From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out.bhp.t-online.de ([195.145.119.39]) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 18eUs1-0003TR-00 for ; Fri, 31 Jan 2003 06:41:49 +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 <0H9K00M98HCJ5Z@smtp-out.bhp.t-online.de> for linux-mtd@lists.infradead.org; Fri, 31 Jan 2003 08:12:20 +0100 (MET) Date: Fri, 31 Jan 2003 08:10:31 +0100 From: Thomas Gleixner Subject: Re: NAND subsector writing problem In-reply-to: <004701c2c8ce$107caea0$1a00a8c0@itc.intrinsyc.com> To: Alex Samoutin , linux-mtd@lists.infradead.org Reply-to: tglx@linutronix.de Message-id: <200301310810.31301.tglx@linutronix.de> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT References: <007801c2c7fc$5834da60$1a00a8c0@itc.intrinsyc.com> <20030130210325.0F2BB405E@tiger.actrix.co.nz> <004701c2c8ce$107caea0$1a00a8c0@itc.intrinsyc.com> 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 31 January 2003 03:11, Alex Samoutin wrote: > don't know much about sub-page writing. I've only took latest MTD snapshot > and wrote hardware level driver for NAND chip on IBM 405ep board. And then > started "nandtest" program from the same snapshot. So, if "mixing ECC and > sub-page writes is invalid" then something wrong in "nand.c" or "nandtest.o" nandtest is not a valid testprogram for NAND. It should be removed from CVS. > And furthermore - that was not ECC error, it was error during verify read > after write (read and write buffer not match). > Also I have troubles with JFFS2 :(. nand_write_page failed after verify > ( If CONFIG_MTD_NAND_VERIFY_WRITE not defined - I have no error message) Can you turn NAND debugging on and send me the debug output ? -- Thomas ________________________________________________________________________ linutronix - competence in embedded & realtime linux http://www.linutronix.de mail: tglx@linutronix.de