From owner-freebsd-fs@freebsd.org Sat Nov 25 08:22:40 2017 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 796F0DBBDB8 for ; Sat, 25 Nov 2017 08:22:40 +0000 (UTC) (envelope-from agapon@gmail.com) Received: from mail-lf0-f42.google.com (mail-lf0-f42.google.com [209.85.215.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 04ED7799C6 for ; Sat, 25 Nov 2017 08:22:39 +0000 (UTC) (envelope-from agapon@gmail.com) Received: by mail-lf0-f42.google.com with SMTP id w23so27570371lfd.11 for ; Sat, 25 Nov 2017 00:22:39 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=3OA1nhV5idHQmMn9bWEBW9cBXcBXQuIfEjt4Ff/GIdY=; b=uaLIZw0fR8hHmz+cxjJ7hGHjQNOIcZRjUYrKh5NvE79k03wktE1no3ttF6uCDIH1yO 8K9J9JlG48cVhJXDzVuNYvJkuFMS3wdy7CWQ095CScSTMW6SBdMdPUEI7+wuOfQdPa7/ w7wnOXF73HsxpNJr+dDzLnI6MiIG5S74TWzZjk1X7J69oPQRrQpUmk9QO9zDgwa1n5Lj qjgv8AsjRm2B7VTx+bJ/ugbEhZldor4JdqVlmqGX+YP5i5u5gquZnw7KXbs2Ml8K1nRq icDlVFuE5fvpcjNH9pO3g/K3LprK63A5xfaQWPtGXw3lMKZ+GZxgt5Q7b7i0yYh8KASt vNvg== X-Gm-Message-State: AJaThX7M6UD1G0KOLJOoOi59eW23JlMjaV86yPGpfeaSHZGQJPDBhrDr AHVOalWDPStpRafRbi92erMEqNBbb1o= X-Google-Smtp-Source: AGs4zMZWr1oYr44ngyDp9M2WmtGu/i2Sf5gcDBRppEpD17pigeC6eL9LIRj2TwT0Whs3IWU/q2AJdg== X-Received: by 10.46.86.149 with SMTP id k21mr10015800lje.105.1511598152003; Sat, 25 Nov 2017 00:22:32 -0800 (PST) Received: from [192.168.0.88] (east.meadow.volia.net. [93.72.151.96]) by smtp.googlemail.com with ESMTPSA id o28sm4018529lfc.50.2017.11.25.00.22.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 25 Nov 2017 00:22:31 -0800 (PST) Subject: Re: Strange ZFS object sa_magic corrupted leading to kernel panic. To: pierre Fevre , freebsd-fs@freebsd.org, none References: From: Andriy Gapon Message-ID: Date: Sat, 25 Nov 2017 10:22:30 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Nov 2017 08:22:40 -0000 On 24/11/2017 19:10, pierre Fevre wrote: > I'm having an unpredictable kernel panic on a Freebsd 10.4 server with a 2.6To > Dataset. > I managed to get a screenshot of the kernel Panic: Basically I got this: > >    panic: solaris assert: sa.sa_magic == (0x584530ab == 0x2f505a), file > zfs_vfsops.c, line 610 >    KBD: stack backtrace: >    assfail3+0x2f >    zfs_space_delta_cb+0x107 >    dmu_objset_userquota_get_ids+0x36f Please see https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216586 It is likely that you have the same problem: $ date -j -f %s $((0x584530ab)) Mon 5 Dec 2016 11:17:31 EET It's a known and understood issue, but no one so far has been motivated enough to pursue it further. -- Andriy Gapon