#0  0xb79863f2 in ?? () from /usr/lib/libGLcore.so.1
#1  0xb79863f5 in ?? () from /usr/lib/libGLcore.so.1
#2  0xb6cf60a8 in ?? ()
#3  0x0808d018 in ?? ()
#4  0x00000088 in ?? ()
#5  0x00000000 in ?? ()