本人在做vxworks下面的tffs文件系统设计，基于ppc8260，vxworks版本为5.5，tornado版本2.2。目前文件系统能格式化成功，但用ftp  copy文件时，只要文件的总容量超过4m字节就会报错，之前怀疑是没有解锁，但格式化后先挂载tffs，再解锁，还是出错。我的flash是英特尔i28f256，32m字节的容量，出错地方串口打印，谢谢大家。
Write FlashPtr = 0xc0007fe8,length = 0x4
Write FlashPtr = 0xc13a039c,length = 0x4
Write FlashPtr = 0xc13bac00,length = 0x200
Write FlashPtr = 0xc0007fec,length = 0x4
Write FlashPtr = 0xc13a03a0,length = 0x4
Write FlashPtr = 0xc13bae00,length = 0x200
Write FlashPtr = 0xc0007ff0,length = 0x4
Write FlashPtr = 0xc13a03a4,length = 0x4
Write FlashPtr = 0xc13bb000,length = 0x200
Write FlashPtr = 0xc0007ff4,length = 0x4
Write FlashPtr = 0xc13a03a8,length = 0x4
Write FlashPtr = 0xc13bb200,length = 0x200
Write FlashPtr = 0xc0007ff8,length = 0x4
Write FlashPtr = 0xc13a03ac,length = 0x4
Write FlashPtr = 0xc13bb400,length = 0x200
Write FlashPtr = 0xc0007ffc,length = 0x4
Write FlashPtr = 0xc1da4000,length = 0x200
Write FlashPtr = 0xc0645e00,length = 0x200
Write FlashPtr = 0xc1da4a00,length = 0x200
Write FlashPtr = 0xc1fc1e00,length = 0x200
Write FlashPtr = 0xc1da0a00,length = 0x200
Write FlashPtr = 0xc1da6800,length = 0x200
Write FlashPtr = 0xc0b30a00,length = 0x200
Write FlashPtr = 0xc0786800,length = 0x200
Write FlashPtr = 0xc0650400,length = 0x200
Write FlashPtr = 0xc0656400,length = 0x200
copy: error writing file. errno 0xc0006
0x31ffe00 (tRootTask): disk cache error: device 2a97430 block 7756 errno c0006,
disk removed while writing data, possible data loss