#0  0x00007f386e6776d1 in upload_vs_state (brw=0x7544a0) at /usr/include/bits/string3.h:52
        params_uploaded = 1
        param_regs = <value optimized out>
        param = 0x0
        intel = 0x7544a0
        ctx = 0x7544a0
        nr_params = <value optimized out>
        constant_bo = 0xd805a0
        i = <value optimized out>
#1  0x00007f386e65e0ae in brw_upload_state (brw=0x7544a0) at brw_state_upload.c:484
        atom = <value optimized out>
        intel = 0x7544a0
        state = 0x76b3b0
        i = <value optimized out>
        dirty_count = 0
        atoms = <value optimized out>
        num_atoms = 41
#2  0x00007f386e64d022 in brw_try_draw_prims (ctx=0x7544a0, arrays=0x7a50e0, prim=0x7fffd5bd5500, nr_prims=0, ib=0x0, index_bounds_valid=<value optimized out>, min_index=0, max_index=3) at brw_draw.c:392
        hw_prim = 6
        retval = <value optimized out>
        warn = 0 '\000'
        first_time = 0 '\000'
        i = <value optimized out>
#3  brw_draw_prims (ctx=0x7544a0, arrays=0x7a50e0, prim=0x7fffd5bd5500, nr_prims=0, ib=0x0, index_bounds_valid=<value optimized out>, min_index=0, max_index=3) at brw_draw.c:447
        retval = 0 '\000'
#4  0x00007f386e2d4f2b in vbo_draw_arrays (ctx=0x7544a0, mode=6, start=0, count=<value optimized out>, numInstances=1) at vbo/vbo_exec_array.c:588
        vbo = 0x7a22e0
        exec = 0x7a2f00
        prim = {{mode = 6, indexed = 0, begin = 1, end = 1, weak = 0, pad = 0, start = 0, count = 4, basevertex = 0, num_instances = 1}, {mode = 0, indexed = 0, begin = 0, end = 0, weak = 0, pad = 0, start = 0, count = 0, basevertex = -709012112, num_instances = 32767}}
#5  0x00007f386e367f6a in _mesa_meta_Clear (ctx=0x7544a0, buffers=<value optimized out>) at drivers/common/meta.c:1508
        clear = 0xa8e438
        verts = {{x = 0, y = 0, z = -1, r = 0, g = 0, b = 0, a = 0}, {x = 1920, y = 0, z = -1, r = 0, g = 0, b = 0, a = 0}, {x = 1920, y = 1200, z = -1, r = 0, g = 0, b = 0, a = 0}, {x = 0, y = 1200, z = -1, r = 0, g = 0, b = 0, a = 0}}
        metaSave = <value optimized out>
        stencilMax = 255
#6  0x00007f3864169bc3 in slot1<sigc::bound_mem_functor1<void, nux::WindowCompositor, nux::Object*> > (this=0x4b0, area=0x780) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:526
No locals.
#7  slot<sigc::bound_mem_functor1<void, nux::WindowCompositor, nux::Object*> > (this=0x4b0, area=0x780) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:1157
No locals.
#8  nux::WindowCompositor::SetPreviousMouseOverArea (this=0x4b0, area=0x780) at ./WindowCompositor.cpp:1637
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.