Robin Haunschild and Daniel Blashke and others reported a crash of k3dsurf at startup with mesa 7.0.2 on amd64.

Backtrace below. Let me know if you need more info.

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb70c28d0 (LWP 6405)]
0xb6c21bec in quad_twoside_unfilled (ctx=0x8456a00, e0=0, e1=25, e2=26, e3=1) at ../../../../../src/mesa/tnl_dd/t_dd_tritmp.h:447
(gdb) bt full
#0  0xb6c21bec in quad_twoside_unfilled (ctx=0x8456a00, e0=0, e1=25, e2=26, e3=1) at ../../../../../src/mesa/tnl_dd/t_dd_tritmp.h:447
        vbcolor = <value optimized out>
        mode = 6913
        coloroffset = 3
        specoffset = 0 '\0'
#1  0xb6cb0d5a in _tnl_render_quads_elts (ctx=0x8456a00, start=0, count=2304, flags=55) at tnl/t_vb_rendertmp.h:334
        j = 7
        tnl = (TNLcontext *) 0x8494008
        elt = (const GLuint * const) 0xb0b0c008
        QuadFunc = (const tnl_quad_func) 0xb6c21950 <quad_twoside_unfilled>
        stipple = 0 '\0'
#2  0xb6cb1146 in run_render (ctx=0x8456a00, stage=0x849424c) at tnl/t_vb_render.c:320
        prim = 0
        start = 0
        length = <value optimized out>
        i = 0
        tnl = (TNLcontext *) 0x8494008
        tab = (tnl_render_func *) 0xb6ddaa00
        pass = 0
        __PRETTY_FUNCTION__ = "run_render"
#3  0xb6ca85e3 in _tnl_run_pipeline (ctx=0x8456a00) at tnl/t_pipeline.c:158
        tnl = (TNLcontext *) 0x8494008
        __tmp = 895
        i = 10
        mask = 63
#4  0xb6c16c87 in intelRunPipeline (ctx=0x8456a00) at intel_tris.c:764
No locals.
#5  0xb6ca8b61 in _tnl_draw_prims (ctx=0x8456a00, arrays=0x8482748,  prim=0xbfbcef20, nr_prims=1, ib=0xbfbcef10, min_index=0, max_index=624) at tnl/t_draw.c:402
        bo = {0xbfbcef18, 0xb6bfcb5f, 0x8456a00, 0xb6dd9640, 0xbfbcee78, 
  0xb6c9ced9, 0x8456a00, 0x4400, 0xbfbcef50, 0xb7f74668, 0x8050299, 
  0xb6dd9640, 0xbfbcee98, 0xb6c9cb38, 0x8456a00, 0x4400, 0xbfbcee98, 
  0xb6c9cff7, 0x8456a00, 0xb6cbdc08, 0xbfbceeb8, 0xb6bff91c, 0x8456a00, 
  0x845761c, 0x8456a00, 0xb6dd9640, 0x8480730, 0x8480e70, 0xbfbceed8, 
  0xb6c9dd90, 0x1, 0x4400, 0x8456a00}
        nr_bo = 0
        tnl = (TNLcontext *) 0x8494008
#6  0xb6ca1166 in vbo_exec_DrawRangeElements (mode=7, start=0, end=624,  count=2304, type=5125, indices=0xb0b0c008) at vbo/vbo_exec_array.c:330
        ctx = <value optimized out>
        ib = {count = 2304, type = 5125, obj = 0x8432158, ptr = 0xb0b0c008}
        prim = {{mode = 7, indexed = 1, begin = 1, end = 1, weak = 0, pad = 0, 
    start = 0, count = 2304}}
#7  0xb6ca1372 in vbo_exec_DrawElements (mode=7, count=2304, type=5125, indices=0xb0b0c008) at vbo/vbo_exec_array.c:359
        min_index = 0
        max_index = 624
#8  0x080baabf in ?? ()
No symbol table info available.
#9  0x080c0a17 in ?? ()
No symbol table info available.
#10 0xb7cec1b9 in QGLWidget::glDraw () from /usr/lib/libqt-mt.so.3
No symbol table info available.
#11 0xb7ceb8be in QGLWidget::updateGL () from /usr/lib/libqt-mt.so.3
No symbol table info available.
#12 0x080ee91a in ?? ()
No symbol table info available.
#13 0x0805484d in ?? ()
No symbol table info available.
#14 0xb72ca450 in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#15 0x080546b1 in ?? ()
No symbol table info available.
(gdb)