#0  0xb7ca25c0 in _XSend () from /usr/lib/libX11.so.6
#1  0xb7c9004b in XQueryExtension () from /usr/lib/libX11.so.6
#2  0xb7c84d4b in XInitExtension () from /usr/lib/libX11.so.6
#3  0xb7c48443 in XextAddDisplay () from /usr/lib/libXext.so.6
#4  0xb7ec2974 in ?? () from /usr/lib/libGL.so.1
#5  0x08053cc0 in ?? ()
#6  0x0804d008 in ?? ()
#7  0xb7efed10 in ?? () from /usr/lib/libGL.so.1
#8  0xb7f0d780 in ?? () from /usr/lib/libGL.so.1
#9  0x00000011 in ?? ()
#10 0x00000000 in ?? ()