#0  0xb7d31dec in free () from /lib/tls/i686/cmov/libc.so.6
#1  0xb7e6f94a in ?? () from /usr/lib/libGL.so.1
#2  0x00000003 in ?? ()
#3  0xb7e9b59c in ?? () from /usr/lib/libGL.so.1
#4  0x00000003 in ?? ()
#5  0xb7e9c016 in _nv000038gl () from /usr/lib/libGL.so.1
#6  0x00000003 in ?? ()
#7  0x080572cd in ?? ()
#8  0x00000000 in ?? ()