.
Thread 1 (process 15626):
#0  0xb7de1fb1 in ?? () from /usr/lib/libGL.so.1
#1  0xb7de25e6 in ?? () from /usr/lib/libGL.so.1
#2  0xb7de2bfe in glXCreateContext () from /usr/lib/libGL.so.1
#3  0x0805e548 in addScreen ()
#4  0x08057a99 in addDisplay ()
#5  0x080529b0 in main ()