求助 linux 支持yaffs

pxues

hub 1-0:1.0: 2 ports detected
mice: PS/2 mouse device common for all mice
s3c2440-i2c s3c2440-i2c: slave address 0x10
s3c2440-i2c s3c2440-i2c: bus frequency set to 390 KHz
s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
VFS: Mounted root (cramfs filesystem) readonly.
Freeing init memory: 120K
init started: BusyBox v1.9.2 (2008-10-12 17:25:31 CST)
starting pid 737, tty '': '/etc/init.d/rcS'
----------mount all
----------Starting mdev......
yaffs: dev is 32505859 name is "mtdblock3"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 31.3, "mtdblock3"
yaffs: block 131 is marked bad
block 132 is bad
yaffs_read_super: isCheckpointed 0
一直卡在这里



根文件cramfs正常启动（测试过）


请各位大侠指点一下yaffs
怎么回事？