.
Thread 3 (Thread 8010):
#0  0x00007f1c67051e33 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  0x00007f1c6839e104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f1c6839e9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f1c52a1769b in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f1c683c53e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f1c67cc9d8c in start_thread (arg=0x7f1c52a12700) at pthread_create.c:304
        pd = 0x7f1c52a12700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139759622104832, -4067406413737992098, 140735372092880, 139759622105536, 0, 3, 4158245398250545246, 4158340828112379998}, 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"
#6  0x00007f1c6705ef7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 8007):
#0  0x00007f1c67051e33 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  0x00007f1c6839e104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f1c6839e9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f1c693c7d44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f1c683c53e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f1c67cc9d8c in start_thread (arg=0x7f1c648c9700) at pthread_create.c:304
        pd = 0x7f1c648c9700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139759922747136, -4067406413737992098, 140735372094880, 139759922747840, 0, 3, 4158338079886696542, 4158340828112379998}, 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"
#6  0x00007f1c6705ef7d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 8006):
#0  0x00007f1c58b8293e in ?? () from /usr/lib/libdee-1.0.so.1
No symbol table info available.
#1  0x00007f1c58b86aed in ?? () from /usr/lib/libdee-1.0.so.1
No symbol table info available.
#2  0x00007f1c5b61edf2 in PlaceEntryRemote::GetResult(void const*, sigc::slot<void, PlaceEntry*, PlaceEntryGroup&, PlaceEntryResult&, sigc::nil, sigc::nil, sigc::nil, sigc::nil>) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#3  0x00007f1c5b61b35b in PlacesGroupController::CheckTiles() () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#4  0x00007f1c5b63366a in PlacesStyle::SetDefaultNColumns(int) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#5  0x00007f1c5b682c67 in PlacesController::GetWindowSize(int*, int*) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#6  0x00007f1c5b682d2c in PlacesController::OnDashFullscreenRequest() () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#7  0x00007f1c5b63da4a in PlacesView::ProcessEvent(nux::Event&, long, long) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#8  0x00007f1c5b286de6 in nux::Layout::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#9  0x00007f1c5b24b520 in nux::BaseWindow::ProcessEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#10 0x00007f1c5b3055aa in nux::WindowCompositor::ProcessEvent(nux::Event&) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#11 0x00007f1c5b30d8e3 in nux::WindowThread::ExecutionLoop(unsigned int) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#12 0x00007f1c5b30e083 in nux::nux_event_dispatch(_GSource*, int (*)(void*), void*) () from /usr/lib/libnux-0.9.so.0
No symbol table info available.
#13 0x00007f1c6839dbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f1c6839e3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x00007f1c6839e9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#16 0x000000000042a22a in CompScreen::eventLoop() ()
No symbol table info available.
#17 0x0000000000423180 in main ()
No symbol table info available.