.
Thread 1 (process 9112):
#0  0xb7f0d94f in ?? () from /usr/lib/libGL.so.1
#1  0x0804d348 in ?? ()
#2  0xb7f43660 in ?? () from /usr/lib/libGL.so.1
#3  0x0804d348 in ?? ()
#4  0xb7f0c1a6 in ?? () from /usr/lib/libGL.so.1
#5  0x0804d348 in ?? ()
#6  0x0804d348 in ?? ()
#7  0xb7d8fb2c in ?? () from /usr/lib/libX11.so.6
#8  0x08051c78 in ?? ()
#9  0xb7cbaebd in XCloseDisplay () from /usr/lib/libX11.so.6
#10 0x08049891 in ?? ()
#11 0x0804d348 in ?? ()
#12 0x00000000 in ?? ()