From: Thomas Gleixner <tglx@linutronix.de>
To: llandre <r&d@wawnet.biz>, linux-mtd@lists.infradead.org
Subject: Re: Help to understand error messages (MTD on Samsung NAND chips)
Date: Tue, 15 Jul 2003 19:45:33 +0200 [thread overview]
Message-ID: <200307151945.33907.tglx@linutronix.de> (raw)
In-Reply-To: <5.1.1.6.0.20030715182633.027cd5c0@dns.struinfo.it>
On Tuesday 15 July 2003 18:39, llandre wrote:
> Hi all,
>
>- bash-2.05# eraseall /dev/mtd0
> Erasing 16 Kibyte @ 0 -- 0 % complete.
> eraseall: /dev/mtd0: MTD Erase failure: Input/output error
> Erasing 16 Kibyte @ 4000 -- 0 % complete.
> eraseall: /dev/mtd0: MTD Erase failure: Input/output error
> Erasing 16 Kibyte @ 8000 -- 0 % complete.
This message comes either, if you try to erase a bad block, which is not
likely, as all your blocks would be bad or the erasefunction is not
successful
Do you use the latest CVS code ?
If yes, there were a lot of changes in NAND the last few days.
Can you switch on the debugging in MTD and provide more detailed information.
Please do a
echo 9 >/proc/sys/kernel/printk
before you start the erase .
--
Thomas
________________________________________________________________________
linutronix - competence in embedded & realtime linux
http://www.linutronix.de
mail: tglx@linutronix.de
next prev parent reply other threads:[~2003-07-15 16:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-15 16:39 Help to understand error messages (MTD on Samsung NAND chips) llandre
2003-07-15 17:45 ` Thomas Gleixner [this message]
2003-07-16 8:51 ` llandre
2003-07-16 22:34 ` David Woodhouse
2003-07-31 16:16 ` llandre
2003-07-31 18:56 ` Thomas Gleixner
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