From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from az33egw02.freescale.net ([192.88.158.103]) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1My8Lw-0007Do-28 for linux-mtd@lists.infradead.org; Wed, 14 Oct 2009 18:13:40 +0000 Received: from de01smr02.am.mot.com (de01smr02.freescale.net [10.208.0.151]) by az33egw02.freescale.net (8.14.3/az33egw02) with ESMTP id n9EIDUbV025295 for ; Wed, 14 Oct 2009 11:13:31 -0700 (MST) Received: from az33exm25.fsl.freescale.net (az33exm25.am.freescale.net [10.64.32.16]) by de01smr02.am.mot.com (8.13.1/8.13.0) with ESMTP id n9EIGXKX024177 for ; Wed, 14 Oct 2009 13:16:33 -0500 (CDT) Message-ID: <4AD614E4.6030005@freescale.com> Date: Wed, 14 Oct 2009 13:13:56 -0500 From: Scott Wood MIME-Version: 1.0 To: Felix Radensky Subject: Re: UBIFS problem on MPC8536DS References: <4AD5ADC9.30503@embedded-sol.com> <4AD5C5B4.3060303@nokia.com> <4AD5D053.9000901@embedded-sol.com> <4AD5FFE7.7080703@nokia.com> <4AD60EF4.4080306@embedded-sol.com> In-Reply-To: <4AD60EF4.4080306@embedded-sol.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "linuxppc-dev@ozlabs.org" , "linux-mtd@lists.infradead.org" , Adrian Hunter List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Felix Radensky wrote: > Yes, NAND and NOR are on the same local bus controller. > > Maybe powerpc folks can provide some insight here. > Is it possible that simultaneous access to NOR and NAND > on MPC8536 can result in NAND timeouts ? I've heard other reports of such problems with eLBC, but was unable to reproduce it myself last time I tried. Could you reduce this down to a minimal set of specific reproduction instructions (e.g. eliminate UBI if possible, or else explain how to set up UBI)? -Scott