From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out.bhp.t-online.de ([195.145.119.39] helo=orvill.bhp.t-online.de) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 18HjvN-0001ul-00 for ; Fri, 29 Nov 2002 12:07:13 +0000 Received: from ylva.bhp.t-online.de (ylva.ada.t-online.de [172.30.8.40]) by smtp-out.bhp.t-online.de (iPlanet Messaging Server 5.2 (built Feb 21 2002)) with SMTP id <0H6C0086E8E2G8@smtp-out.bhp.t-online.de> for linux-mtd@lists.infradead.org; Fri, 29 Nov 2002 13:37:15 +0100 (MET) Date: Fri, 29 Nov 2002 13:35:26 +0100 From: Thomas Gleixner Subject: Re: JFFS/MTD and Raw access In-reply-to: <3DE74F50.30675.396F40@localhost> To: simon@baydel.com, Damien GERANTON Cc: MTD mailing list Reply-to: tglx@linutronix.de Message-id: <200211291335.26765.tglx@linutronix.de> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT References: <3DE74F50.30675.396F40@localhost> Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: On Friday 29 November 2002 12:28, simon@baydel.com wrote: > I have hit exactly the same problem using JFFS2. I am no authority > on this but, I thought the problem might be caused by the write > generating different OOB data for input blocks, which are erased or > only partially written. So I guess what needs to be done is to read > and copy the DATA and OOB. I think you can do this with the > nanddump and nandwrite utilities. I guess I will have to try it > sometime. On NOR-FLASH dd should work. For NAND see http://www.linux-mtd/tech/nand.html -- Thomas ____________________________________________________ linutronix - competence in embedded & realtime linux http://www.linutronix.de mail: tglx@linutronix.de