From owner-freebsd-stable@FreeBSD.ORG Sun Jan 29 14:32:04 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B93821065673; Sun, 29 Jan 2012 14:32:04 +0000 (UTC) (envelope-from antonio.trindade@gmail.com) Received: from mail-wi0-f182.google.com (mail-wi0-f182.google.com [209.85.212.182]) by mx1.freebsd.org (Postfix) with ESMTP id E58F78FC0C; Sun, 29 Jan 2012 14:32:03 +0000 (UTC) Received: by wibhn14 with SMTP id hn14so4009226wib.13 for ; Sun, 29 Jan 2012 06:32:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=from:mime-version:content-type:subject:date:in-reply-to:to :references:message-id:x-mailer:x-virus-scanned; bh=X8a/gZMLKViN+V3Eqz+0tsNNzlHOS5W3OOVwgQoPouc=; b=CdDsU9neXVgy3NkkaPfMcuR0EWGe9pvrpDITitUPzWuRwn/tgnLl8ERkbtpxkH92R6 8iPftJ7+6Kb7+2iQ167Lt/oDJOMBsqgaezdN8St6B3JgDAS5W2gfgcBDNq3sGp7wqjHN 1SIOstRr97BXZsPAhYKqF5vqmNVm6EY/PlAxg= Received: by 10.180.86.105 with SMTP id o9mr22130947wiz.4.1327847523007; Sun, 29 Jan 2012 06:32:03 -0800 (PST) Received: from gatekeeper.darklair.homeunix.net (a89-153-149-64.cpe.netcabo.pt. [89.153.149.64]) by mx.google.com with ESMTPS id fv6sm42905017wib.8.2012.01.29.06.32.00 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 29 Jan 2012 06:32:01 -0800 (PST) Received: from gatekeeper.darklair.homeunix.net (localhost [127.0.0.1]) by gatekeeper.darklair.homeunix.net (Postfix) with ESMTP id 6096CCF01A; Sun, 29 Jan 2012 14:31:59 +0000 (WET) Received: from altair-wifi.darklair.homeunix.net (altair-wifi.darklair.homeunix.net [10.0.0.11]) by gatekeeper.darklair.homeunix.net (Postfix) with ESMTPA id C3814CF018; Sun, 29 Jan 2012 14:31:58 +0000 (WET) From: =?iso-8859-1?Q?Ant=F3nio_Trindade?= Mime-Version: 1.0 (Apple Message framework v1084) Date: Sun, 29 Jan 2012 14:31:56 +0000 In-Reply-To: <201201290809.q0T89xrA070840@chez.mckusick.com> To: freebsd-fs@freebsd.org, freebsd-stable@freebsd.org, freebsd-bugs@freebsd.org References: <201201290809.q0T89xrA070840@chez.mckusick.com> Message-Id: <5CDF3EE0-2FC6-4445-9BC4-502CA95BE70C@gmail.com> X-Mailer: Apple Mail (2.1084) X-Virus-Scanned: ClamAV using ClamSMTP Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: kernel: panic: softdep_sync_buf: Unknown type jnewblk X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Jan 2012 14:32:04 -0000 Hi. I'm pretty sure this will be considered almost as spam, but I = reactivated SU+J a day and half ago and it still did not panic. However, I also activated dumpdev, so I'll be prepared to provide = additional information in case of a panic. Cumprimentos/Best regards/Mit freundlichen Gr=FC=DFen, Ant=F3nio Trindade Antonio Trindade gmail.com S=EDtios pessoais: Galeria Fotogr=E1fica: http://trindade.myphotos.cc/fotos/ Blog de fotografia: http://trindade.myphotos.cc/fotografia/ Blog de not=EDcias: http://trindade.myphotos.cc/noticiasavulsas/ Blog pessoal: http://trindade.myphotos.cc/pensamentosnoar/ On 2012/01/29, at 08:09, Kirk McKusick wrote: >> Date: Fri, 27 Jan 2012 09:39:34 +0100 >> From: Yamagi Burmeister >> To: freebsd@jdc.parodius.com >> Cc: antonio.trindade@gmail.com, freebsd-fs@freebsd.org, = dougb@freebsd.org, >> freebsd-stable@freebsd.org >> Subject: Re: kernel: panic: softdep_sync_buf: Unknown type jnewblk >>=20 >> Hi :) >>=20 >> On Thu, 26 Jan 2012 17:54:30 -0800 >> Jeremy Chadwick wrote: >>=20 >>> I'll also point out, though the OP isn't using snapshots, that it's >>> confirmed use of snapshots on SU+J can result in a full filesystem = hang. >>> Confirmation is from Kirk McKusick (author of SU and designer of = SU+J): >>>=20 >>> = http://lists.freebsd.org/pipermail/freebsd-fs/2012-January/013429.html >>>=20 >>> Something really needs to be done about this combination of = problems. >>>=20 >>> Since SU+J is the default choice for all UFS filesystems on = 9.0-RELEASE, >>> the only solution I can think of is to send a massive announcement = to >>> relevant mailing lists, AND put something on the freebsd.org home = page >>> about these issues. >>=20 >> The problem was analyzed but no immediate solution found. Therefor >> snapshots on filesystems with SU+J (but not SU alone) were disabled >> by Kirk McKusick in SVN r230250. The MFC to 9-STABLE has still to >> be done. Maybe this fix is a candidate for an errata notice / patch, >> distributed by freebsd-update? >=20 > With revision 230725 I have MFC'ed to 9 the above change to disable > snapshots when running SU+J. Hopefully Jeff and I will manage to get > a fix for snapshots so as to be able to run them reliably with SU+J. > The above change is not relevant to 8 or earlier systems, so this MFC > will not be applied to them. >=20 > Kirk McKusick