如果kernel在启动过程中:
yaffs: dev is 32505858 name is "mtdblock2"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 31.2, "mtdblock2"
yaffs: auto selecting yaffs2
mount: mounting /dev/mtdblock2 on /mnt failed: Invalid argument
导致yaffs2分区不能工作,不能保存data,需要开发人员去交叉编译mtd-utils-1.0.0.tar.gz。
编译得到flash_erase/flash_eraseall。
进入rootfs执行:flash_eraseall /dev/mtdblock2 或者/dev/mtd2
然后再执行mount -t yaffs /dev/mtdblock2 /tmp