From: Matthieu CASTET <matthieu.castet@parrot.com>
To: Patrick <kpa_info@yahoo.fr>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: UBI: infinite error loop
Date: Fri, 24 Feb 2012 14:52:01 +0100 [thread overview]
Message-ID: <4F479601.9010605@parrot.com> (raw)
In-Reply-To: <1330090528.12272.YahooMailNeo@web29011.mail.ird.yahoo.com>
Patrick a écrit :
> Dear mailing-list,
>
> I am still trying to use UBI and UBIFS on my board running a 3.0.21 kernel.
>
> When I am doing an the ubiattach -p /dev/mtd4 command I have the following infinite error loop:
>
>
> UBI error: ubi_io_read: error -74 (ECC error) while reading 512 bytes from PEB 4059:512, read 512 bytes
> UBI warning: ubi_io_read_vid_hdr: bad CRC at PEB 4059, calculated 0x9f1c9c0d, read 0x9f1c1c0d
> UBI warning: ubi_eba_copy_leb: error 4 while reading VID header back from PEB 4059
> UBI: run torture test for PEB 4059
> UBI: PEB 4059 passed torture test, do not mark it as bad
> UBI error: ubi_io_read: error -74 (ECC error) while reading 512 bytes from PEB 4059:512, read 512 bytes
> UBI: run torture test for PEB 4059
> UBI: PEB 4059 passed torture test, do not mark it as bad
> UBI warning: ubi_io_read_vid_hdr: bad CRC at PEB 4059, calculated 0x42cdb8ed, read 0xff402946
> UBI warning: ubi_eba_copy_leb: error 4 while reading VID header back from PEB 4059
> UBI: run torture test for PEB 4059
> UBI: PEB 4059 passed torture test, do not mark it as bad
> UBI error: ubi_io_read: error -74 (ECC error) while reading 512 bytes from PEB 4059:512, read 512 bytes
> UBI: run torture test for PEB 4059
> .....
>
>
> I don't think it's normal that this error loop infinitely again and again...
>
> Any help is appreciated !
>
> Thanks in advance
>
What's your nand driver ?
What's your nand device ?
Look like it doesn't handle subpage reading : you have ecc error when reading
512 bytes at offset 512.
Maybe you should pass -O 2048 to ubiattach
next prev parent reply other threads:[~2012-02-24 13:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-24 13:35 UBI: infinite error loop Patrick
2012-02-24 13:52 ` Matthieu CASTET [this message]
[not found] ` <1330094829.26769.YahooMailNeo@web29019.mail.ird.yahoo.com>
2012-02-24 14:58 ` Re : " Matthieu CASTET
[not found] ` <1330096132.68067.YahooMailNeo@web29008.mail.ird.yahoo.com>
2012-02-24 15:22 ` Re : " Matthieu CASTET
2012-03-09 9:07 ` Artem Bityutskiy
-- strict thread matches above, loose matches on Subject: below --
2012-02-24 16:16 Brian Foster
2012-03-09 9:26 ` Artem Bityutskiy
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