dear all,
I do the follow steps
flash_eraseall dev/mtd3
nandwrite -a -o dev/mtd3 yaffs2_fs.img
mount -t yaffs2 dev/mtdblock3 mnt/yaffs
umount mnt/yaffs
mount -t yaffs2 dev/mtdblock3 mnt/yaffs
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
Partially written block 6 being set for retirement
.....
ls mnt/yaffs
only lost+found

why?
thanks !