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	for linux-mtd@lists.infradead.org; Tue, 11 May 2010 05:45:52 +0000
Subject: Re: Can not mount UBIFS
From: Artem Bityutskiy <dedekind1@gmail.com>
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Date: Tue, 11 May 2010 08:44:50 +0300
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Cc: linux-mtd@lists.infradead.org, Bosi Daniele <Daniele.Bosi@mta.it>,
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On Tue, 2010-05-11 at 11:46 +0800, 林于峻 wrote:
> Dear all,
> 
> I have modified bootloader to download image as ubiformat does.
> However, I still can not mount it.
> I also dump the content of mtd partition and compare.
> (Ex: dd if=/dev/block/mtdblock5 of=/data/mtd5bak)
> No difference between the content written by bootloader and written by
> ubiformat.
> 
... snip ...

> <3>UBI error: ubi_io_read: error -22 while reading 2048 bytes from PEB
> 3:6144, read 0 bytes

Well, find out why your driver returns -EINVAL and read count 0 when you
read 2048 bytes from PEB 3 on this partition, and offset 6144. Dig the
driver.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)