.
Thread 4 (Thread 0x7f9cea5ec700 (LWP 2319)):
#0  0x00007f9d057fadc3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f9d0406bf26 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9d0406c38a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9cfbd77e46 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f9d0408d5c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9d05500e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f9d0580677d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f9d01383700 (LWP 2239)):
#0  0x00007f9d057fadc3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f9d0406bf26 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9d0406c054 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9d0406c0a1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f9d0408d5c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9d05500e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f9d0580677d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f9ceaded700 (LWP 2318)):
#0  0x00007f9d057fadc3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f9d0406bf26 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9d0406c38a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9ceadf275b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f9d0408d5c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9d05500e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f9d0580677d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f9d0648e780 (LWP 2238)):
#0  0x00007f9cf3589f39 in QuicklistView::ShowQuicklistWithTipAt(int, int) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#1  0x00007f9cf3583c1f in QuicklistManager::ShowQuicklist(QuicklistView*, int, int, bool) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#2  0x00007f9cf35309da in ?? () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#3  0x00007f9cf356f06a in PluginAdapter::OnScreenUngrabbed() () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#4  0x00007f9cf35e94b5 in unity::UnityScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#5  0x00007f9d06049f53 in CompScreen::handleEvent(_XEvent*) () from /usr/lib/libcompiz_core.so.ABI-20120216
No symbol table info available.
#6  0x00007f9d0602123a in PrivateScreen::processEvents() () from /usr/lib/libcompiz_core.so.ABI-20120216
No symbol table info available.
#7  0x00007f9d060566b7 in CompEventSource::callback() () from /usr/lib/libcompiz_core.so.ABI-20120216
No symbol table info available.
#8  0x00007f9d045616bf in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
No symbol table info available.
#9  0x00007f9d0406bbca in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007f9d0406bf90 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f9d0406c38a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x000000000040299e in main ()
No symbol table info available.