【ROOTFS搭建】Partially written block X detected 解决

YAFFS2文件系统在做了创建、删除等操作后，下次开出现N多Partially written block X detected打印信息。显示如下：

Creating 6 MTD partitions on "atmel_nand":

0x000000000000-0x000000020000 : "bootstrap"

0x000000020000-0x000000060000 : "uboot"

0x000000060000-0x000000080000 : "env1"

0x000000080000-0x0000000a0000 : "env2"

0x0000000a0000-0x0000002a0000 : "linux"

0x0000002a0000-0x000008000000 : "root"

usbmon: debugfs is not available

ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

at91_ohci at91_ohci: AT91 OHCI

at91_ohci at91_ohci: new USB bus registered, assigned bus number 1

at91_ohci at91_ohci: irq 20, io mem 0x00500000

usb usb1: configuration #1 chosen from 1 choice

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 2 ports detected

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

udc: at91_udc version 3 May 2006

mice: PS/2 mouse device common for all mice

rtc-at91sam9 at91_rtt.0: rtc core: registered at91_rtt as rtc0

IRQ 1/rtc0: IRQF_DISABLED is not guaranteed on shared IRQs

rtc-at91sam9 at91_rtt.0: rtc0: SET TIME!

Registered led device: ds5

Registered led device: ds1

usbcore: registered new interface driver usbhid

usbhid: v2.6:USB HID core driver

Advanced Linux Sound Architecture Driver Version 1.0.20.

ALSA device list:

  No soundcards found.

TCP cubic registered

NET: Registered protocol family 17

RPC: Registered udp transport module.

RPC: Registered tcp transport module.

rtc-at91sam9 at91_rtt.0: hctosys: unable to read the hardware clock

yaffs: dev is 32505861 name is "mtdblock5"

yaffs: passed flags ""

yaffs: Attempting MTD mount on 31.5, "mtdblock5"

Partially written block 53 detected

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yaffs_read_super: isCheckpointed 0

VFS: Mounted root (yaffs2 filesystem) on device 31:5.

Freeing init memory: 116K

running /etc/init.d/rcS

mount -t proc proc /proc

mount -t sysfs /sys /sys

解决方法：

修改 yaffs_fs.c 中 yaffs_auto_checkpoint 改成 值 2