.
Thread 5 (LWP 4958):
#0  0x00007f4fa0d1e05e in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (LWP 4946):
#0  0x00007f4fa101c3cd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 4945):
#0  0x00007f4fa101c3cd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (LWP 4944):
#0  0x00007f4fa101c3cd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 4943):
#0  0x00007f4f9e8aae04 in ?? ()
No symbol table info available.
#1  0x0000000000cc2100 in ?? ()
No symbol table info available.
#2  0x00007f4fa1810400 in ?? () from /tmp/apport_sandbox_HjAs9U/usr/lib/gcc-snapshot/lib/libstdc++.so.6
No symbol table info available.
#3  0x00000000020799d0 in ?? ()
No symbol table info available.
#4  0x00007f4f8284edff in unity::bamf::Application::~Application() () from /tmp/apport_sandbox_HjAs9U/usr/lib/compiz/libunityshell.so
No symbol table info available.
#5  0x00007f4f8284ee69 in unity::bamf::Application::~Application() () from /tmp/apport_sandbox_HjAs9U/usr/lib/compiz/libunityshell.so
No symbol table info available.
#6  0x00007f4f82697ce9 in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() () from /tmp/apport_sandbox_HjAs9U/usr/lib/compiz/libunityshell.so
No symbol table info available.
#7  0x00007f4f8272a797 in unity::launcher::ApplicationLauncherIcon::~ApplicationLauncherIcon() () from /tmp/apport_sandbox_HjAs9U/usr/lib/compiz/libunityshell.so
No symbol table info available.
#8  0x00007f4f8272a979 in unity::launcher::ApplicationLauncherIcon::~ApplicationLauncherIcon() () from /tmp/apport_sandbox_HjAs9U/usr/lib/compiz/libunityshell.so
No symbol table info available.
#9  0x00007f4f85b841e2 in ?? ()
No symbol table info available.
#10 0x00007fff43dc44b0 in ?? ()
No symbol table info available.
#11 0x0000000000cc3cb0 in ?? ()
No symbol table info available.
#12 0x0000000000000000 in ?? ()
No symbol table info available.