From owner-freebsd-cloud@freebsd.org Sat Sep 19 03:00:52 2020 Return-Path: Delivered-To: freebsd-cloud@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D67C43F8559 for ; Sat, 19 Sep 2020 03:00:52 +0000 (UTC) (envelope-from 01000174a44ea02e-d511a094-ae7b-4c0c-b017-df25edaddd42-000000@amazonses.com) Received: from a8-60.smtp-out.amazonses.com (a8-60.smtp-out.amazonses.com [54.240.8.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Btb775hGrz4ThD for ; Sat, 19 Sep 2020 03:00:51 +0000 (UTC) (envelope-from 01000174a44ea02e-d511a094-ae7b-4c0c-b017-df25edaddd42-000000@amazonses.com) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=ae7m2yrxjw65l2cqdpjxuucyrvy564tn; d=tarsnap.com; t=1600484450; h=Subject:To:References:From:Message-ID:Date:MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; bh=CnMrB6dydKrpJx8WYJCgOoBfx/zBMqF/tTvBZr3nhhY=; b=b+cJdcBA9V+0EZoYco2D+PMHDksP4d+YR6HYX9oBxry5F9FbsOPWXmj4yv/7rEa8 tc0O3YV3K+8Pp9S71WN1pCwW5rPpoEIs2R/TnC2v2NEXHKDLcfj+TNmhStlxb7B/fOV jrNaLP9IyIm/qz2Ks3QJObmgjleq0Obe9KpYWB7k= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=224i4yxa5dv7c2xz3womw6peuasteono; d=amazonses.com; t=1600484450; h=Subject:To:References:From:Message-ID:Date:MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding:Feedback-ID; bh=CnMrB6dydKrpJx8WYJCgOoBfx/zBMqF/tTvBZr3nhhY=; b=WFsjMq0W8hdO0AnOlaJwKhqUSlVmYLkt19vq7QFe13tFbouzPZkfOSwo3i/Rq+R3 EvJ9sRDqVpQezCtstzq1SsO/IXJRhcqV9e9AvijhRa5ZbzFNcMh2EYB2BaXjOAtvjWr etwscCKju2Z4oPEkXx3lKiON8d507ZWlXnY/C2UA= Subject: Re: filesystem checksum problems on AWS EC2 instances To: ericr , freebsd-cloud@freebsd.org, Kirk McKusick References: <01000174944cbe04-bc3ea16f-b855-4aac-9bcf-1b9c4e30a241-000000@email.amazonses.com> From: Colin Percival Autocrypt: addr=cperciva@tarsnap.com; prefer-encrypt=mutual; keydata= mQGhBElrAAcRBACDfDys4ZtK+ErCJ1HAzYeteKpm3OEsvT/49AjUTLihkF79HhIKrCQU+1KC zv7BwHCMLb6hq30As9L7iFKG7n5QFLFC4Te/VcITUnWHMG/c3ViLOfJGvi+9/nOEHaM1dVJY D6tEp5yM1nHmVQpo9932j4KGuGFR0LhOK5IHXOSfGwCgxSFDPdgxe2OEjWxjGgY+oV3EafcD +JROXCTjlcQiG/OguQH4Vks3mhHfFnEppLxTkDuYgHZQiUtpcT9ssH5khgqoTyMar05OUdAj ZIhNbWDh4LgTj+7ZmvLhXT5Zxw8LX9d7T36aTB8XDQSenDqEtinMWOb0TCBBLbsB8EFG1WTT ESbZci9jJS5yhtktuZoY/eM8uXMD/3k4FWFO80VRRkELSp+XSy/VlSQjyi/rhl2nQq/oOA9F oJbDaB0yq9VNhxP+uFBzBWSqeIX0t1ZWLtNfVFr4TRP5hihI5ICrg/0OpqgisKsU2NFe9xyO hyJLYmfD8ebpDJ/9k30C7Iju9pVrwLm1QgS4S2fqJRcR+U4WbjvP7CgStCVDb2xpbiBQZXJj aXZhbCA8Y3BlcmNpdmFAdGFyc25hcC5jb20+iGEEExECACEFAklrALYCGwMHCwkIBwMCAQQV AggDBBYCAwECHgECF4AACgkQOM7KaQxqam6/igCgn+z2k3V5ggNppmWrZstt1U2lugsAoL7L wS9V9yLtil3oWmHtwpUqYruEuQINBElrAAcQCAD3ZLMIsP4CIDoJORg+YY0lqLVBgcnF7pFb 4Uy2+KvdWofN+DKH61rZLjgXXkNE9M4EQC1B4lGttBP8IY2gs41y3AUogGdyFbidq99rCBz7 