From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lb0-f177.google.com ([209.85.217.177]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SImWg-0002Yy-5k for linux-mtd@lists.infradead.org; Fri, 13 Apr 2012 19:51:22 +0000 Received: by lboj14 with SMTP id j14so3117303lbo.36 for ; Fri, 13 Apr 2012 12:51:19 -0700 (PDT) Message-ID: <1334346542.2200.18.camel@brekeke> Subject: Re: Unstable bits and JFFS2 From: Artem Bityutskiy To: Wolfram Sang Date: Fri, 13 Apr 2012 22:49:02 +0300 In-Reply-To: <20120413183617.GA22004@pengutronix.de> References: <0A40042D85E7C84DB443060EC44B3FD3351F9CAD87@dekaexchange07.deka.local> <1334334462.13160.10.camel@sauron.fi.intel.com> <20120413183617.GA22004@pengutronix.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Cc: 'Matej Kupljen' , Brian Norris , linux-mtd , Atlant Schmidt Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2012-04-13 at 20:36 +0200, Wolfram Sang wrote: > Hi, > > > > > Artem, you said that this unstable bits only happen > > > > during power cuts, is this right? Would those appear > > > > also on simulated power cuts, the ones that integck > > > > can produce? > > A bit of hijacking this thread, yet it fits somehow to the idea I got > yesterday: > > There is the Open Project Proposal again, where the CEWG funds topics which > improve embedded linux in general [1]. I wonder if it makes sense to hand in a > proposal starting to tackle the 'unstable bits' issue. I could imagine task 1 > mentioned in the wiki page (1. Improve the existing power cut emulation > infrastructure in UBIFS and start emulating unstable bits. Start with emulating > only one type of unstable bits, e.g., type 1.) could be a good candidate for > such a proposal. Since I am not deeply involved with this topic: > > 1) Is this task still needed? > 2) Is it a good task for a 2-3 week period (I'd think so) > 3) Are there people around up for the task? > > I'd be willing to write the proposal, if nobody else volunteers. (yet, given my > constraints, I am not the right person to actually work on it). Even if the > proposal doesn't get contracted, the topic itself might get some attention > since it will be discussed in the CEWG. Yes, definitely a hot topic now, I am swamped with lots of things and never found time for writing proposals like this. Please, go ahead, would be very appreciated. I might help reviewing it and amending.