#0  0x00007febaa9e32f0 in GLScreen::GLScreen (this=0x7ffffb082fe0, s=<optimized out>) at /build/buildd/compiz-0.9.12+14.10.20140918/plugins/opengl/src/screen.cpp:1339
        vi = <optimized out>
        visualDepth = 35771920
        db = 0
        depth = 0
        mipmap = 0
        msaaBuffers = 0
        msaaSamples = 0
        rgba = 1
        j = -83350704
        stencil = 0
        alpha = 0
        value = 1065353216
        dpy = 0x5
        fbConfigs = 0x0
        defaultDepth = 0
        glxExtensions = <optimized out>
        attr = {x = 0, y = 0, width = 0, height = 0, border_width = 33820352, depth = 0, visual = 0x5, root = 35771920, c_class = 5, bit_gravity = 0, win_gravity = 33116040, backing_store = 0, backing_planes = 140737405005792, backing_pixel = 140650156448573, save_under = 0, colormap = 0, map_installed = 0, map_state = 0, all_event_masks = 0, your_event_mask = 0, do_not_propagate_mask = 140650364362808, override_redirect = 0, screen = 0x902000}
        visinfo = 0x0
        templ = {visual = 0x0, visualid = 0, screen = 0, depth = 0, c_class = 0, red_mask = 0, green_mask = 0, blue_mask = 0, colormap_size = 0, bits_per_rgb = 0}
        nvisinfo = 0
        nElements = 0
        i = 33116040
        o = {<std::_Vector_base<CompOption, std::allocator<CompOption> >> = {_M_impl = {<std::allocator<CompOption>> = {<__gnu_cxx::new_allocator<CompOption>> = {<No data fields>}, <No data fields>}, _M_start = 0x3f800000, _M_finish = 0x0, _M_end_of_storage = 0x3f80000000000000}}, <No data fields>}
#1  0x0000000000000000 in ?? ()
No symbol table info available.