From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.nokia.com ([192.100.122.230] helo=mgw-mx03.nokia.com) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1MULU4-0000Hu-8N for linux-mtd@lists.infradead.org; Fri, 24 Jul 2009 14:10:56 +0000 Message-ID: <4A69C0A2.80005@gmail.com> Date: Fri, 24 Jul 2009 17:09:38 +0300 From: Artem Bityutskiy MIME-Version: 1.0 To: Jamie Lokier Subject: Re: UBIFS Corrupt during power failure References: <7207AAC68CE347458026863515A07DA102901F9C@usw-am-xch-02.am.trimblecorp.net> <1246633131.20721.224.camel@localhost.localdomain> <1246854654.20721.271.camel@localhost.localdomain> <1246855913.20721.287.camel@localhost.localdomain> <1246862635.20721.291.camel@localhost.localdomain> <1246949184.20721.302.camel@localhost.localdomain> <20090715205217.GH3056@shareable.org> <4A69596F.8070300@gmail.com> <20090724140547.GA27755@shareable.org> In-Reply-To: <20090724140547.GA27755@shareable.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Cc: Eric Holmberg , linux-mtd@lists.infradead.org, Urs Muff , Stefan Roese , Nicolas Pitre , Adrian Hunter List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 07/24/2009 05:05 PM, Jamie Lokier wrote: > Artem Bityutskiy wrote: >> So apparently it is possible to put NOR to the state when you cannot write >> to it. I wonder if this is SW bug or a HW feature. > > Could it simply be that the block is worn out, and the chip's write > program does not complete when a block is worn out? Does not look like this, because after I've applied my patches it works, and I'm running my tests for several hours already. If what you say was true, it would break somewhere, I guess. -- Best Regards, Artem Bityutskiy (Артём Битюцкий)