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From: Robert Liu <robertliu@wiscore.com>
To: linux-mtd@lists.infradead.org
Subject: JFFS2 summary error!
Date: Fri, 10 Feb 2006 14:55:28 +0800	[thread overview]
Message-ID: <43EC38E0.9060007@wiscore.com> (raw)

Hi All,

I am using Linux-2.6.10 with the lastest CVS MTD codes.
My device is a Intel IXP E.V. board, configured as a big-endian machine,
with 8M NOR flash and 32M NAND flash.

I can mount a JFFS2 partition correctly without enabling the JFFS2 
summary support.
But, I usually got warning messages, when turn on the JFFS2 summary support.
(I don't know this problem occurs unders what condition)
The following steps are used to test:
  1. flash_eraseall /dev/mtdblock/3
  2. mount -t jffs2 /dev/mtdblock/3 /mnt
  3. do some operations (mkdir, touch, dd, ...)
  4. umount /mnt
  5. mount -t jffs2 /dev/mtdblock/3 /mnt
then the warning (error!?) meesage showed:
  JFFS2 warning: (86) jffs2_sum_process_sum_data: Unsupported node type 
found in summary! Exiting...
  mount: Mounting /dev/mtdblock/3 on /mnt failed: Input/output error

I added some debug code and found the warrnig always occured with 
nodetype 02E0.
This looks like a endian problem.
Would someone help me to debug?

Regards,
Robert

             reply	other threads:[~2006-02-10  6:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-10  6:55 Robert Liu [this message]
2006-02-10  8:18 ` JFFS2 summary error! Zoltan Sogor
2006-02-10  9:19   ` Robert Liu

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