#0  0xb5a93491 in jpeg_idct_ifast () from /usr/lib/libjpeg.so.62
#1  0xb5a91a6b in ?? () from /usr/lib/libjpeg.so.62
#2  0x08208cdc in ?? ()
#3  0xb5904908 in ?? ()
#4  0xb59005f4 in ?? ()
#5  0x080dcee4 in ?? ()
#6  0x00000000 in ?? ()