.
Thread 1 (process 6647):
#0  0xb7d1d2b2 in XPutImage () from /usr/lib/libX11.so.6
#1  0x08051d0c in ?? ()
#2  0x083cf7f8 in ?? ()
#3  0x03800005 in ?? ()
#4  0x083dbc50 in ?? ()
#5  0x00000000 in ?? ()