From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smail4.alcatel.fr ([62.23.212.167]) by bombadil.infradead.org with esmtp (Exim 4.68 #1 (Red Hat Linux)) id 1J4v03-0003Zq-EX for linux-mtd@lists.infradead.org; Wed, 19 Dec 2007 09:14:05 +0000 Received: from bsf.alcatel.fr (mail205.sxb.bsf.alcatel.fr [155.132.205.115]) by smail4.alcatel.fr (ALCANET/NETFR) with ESMTP id lBJ9D5Z9001362 for ; Wed, 19 Dec 2007 10:13:07 +0100 Received: from mail (mail-bsf-alcatel-fr.sxb.bsf.alcatel.fr [155.132.205.91]) by bsf.alcatel.fr (8.8.8p2+Sun/8.9.3) with ESMTP id KAA15305 for ; Wed, 19 Dec 2007 10:13:04 +0100 (MET) Received: from [172.25.53.29] (frilld0063502 [172.25.53.29]) by mail (8.8.8p2+Sun/) with ESMTP id KAA15301 for ; Wed, 19 Dec 2007 10:13:04 +0100 (MET) Message-ID: <4768E0A0.5080700@alcatel-lucent.fr> Date: Wed, 19 Dec 2007 10:13:04 +0100 From: Patrick Agrain MIME-Version: 1.0 To: linux-mtd@lists.infradead.org Subject: Re: JFFS2 errors - are these normal? References: <3adeeb410712180743o77233e51pcb544e3c4b286712@mail.gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Ramesh , What Flash from ST have you tested ? Is it a 256MBytes ? Large Pages (2048 bytes) ? What is the marking on the chip ? Thanks in advance. Regards, Patrick Agrain Ricard Wanderlof a écrit : > On Tue, 18 Dec 2007, Ramesh wrote: > >> Hi, >> >> I am using linux 2.6.19 and ST micro NAND chip (256M) on a PowerPC >> platform. After booting the OS, we install firmware on to the flash. >> These firmware images are RPM packages. Once some packages are >> installed, we start getting some ECC errors. I guess that's fine but >> after a few more RPM installs, the errors seem more serious. Here's a >> sample: > > You shouldn't be getting ECC errors that quickly, on a chip like that I > would expect it would take many months before you'd see an ECC error if > ever. > > My guess without knowing more would be that there is a hardware problem > causing the communication with the nand chip to fail ever so often. > >> The jffs2 image is created with the following flags: -e 0x20000 -s >> 0x1000 -b -v -p -n >> Then I use sumtool with -e 0x20000 -b -p. > > If the device mounts properly then there shouldn't be much wrong with the > image. > > /Ricard > -- > Ricard Wolf Wanderlöf ricardw(at)axis.com > Axis Communications AB, Lund, Sweden www.axis.com > Phone +46 46 272 2016 Fax +46 46 13 61 30 > > ______________________________________________________ > Linux MTD discussion mailing list > http://lists.infradead.org/mailman/listinfo/linux-mtd/ >