From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ww0-f49.google.com ([74.125.82.49]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1RGvPi-0007YC-3B for linux-mtd@lists.infradead.org; Thu, 20 Oct 2011 16:24:14 +0000 Received: by wwj40 with SMTP id 40so2963703wwj.18 for ; Thu, 20 Oct 2011 09:24:12 -0700 (PDT) Subject: Re: Need to recover from corruption From: Artem Bityutskiy To: Steve Iribarne Date: Thu, 20 Oct 2011 19:23:53 +0300 In-Reply-To: <4E9CA094.4090002@grid-net.com> References: <4E975135.9090702@grid-net.com> <1318765406.2935.7.camel@sauron> <4E9CA094.4090002@grid-net.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-6BBCeVLMMeKjtLoKCP5v" Message-ID: <1319127839.20953.10.camel@sauron> Mime-Version: 1.0 Cc: linux-mtd@lists.infradead.org Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --=-6BBCeVLMMeKjtLoKCP5v Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2011-10-17 at 14:39 -0700, Steve Iribarne wrote: > On 10/16/2011 04:43 AM, Artem Bityutskiy wrote: > > On Thu, 2011-10-13 at 13:59 -0700, Steve Iribarne wrote: > >> I work on a system where we need to be as 100% uptime as possible. Th= e > >> other day we had an issue here where one of our applications was > >> crashing while a write to one of the partitions was happening. > >> > >> I then turned on UBIFS debugging in u-boot and I have a bunch of info > >> but I have no idea what is going on. > > Well, judging from the log UBIFS went nuts for some reason (negative > > free space). I've never seen this before. > > > > Could you please write some more information about your system, flash, > > kernel version, etc. Please, follow these instructions: > > http://www.linux-mtd.infradead.org/faq/ubifs.html#L_how_send_bugreport >=20 > I'm working on getting this info for you now. Could you please also verify your flash with the mtd tests. The symptoms do not look like you have driver-level issues, but this is a good idea to do anyway. You can find the tests in the kernel and some info at the MTD web page. --=20 Best Regards, Artem Bityutskiy --=-6BBCeVLMMeKjtLoKCP5v 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) iQEcBAABAgAGBQJOoEsZAAoJEJtuLFy+q7fe9/QH/iSqTTIU+5fWNkob5zZu8V9W depxuCYY44XXprRJqiIzu09DBp/H2HSvhYBpDSOg3ZIvTwKATxIZexSXevAdPYL8 oX0ASOVp2PSSmV3J0Yu8UX8rOtcF9KWRSfxhxf8KEzFHlThTzvGv1H7/OG9IRtCM HpeCAwp0yP+ZYiXspz41+i/zYRI45yvxG3HAAU4zfg4p1w/g8oAJiQ7D5MNU+CvY E+1nb5BOlDinWMhi4J5tniPAQGPS7Rk5t4dw1U59405lUZGUagDB/juWRfDPvbwm lBEBy9sIo3B/Gehf3OOf8aCd7kAVfC3nHX0CxjBlP2dnKHmqixpTbP8a4DfJur0= =Ag5b -----END PGP SIGNATURE----- --=-6BBCeVLMMeKjtLoKCP5v--