. Thread 1 (process 6690): #0 0xb16a2bc0 in ?? () #1 0xb7b7cebd in XCloseDisplay () from /usr/lib/libX11.so.6 #2 0x08056e01 in releaseDisplay () #3 0x08052635 in ?? () #4 0xbfea0fcc in ?? () #5 0x08080b20 in ?? () #6 0xbfea0eb8 in ?? () #7 0xb12e3e46 in ?? () #8 0x08080b20 in ?? () #9 0xbfea0fcc in ?? () #10 0xb7cbcfd1 in ?? () from /lib/tls/i686/cmov/libc.so.6 #11 0x00000000 in ?? ()