#0  0xb5043647 in jpeg_idct_ifast () from /usr/lib/libjpeg.so.62
#1  0xb5041d2f in ?? () from /usr/lib/libjpeg.so.62
#2  0x088300cc in ?? ()
#3  0x08841508 in ?? ()
#4  0x0883c11c in ?? ()
#5  0x088453e0 in ?? ()
#6  0x00000000 in ?? ()