From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wy0-f177.google.com ([74.125.82.177]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1RGvcj-00084k-FF for linux-mtd@lists.infradead.org; Thu, 20 Oct 2011 16:37:42 +0000 Received: by wyg8 with SMTP id 8so3774287wyg.36 for ; Thu, 20 Oct 2011 09:37:39 -0700 (PDT) Subject: Re: UBIFS recovery fails From: Artem Bityutskiy To: Ivan Djelic Date: Thu, 20 Oct 2011 19:37:22 +0300 In-Reply-To: <20111018084222.GC5997@parrot.com> References: <4E9C2DAC.7090109@swissonline.ch> <1318882668.2172.10.camel@koala> <20111018084222.GC5997@parrot.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-i38hzN76R1n+2Q6I54No" Message-ID: <1319128648.20953.20.camel@sauron> Mime-Version: 1.0 Cc: "linux-mtd@lists.infradead.org" , Ricard Wanderlof Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --=-i38hzN76R1n+2Q6I54No Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2011-10-18 at 10:42 +0200, Ivan Djelic wrote: > Besides unstable bits, lower endurance, higher ecc requirements and NOP1,= there > is a "page pairing" phenomenon which is not handled by UBI/UBIFS AFAIK. > When you cut power during a page write, you may lose data in another (pai= red) > previously programmed page. Yeah, covered this at the web site and provided an idea what UBIFS could do to handle that. --=20 Best Regards, Artem Bityutskiy --=-i38hzN76R1n+2Q6I54No Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAABAgAGBQJOoE5CAAoJEJtuLFy+q7feVSIIAIu2fRTkers+quQ+flpUc9KM fV/9NRk69rtCCc9eGUEzDeLENzJphXxyrn8ZNOUlCnhA1YCTxDBoGEzxLw+DepCP LtRU/pFhIS3rfY6RAgSlWpS3K60JMaSEbb1cHAmEAVy/wQCWNf2ZdxtDeSc5XVj7 OY4SA8ZXpVSNS4/VUmU549kih9zA+dr3Vvo4fJFxe8wstK+z3ljofq+gURLhI/Px 0un34y1zNPFuPAMPnhBUhy04f6jIE9j5opPGFmA1wKhmNDouNX8VVaSED8VuGlmM J4YiGJJRSvUI/9vv5sdYhKGvkU+hVVqUHJV60YSx1hacVnXF8B9paxv6ZlXeIW0= =GKvM -----END PGP SIGNATURE----- --=-i38hzN76R1n+2Q6I54No--