From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hd5b91d02.k46641.sta.perspektivbredband.net ([213.185.29.2] helo=fg-dc1.flatfrog.local) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1S3VYa-0000XC-VR for linux-mtd@lists.infradead.org; Fri, 02 Mar 2012 16:42:13 +0000 Message-ID: <4F50F862.5030305@flatfrog.com> Date: Fri, 2 Mar 2012 17:42:10 +0100 From: Orjan Friberg MIME-Version: 1.0 To: "linux-mtd@lists.infradead.org" , "linux-omap@vger.kernel.org" Subject: Re: Spurious ECC errors with mtd_subpagetest (OMAP3, NAND) References: <4F50F2AB.10209@flatfrog.com> In-Reply-To: <4F50F2AB.10209@flatfrog.com> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 03/02/2012 05:17 PM, Orjan Friberg wrote: > Hi, > > When running the mtd_subpagetest I'm seeing more or less spurious ECC > corrections. I.e., one round may show 4 corrections and the next will > show 7, only some of which are the same as the previous 4. FWIW * I'm seeing the same behaviour (i.e. transient ECC errors) when doing nanddump on a partition. * mtd_oobtest fails on "verify failed at ", and "read past end of device". -- Orjan Friberg FlatFrog Laboratories AB