From owner-freebsd-fs@FreeBSD.ORG Thu Nov 13 20:19:47 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D20C3504 for ; Thu, 13 Nov 2014 20:19:47 +0000 (UTC) Received: from mail-wi0-f176.google.com (mail-wi0-f176.google.com [209.85.212.176]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 66BAAF1C for ; Thu, 13 Nov 2014 20:19:46 +0000 (UTC) Received: by mail-wi0-f176.google.com with SMTP id ex7so718848wid.9 for ; Thu, 13 Nov 2014 12:19:44 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=xNjfBmPRLUlDzOTy9SIJvG1/r9YgPibmgyYD6OSaguY=; b=c5XlbKufh2LwNaLv3ieVkd4ypiFebVSczZNCdOY5AGd9TsZZvci+MfXeD5bewOZNZF XyildObYbUdsgA3g2kwoW0IT74pIFe+sStFxuYHIPb8A89gWzM/pkC4GCwczwi8XE2Mm 8GBANrXqWDb8rpQ1MRy/LW/KX+uv4LfBxlelyn9eQZpp7vmYRFGU5ecqa0P/qnfBslJ8 xN7P0Jzu1gjP4kzWRvVYp87k6dXtiVOKIHc3nylqOe/fpINR30sg/WzrAH9Mr1kilrTf 17kcnwkOQnISW1Ej/TeHUa7UAyz55tYL8h5scCptotMIkRkc8kaOFJFYRu7XvUwipx77 R+gQ== X-Gm-Message-State: ALoCoQkiU7FIy5S3uikzdXniekoVrWSgv8bw6kabZtCAKwwoEo1+/6gRLRjJ7Q2WdZt/QSR6aaUO X-Received: by 10.194.3.2 with SMTP id 2mr7184052wjy.89.1415909984626; Thu, 13 Nov 2014 12:19:44 -0800 (PST) Received: from [10.10.1.68] (82-69-141-170.dsl.in-addr.zen.co.uk. [82.69.141.170]) by mx.google.com with ESMTPSA id rx8sm36842132wjb.30.2014.11.13.12.19.43 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Nov 2014 12:19:43 -0800 (PST) Message-ID: <5465129C.7020606@multiplay.co.uk> Date: Thu, 13 Nov 2014 20:20:44 +0000 From: Steven Hartland User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: freebsd-fs@freebsd.org Subject: Re: ZFS + xattr -> panic loop References: In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Nov 2014 20:19:48 -0000 Alwas good to include which version of the OS your talking about (uname -a) On 13/11/2014 19:43, javocado wrote: > After running an rsync (upload) into my zfs filesystem using the > --fake-super option (which stores permissions in extended attributes) the > zfs filesystem has somehow become corrupt. When booting the system it > panic's upon zfs startup: > > panic: solaris assert: VFS_ROOT(vfsp, LK_EXCLUSIVE, &vp) == 0, file: > /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c > , line: 1170 > cpuid = 12 > KDB: stack backtrace: > #0 0xffffffff8034b3ae at kdb_backtrace+0x5e > #1 0xffffffff803185c7 at panic+0x187 > #2 0xffffffff80ab8213 at zfs_mount+0x563 > #3 0xffffffff803a2635 at vfs_donmount+0xdc5 > #4 0xffffffff803a3133 at nmount+0x63 > #5 0xffffffff80553284 at amd64_syscall+0x1f4 > #6 0xffffffff8053bc2c at Xfast_syscall+0xfc > > I was able to boot the system by setting the filesystem: > > canmount=off > > However, I am still unable to mount it manually without causing a similar > panic. > > So, setting the cause of the panic aside for the moment, I just want to get > to the data. I'd like to think I can do that by turning off xattrs and > mounting it read-only however: > > # zfs set xattr=off pool/data > property 'xattr' not supported on FreeBSD: permission denied > > How can I turn that off? > > Second or alternately, if I want to just dump the filesystem out excluding > the extended attributes, so that I have a clean, mountable data set, how > would I do that? > > Thank you! > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"