#0  0x00007f5669ac469c in g_type_check_instance_is_a (type_instance=<optimized out>, iface_type=<optimized out>) at /build/buildd/glib2.0-2.34.1/./gobject/gtype.c:3964
        node = 0x567006f73980030
        iface = 0x1b49fc0
        check = 0
#1  0x00007f565bc713d6 in unity::launcher::BamfLauncherIcon::UpdateIconGeometries(std::vector<nux::Point3D<float>, std::allocator<nux::Point3D<float> > >) () from /tmp/apport_sandbox_Bj6or7/usr/lib/compiz/libunityshell.so
No symbol table info available.
#2  0x00007f565bc72002 in unity::launcher::BamfLauncherIcon::UpdateDesktopQuickList() () from /tmp/apport_sandbox_Bj6or7/usr/lib/compiz/libunityshell.so
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.