#0  0xb7eadaaf in ?? () from /usr/lib/libGL.so.1
#1  0x0804d340 in ?? ()
#2  0xb7ee30c0 in ?? () from /usr/lib/libGL.so.1
#3  0x0804d340 in ?? ()
#4  0xb7eac306 in ?? () from /usr/lib/libGL.so.1
#5  0x0804d340 in ?? ()
#6  0x0804d340 in ?? ()
#7  0xb7d2b84c in ?? () from /usr/lib/libX11.so.6
#8  0x08055550 in ?? ()
#9  0xb7c5bf86 in XCloseDisplay () from /usr/lib/libX11.so.6
#10 0x080499e5 in ?? ()
#11 0x0804d340 in ?? ()
#12 0x00000000 in ?? ()