UBINIZE and UBIFS

[Jason Liu]

Your image burning tool has issues. You can try the ubi flasher tool
from the mtd-utility.
Anyway, you should drop program the page with all 0xff if you are
using MLC nand flash.

2009/8/18 Jacky Lam <jackylam.gsl at gmail.com>:
> Dear all,
>
>        I have a problem of embedding a UBIFS image by ubinize. Here is the
> config file I am using:
> ===============================================================
> [rootfs]
> mode=ubi
> image=rfs.bin
> vol_id=0
> vol_size=10485760
> vol_type=dynamic
> vol_name=rootfs
>
> [areatest]
> mode=ubi
> image=test.bin
> vol_id=1
> vol_size=15728640
> vol_type=dynamic
> vol_name=areatest
>
> [areauser]
> mode=ubi
> image=areauser.bin
> vol_id=2
> vol_size=47185920
> vol_type=dynamic
> vol_name=areauser
> ================================================================================
>
>        areauser.bin is created by:
>
>        mkubifs -v -g 1 -r areauser -o areauser.bin -m 4096 -e 516096 -c 92 -x none
>
>        The final image is created by:
>
>        ubinize -o final.raw.2 -m 4096 -p 512KiB ubinize_all.cfg
>
>
>        After burning the raw image to nand flash, everything works fine and
> ubifs can be mount successfully. All the files are readable. But after I
> unmount the ubifs and want to mount again. The following error is happened:
> ------------------------------------------------------------------------
> ...
> <Many ECC errors reported>
> ...
> UBI error: ubi_io_read: error -74 while reading 516096 bytes from PEB
> 55:8192, read 516096 bytes
> UBIFS error (pid 42): ubifs_scan: corrupt empty space at LEB 1:4691
> UBIFS error (pid 42): ubifs_scanned_corruption: corrupted data at LEB 1:4691
> UBIFS error (pid 42): ubifs_scanned_corruption: first 4096 bytes from
> LEB 1:4691
> UBIFS error (pid 42): ubifs_scan: LEB 1 scanning failed
> ...
> <Many ECC errors reported>
> ...
> UBI error: ubi_io_read: error -74 while reading 516096 bytes from PEB
> 55:8192, read 516096 bytes
> UBIFS error (pid 42): ubifs_recover_master_node: failed to recover
> master node
> mount: mounting ubi0:areauser on /mnt/areauser failed: Invalid argument
>
> -------------------------------------------------------------------------
>
>        However, if I runtime update the areauser.bin by ubiupdatevol, there is
> no such problem.
>
>        I have no cue on this, could anyone give me some suggestion?
>
>        Thanks.
>
> BR,
> Jacky
>
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