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From: guenter.gebhardt@rafi.de
To: barebox@lists.infradead.org
Subject: imx35 NFC and jffs2
Date: Fri, 13 Jan 2012 09:47:08 +0100	[thread overview]
Message-ID: <OF2ADC7AFF.7875240B-ONC1257984.002AE123-C1257984.003043B9@o0802.rafi.inhouse> (raw)


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I am using jffs2 for my Linux root file system.

I am using the following command to create it:

$ mkfs.jffs2 -D ${ROOTFS_DEVICE_TABLE} -r ${ROOTFS_TMP} -o 
${DIR_TFTP}/${ROOTFS_IMG} -n -l -e 128

Then I am using the barebox shell to program this image to the NAND flash:

$ update_rootfs nand

The system get's booted now. All seems to be fine.
But after using the system for a while I get a lot of error messages 
originating from the jffs2 file system:

UnCorrectable RS-ECC Error   
UnCorrectable RS-ECC Error   
UnCorrectable RS-ECC Error   
UnCorrectable RS-ECC Error   
mtd->read(0x6f8 bytes from 0x760108) returned ECC error

This leads to a corrupted and unusable file system.

I executed all the tests provided by the Linux kernel mtd device driver 
with success.
Also nandtest from the MTD utils package runs with success.
Therefore I assume that the imx35 NFC device driver is working well.

Software Versions:

barebox-2011.11.0
linux-2.6.38.2
mkfs.jffs2 --version # revision 1.60

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             reply	other threads:[~2012-01-13  9:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-13  8:47 guenter.gebhardt [this message]
2012-01-13 11:57 ` Sascha Hauer

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