I think this may have to do with swapping or not the oob bytes for SmartMedia compatability. See the yaffs source.

There was a problem with #ifdef and #if in the file. I mentioned it to Charles and it is now ok in the current cvs

Nick

> -----Original Message-----
> From: jackzheng2002@sohu.com [mailto:jackzheng2002@sohu.com]
> Sent: 12 November 2004 03:25
> To: nick@cecomputing.co.uk
> Subject: yaffs problem ?
> 
> 
> 
> 
> Sir, Can you help me? 
> I don't use the MTD ECC, I use the yaffs itself ECC, and there 
> are some errors:
> I don't know how to start? Thank you !!!!
> Eager waiting for your response...
> 
> Mounted devfs on /dev
> Freeing init memory: 76K
> zw: mount /etc as ramfs
> zw: re-create the /etc/mtab entries
> zw: /bin/mount -f -t cramfs -o remount,ro /dev/mtdblock/3 /
> zw: /sbin/insmod -f /lib/yaffs.o
> zw: /bin/mount -t yaffs /dev/mtdblock/4 /usr
> yaffs: dev is 7940 name is "1f:04"
> ecc_code : c3 ff 33 30 f3 3f
> ecc_calc : ff c3 33 f3 30 3f
> oob : 0 0 d0 ff ff ff 4 1 c3 ff 33 5c c1 30 f3 3f
> nand_read_ecc: Failed ECC read, page 0x00002020
> nand_read_ecc: Failed ECC read, page 0x00002020
> ecc_code : c3 ff 33 30 f3 3f
> ecc_calc : ff c3 33 f3 30 3f
> oob : 0 0 e0 ff ff ff 4 1 c3 ff 33 50 c1 30 f3 3f
> nand_read_ecc: Failed ECC read, page 0x00002022
> nand_read_ecc: Failed ECC read, page 0x00002022
> ecc_code : cc ff 3f 95 a6 ab
> ecc_calc : ff cc 3f a6 95 ab
> oob : 0 0 d0 ff ff ff 5 1 cc ff 3f d8 c1 95 a6 ab
> nand_read_ecc: Failed ECC read, page 0x00002023
> nand_read_ecc: Failed ECC read, page 0x00002023
> ecc_code : cc ff 3f 96 a6 67
> ecc_calc : ff cc 3f a6 96 67
> oob : 0 0 e0 ff ff ff 5 1 cc ff 3f d4 c1 96 a6 67
> nand_read_ecc: Failed ECC read, page 0x00002026
> nand_read_ecc: Failed ECC read, page 0x00002026
> ecc_code : c3 ff 33 65 aa 5b
> ecc_calc : ff c3 33 aa 65 5b
> oob : 0 0 d0 ff ff ff 4 1 c3 ff 33 5c c1 65 aa 5b
> nand_read_ecc: Failed ECC read, page 0x00002027
> nand_read_ecc: Failed ECC read, page 0x00002027
> ecc_code : c3 ff 33 a5 a5 97
> ecc_calc : ff c3 33 a5 a5 97
> oob : 0 0 e0 ff ff ff 4 1 c3 ff 33 50 c1 a5 a5 97
> nand_read_ecc: Failed ECC read, page 0x00002029
> ecc_code : a9 aa 67 96 a6 67
> ecc_calc : aa a9 67 a6 96 67
> oob : 0 0 f0 ff ff ff 5 1 a9 aa 67 80 c1 96 a6 67
> nand_read_ecc: Failed ECC read, page 0x0000202a
> nand_read_ecc: Failed ECC read, page 0x0000202a
> zw: exec /sbin/init
> console=/dev/co?ole
> init started:  BusyBox v0.60.3 (2002.05.13-08:36+0000) multi-c?l binary
> Starting pid 22, console /dev/console: '/etc/init.d/rcS'
> exec: /usr/etc/rc.local: No such file or dire?ory
> Waiting for enter to start '/bin/sh' (pid 25, terminal /dev/console)
>                                                                   
>              
> Please press Enter to activate this console.