From owner-freebsd-current@freebsd.org Fri Jul 7 14:45:12 2017 Return-Path: Delivered-To: freebsd-current@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 735FDDA4C63 for ; Fri, 7 Jul 2017 14:45:12 +0000 (UTC) (envelope-from imb@protected-networks.net) Received: from mail.protected-networks.net (mail.protected-networks.net [IPv6:2001:470:8d59:1::8]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.protected-networks.net", Issuer "Protected Networks CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 44B1D7C9C6 for ; Fri, 7 Jul 2017 14:45:12 +0000 (UTC) (envelope-from imb@protected-networks.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d= protected-networks.net; h=content-transfer-encoding :content-language:content-type:content-type:mime-version :user-agent:date:date:message-id:subject:subject:from:from; s= 201508; t=1499438677; bh=r4bpBzFkwk1A3NvzSYYxSW3FuuCKbWLyaeyOfND FK+U=; b=owv+qxcC/6LxkfGTfJ+pbx6xsJ5waJ1oIyWW6+xkZVL1q0ILlJPYg9x s0ebb0im3YCD0mfwkxpYZBC7xvWB9hkKxQgmQ2FO+HdFTfeliKi/nI7XXCOu9CAe DIDViI9D2dz0ogeGYFhUVo9m02UXWL9Uso0426HUFBZdsHOoONro= Received: from toshi.auburn.protected-networks.net (toshi.auburn.protected-networks.net [192.168.1.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: imb@mail.protected-networks.net) by mail.protected-networks.net (Postfix) with ESMTPSA id 9FF5CABD4 for ; Fri, 7 Jul 2017 10:44:37 -0400 (EDT) To: freebsd-current From: Michael Butler Subject: dump trying to access incorrect block numbers? Message-ID: <59e89e5b-ddff-2405-7a0c-6de59d32438f@protected-networks.net> Date: Fri, 7 Jul 2017 10:44:36 -0400 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Jul 2017 14:45:12 -0000 Recent builds doing a backup (dump) cause nonsensical errors in syslog: Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=6050375794688, length=32768)]error = 5 Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=546222112768, length=32768)]error = 5 Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=2142846844928, length=32768)]error = 5 Jul 7 00:10:24 toshi last message repeated 7 times Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=2226879725568, length=32768)]error = 5 Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=2941159211008, length=32768)]error = 5 Jul 7 00:10:24 toshi last message repeated 2 times Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=3067208531968, length=32768)]error = 5 Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=3277290733568, length=32768)]error = 5 Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=3487372935168, length=32768)]error = 5 Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=3697455136768, length=32768)]error = 5 Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=3865520898048, length=32768)]error = 5 FSCK declares nothing to be wrong with the file-system. I even used the '-r' inode reclaim option and '-Z' to zero unused blocks to no effect. I now have two UFS-based systems showing the same symptoms - what's up with this? Michael