板子加载了文件系统，还是不停重启，求助！

板子加载了文件系统，还是不停重启，下面是串口打印信息：
    ……
    TCP cubic registered
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
s3c2410-rtc s3c2410-rtc: setting system clock to 2001-01-03 03:37:46 UTC (978493066)
s3c2440-sdi s3c2440-sdi: powered down.
end_request: I/O error, dev mtdblock2, sector 256
isofs_fill_super: bread failed, dev=mtdblock2, iso_blknum=64, block=128
yaffs: dev is 32505858 name is "mtdblock2"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 31.2, "mtdblock2"
yaffs: auto selecting yaffs2
block 639 is bad
yaffs_read_super: isCheckpointed 0
VFS: Mounted root (yaffs filesystem) on device 31:2.
Freeing init memory: 116K
/etc/init.d/rcS: line 13: mkdir/dev/pts: not found
mount: can't find devpts/dev/pts in /etc/fstab
/etc/init.d/rcS: line 15: echo/sbin/mdev: not found
mkdir: invalid option -- '/'
BusyBox v1.13.0 (2010-07-13 14:51:39 CST) multi-call binary

Usage: mkdir [OPTION] DIRECTORY...

Create DIRECTORY

Options:
        -m      Set permission mode (as in chmod), not rwxrwxrwx - umask
        -p      No error if existing, make parent directories as needed


Please press Enter to activate this console. d^H
-bin/sh: id-un: not found
[root@EmbedSky/]#$rz
     到最后，来不及给串口发送指令，板子就重启了，好郁闷啊！

重新格式化，再重新烧写一遍。试一下先。

2# wuchguang
这个开发板一上电，看门狗就不停的复位。格式化过，不好使！不是你想的那样，不是那样的问题。

你没有喂狗，喂狗方法参考Linux移植教程的看门狗章节。

4# 亚瑟王
谢谢你回复我全部的帖子，我直接把看门狗给屏蔽了，没去喂狗，效果很好。再次感谢你，希望你继续帮助我，今后的道路实在漫长啊！