4969b in dconf_context_thread (data=0x7f2fb80019f0) at dconfcontext.c:11
        context = 0x7f2fb80019f0
        loop = <value optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#5  0x00007f2fc374f3e4 in g_thread_create_proxy (data=0x7f2fb80027c0) at /build/buildd/glib2.0-2.28.4/./glib/gthread.c:1897
        thread = 0x7f2fb80027c0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f2fc3053d8c in start_thread (arg=0x7f2fa9a44700) at pthread_create.c:304
        pd = 0x7f2fa9a44700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139842686306048, -2711636421369772900, 140733335792768, 139842686306752, 0, 3, 2594361744430089372, 2594586860828902556}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f2fc23e8f7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 2237):
#0  0x00007f2fc23dbe33 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = 18446744073709551100
        oldtype = 0
        result = <value optimized out>
#1  0x00007f2fc3728104 in g_main_context_poll (context=0x1a55390, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3404
        poll_func = 0x7f2fc3738130 <g_poll>
#2  g_main_context_iterate (context=0x1a55390, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x1a557d0
#3  0x00007f2fc37289f2 in g_main_loop_run (loop=0x1a55370) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f2fc4751d44 in gdbus_shared_thread_func (data=<value optimized out>) at /build/buildd/glib2.0-2.28.4/./gio/gdbusprivate.c:276
No locals.
#5  0x00007f2fc374f3e4 in g_thread_create_proxy (data=0x1a55470) at /build/buildd/glib2.0-2.28.4/./glib/gthread.c:1897
        thread = 0x1a55470
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f2fc3053d8c in start_thread (arg=0x7f2fbfc54700) at pthread_create.c:304
        pd = 0x7f2fbfc54700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139843057567488, -2711636421369772900, 140733335794752, 139843057568192, 0, 3, 2594401593136661660, 2594586860828902556}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f2fc23e8f7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 2235):
#0  0x0000000000000030 in ?? () at /usr/include/c++/4.5/bits/vector.tcc:301
No symbol table info available.
#1  0x00000000004437b5 in assign_to_own (this=<value optimized out>) at /usr/include/boost/function/function_template.hpp:888
No locals.
#2  function3 (this=<value optimized out>) at /usr/include/boost/function/function_template.hpp:749
No locals.
#3  function (this=<value optimized out>) at /usr/include/boost/function/function_template.hpp:1084
No locals.
#4  CompAction::initiate (this=<value optimized out>) at /build/buildd/compiz-0.9.4git20110322/src/action.cpp:336
No locals.
#5  0x00007f2fb27717a1 in UnityScreen::initLauncher (thread=<value optimized out>, InitData=<value optimized out>) at /build/buildd/unity-3.6.8/src/unityshell.cpp:896
        self = <value optimized out>
        layout = <value optimized out>
#6  0x00007f2fb8000020 in ?? ()
No symbol table info available.
#7  0x00007f2fb8540a40 in ?? ()
No symbol table info available.
#8  0x00007f2fb8540a48 in ?? ()
No symbol table info available.
#9  0x00007f2fb8540a48 in ?? ()
No symbol table info available.
#10 0x00007f2fb853adc0 in ?? ()
No symbol table info available.
#11 0x0000000001a556a0 in ?? ()
No symbol table info available.
#12 0x00007f2fc237f8e3 in __libc_free (mem=<value optimized out>) at malloc.c:3738
        ar_ptr = 0x34320e0
        p = <value optimized out>
        hook = <value optimized out>
#13 0x00000000021a3cc0 in ?? ()
No symbol table info available.
#14 0x000000000264d300 in ?? ()
No symbol table info available.
#15 0x00007f2fb853adb0 in ?? ()
No symbol table info available.
#16 0x000000000264d308 in ?? ()
No symbol table info available.
#17 0x00007f2fb853adc0 in ?? ()
No symbol table info available.
#18 0x0000000001a556a0 in ?? ()
No symbol table info available.
#19 0x00007f2fb2771998 in UnityScreen::damageNuxRegions (this=0x7f2fb853adc0) at /build/buildd/unity-3.6.8/src/unityshell.cpp:180
        region = {priv = 0x2388490}
        dirty = {<std::_Vector_base<nux::Rect, std::allocator<nux::Rect> >> = {_M_impl = {<std::allocator<nux::Rect>> = {<__gnu_cxx::new_allocator<nux::Rect>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}
        geo = {x = -1202475600, y = 32559, width = 40127824, height = 0}
#20 0x00007f2fb272cd1e in IconLoader::ProcessGIconTask (this=<value optimized out>, task=0x50) at /build/buildd/unity-3.6.8/src/IconLoader.cpp:385
No locals.
#21 0x00007f2fb2793122 in emit (this=0x7fff087cfb80, x=0, y=0, dx=<value optimized out>, dy=-1013111248, button_flags=<value optimized out>, key_flags=27419520) at /usr/include/sigc++-2.0/sigc++/signal.h:776
No locals.
#22 emit (this=0x7fff087cfb80, x=0, y=0, dx=<value optimized out>, dy=-1013111248, button_flags=<value optimized out>, key_flags=27419520) at /usr/include/sigc++-2.0/sigc++/signal.h:2671
No locals.
#23 Launcher::RecvMouseDrag (this=0x7fff087cfb80, x=0, y=0, dx=<value optimized out>, dy=-1013111248, button_flags=<value optimized out>, key_flags=27419520) at /build/buildd/unity-3.6.8/src/Launcher.cpp:2652
No locals.
#24 0x00007f2fb853adb0 in ?? ()
No symbol table info available.
#25 0x0000000001a26380 in ?? ()
No symbol table info available.
#26 0x00007f2fb8000020 in ?? ()
No symbol table info available.
#27 0x00007f2fb853adb0 in ?? ()
No symbol table info available.
#28 0x0000000000000010 in ?? () at /usr/include/c++/4.5/bits/stl_construct.h:98
No symbol table info available.
#29 0x0000000000000001 in ?? ()
No symbol table info available.
#30 0x0000000001a27440 in ?? ()
No symbol table info available.
#31 0x0000000000000000 in ?? ()
No symbol table info available.