Write clean marker to block at 0x00040000 failed: -22

[李海红]

Dear linux-mtd


nbicc[/]# cat /proc/mtd
dev:    size   erasesize  name
mtd0: 01000000 00020000 "EM86XX mapped flash"
mtd1: 00350000 00020000 "RootFS"
mtd2: 00080000 00020000 "User"
mtd3: 00010000 00020000 "BootROM1"
mtd4: 00020000 00020000 "BootROM2"

[lhh]# ./flash_erase /dev/mtdblock/2
Erase Total 1 Units
[lhh]# cat ./jffs2.img > /dev/mtdblock/2
[lhh]# mount -t jffs2 /dev/mtdblock/2 /tmp/
[lhh]# Write clean marker to block at 0x00040000 failed: -22
Write clean marker to block at 0x00020000 failed: -22

Who can tell me what does this error mean.thanks sososososo much!

Best Regards!
　　　　　　
Li Haihong
Hardware Engineer
Ningbo CAS IC Design Center     
Fax： 86-574-87908484
Tel： 86-574-87910104
Web: www.nbicc.com
E-Mail：lhh at nbicc.com