From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mms1.broadcom.com ([216.31.210.17]) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1Olscu-0005PR-Tq for linux-mtd@lists.infradead.org; Thu, 19 Aug 2010 00:05:01 +0000 Message-ID: <4C6C7513.2080603@broadcom.com> Date: Wed, 18 Aug 2010 17:04:35 -0700 From: "Brian Norris" MIME-Version: 1.0 To: "Abdoulaye Walsimou GAYE" Subject: Re: [PATCH] mtd: nand: Fix regression in BBM detection References: <1282155904-10113-1-git-send-email-norris@broadcom.com> <4C6C34DE.2050904@embtoolkit.org> In-Reply-To: <4C6C34DE.2050904@embtoolkit.org> Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: David Woodhouse , "mike@it-loops.com" , "linux-mtd@lists.infradead.org" , Linux Kernel , Artem Bityutskiy List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 08/18/2010 12:30 PM, Abdoulaye Walsimou GAYE wrote: > Brian, > Sorry for the long delay! > I tested the above patch unfortunately it does not help in my case! Understood. That makes sense. In fact, your problem is most likely *not* related to this commit. As I mentioned before, please try narrowing down what specifically caused this; if I read correctly, you jumped from 2.6.33 to 2.6.36-rc1. There have been several important changes between those releases. Notably, this commit may be giving Samsung chips problems: 426c457a3216fac74e This thread is covering a few problems with Samsung: http://lists.infradead.org/pipermail/linux-mtd/2010-August/031590.html > And when I go further and put a JFFS2 in that partition and boot the > board I have > Despite these errors I can actually use the board (no kernel panic)! > The part is Samsung K9F1208U0C - PCB0 Unless you really know what you're doing, I wouldn't be writing/erasing the flash if it's not detecting bad blocks properly. Let me know if you have trouble with narrowing down to the problem commit. Brian