From owner-freebsd-stable@FreeBSD.ORG Mon Oct 27 13:58:45 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 1BA9EF22 for ; Mon, 27 Oct 2014 13:58:45 +0000 (UTC) Received: from mho-02-ewr.mailhop.org (mho-02-ewr.mailhop.org [204.13.248.72]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id E2AF4AC2 for ; Mon, 27 Oct 2014 13:58:44 +0000 (UTC) Received: from [73.34.117.227] (helo=ilsoft.org) by mho-02-ewr.mailhop.org with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1Xikof-000DKe-3t; Mon, 27 Oct 2014 13:58:37 +0000 Received: from [172.22.42.240] (revolution.hippie.lan [172.22.42.240]) by ilsoft.org (8.14.9/8.14.9) with ESMTP id s9RDwZeL076363; Mon, 27 Oct 2014 07:58:35 -0600 (MDT) (envelope-from ian@FreeBSD.org) X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 73.34.117.227 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1/Gx8weFR4NTyyPJH7B9dgn X-Authentication-Warning: paranoia.hippie.lan: Host revolution.hippie.lan [172.22.42.240] claimed to be [172.22.42.240] Subject: Re: File system issues From: Ian Lepore To: Ronald Klop In-Reply-To: References: <544BC863.2040607@bsdforen.de> <20141025183600.GG66862@home.opsec.eu> <544C0DA3.1060201@bsdforen.de> Content-Type: text/plain; charset="us-ascii" Date: Mon, 27 Oct 2014 07:58:34 -0600 Message-ID: <1414418314.17308.2.camel@revolution.hippie.lan> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Oct 2014 13:58:45 -0000 On Mon, 2014-10-27 at 09:49 +0100, Ronald Klop wrote: > On Sat, 25 Oct 2014 22:52:51 +0200, Dominic Fandrey > wrote: > > > On 25/10/2014 20:36, Kurt Jaeger wrote: > >> Hi! > >> > >>> Two or 3 days ago, after an update to stable/10 my UFS file system > >>> started acting weird. I have freezes and files disappearing from the > >>> system. > >>> > >>> The first time that happened SU+J failed me. > >> > >> I always disable journaling > > > > I think that's just a symptom here. The issue is stuff mysteriously > > disappearing from my file system on a running system. > > > > > > Hi, > > Weird stuff. If you read the following mail thread there is a confirmed > problem with fsck on ARM systems with disappearing files. > http://lists.freebsd.org/pipermail/freebsd-arm/2014-September/009168.html > It also states that the same problem does not occur on other platforms > (and I can fsck my ARM systems usb-stick on a amd64 system successfully), > but I thought it is worth mentioning. > It seems unlikely to be related, but it would be easy to test: mdconfig -a -t malloc -s 64m # assume that created unit 0 newfs /dev/md0 fsck -t ffs /dev/md0 If that reports errors, you've got the problem. If it doesn't, it's some other problem. So far the problem exposed by the sequence above happens only on one specific type of old low-end arm system; it hasn't yet been reproduced on even other arm systems, let alone other arches. -- Ian