LTsgARHwFxZoaHmXyiZLEU1QZuMqwPZV1mCviRhN5E3rRqYNXVcrnXAAuhBpvNyj/ntHvcDN 2/m+ochiuBYueU4kX3lHya7sOj+mTsndcWmQ9soOUyr8O0r/BG088bMn4qqtUw4dl5/pglXk jbl7uOOPinKf0WVd2r6M0wLPJCD4NPHrCWRLLLAjwfjrtoSRvXxDbXhCdgGBa72+K8eYLzVs hgq7tJOoBWzjVK6XRxR7AAMGB/9Mo3iJ2DxqDecd02KCB5BsFDICbJGhPltU7FwrtbC7djSb XUrwsEVLHi4st4cbdGNCWCrp0BRezXZKohKnNAPFOTK++ZfgeKxrV2sJod+Q9RILF86tQ4XF 7A7Yme5hy92t/WgiU4vc/fWbgP8gV/19f8nunaT2E9NSa70mZFjZNu4iuwThoUUO5CV3Wo0Y UISsnRK8XD1+LR3A2qVyLiFRwh/miC1hgLFCTGCQ3GLxZeZzIpYSlGdQJ0L5lixW5ZQD9r1I 8i/8zhE6qRFAM0upUMI3Gt1Oq2w03DiXrZU0Fu/R8Rm8rlnkQKA+95mRTUq1xL5P5NZIi4gJ Z569OPMFiEkEGBECAAkFAklrAAcCGwwACgkQOM7KaQxqam41igCfbaldnFTu5uAdrnrghESv EI3CAo8AoLkNMks1pThl2BJNRm4CtTK9xZeH Message-ID: <01000174a44ea02e-d511a094-ae7b-4c0c-b017-df25edaddd42-000000@email.amazonses.com> Date: Sat, 19 Sep 2020 03:00:50 +0000 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-SES-Outgoing: 2020.09.19-54.240.8.60 Feedback-ID: 1.us-east-1.Lv9FVjaNvvR5llaqfLoOVbo2VxOELl7cjN0AOyXnPlk=:AmazonSES X-Rspamd-Queue-Id: 4Btb775hGrz4ThD X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=tarsnap.com header.s=ae7m2yrxjw65l2cqdpjxuucyrvy564tn header.b=b+cJdcBA; dkim=pass header.d=amazonses.com header.s=224i4yxa5dv7c2xz3womw6peuasteono header.b=WFsjMq0W; dmarc=pass (policy=none) header.from=tarsnap.com; spf=pass (mx1.freebsd.org: domain of 01000174a44ea02e-d511a094-ae7b-4c0c-b017-df25edaddd42-000000@amazonses.com designates 54.240.8.60 as permitted sender) smtp.mailfrom=01000174a44ea02e-d511a094-ae7b-4c0c-b017-df25edaddd42-000000@amazonses.com X-Spamd-Result: default: False [-1.19 / 15.00]; ARC_NA(0.00)[]; FORGED_SENDER(0.30)[cperciva@tarsnap.com,01000174a44ea02e-d511a094-ae7b-4c0c-b017-df25edaddd42-000000@amazonses.com]; R_DKIM_ALLOW(-0.20)[tarsnap.com:s=ae7m2yrxjw65l2cqdpjxuucyrvy564tn,amazonses.com:s=224i4yxa5dv7c2xz3womw6peuasteono]; NEURAL_HAM_MEDIUM(-1.00)[-0.998]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:54.240.0.0/18]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_LONG(-1.01)[-1.007]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[tarsnap.com:+,amazonses.com:+]; DMARC_POLICY_ALLOW(-0.50)[tarsnap.com,none]; RCVD_IN_DNSWL_NONE(0.00)[54.240.8.60:from]; NEURAL_HAM_SHORT(-0.98)[-0.980]; FREEMAIL_TO(0.00)[gmail.com,freebsd.org,FreeBSD.org]; RCVD_COUNT_ZERO(0.00)[0]; RWL_MAILSPIKE_POSSIBLE(0.00)[54.240.8.60:from]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:14618, ipnet:54.240.8.0/21, country:US]; FORGED_MUA_THUNDERBIRD_MSGID_UNKNOWN(2.50)[]; FROM_NEQ_ENVFROM(0.00)[cperciva@tarsnap.com,01000174a44ea02e-d511a094-ae7b-4c0c-b017-df25edaddd42-000000@amazonses.com]; MAILMAN_DEST(0.00)[freebsd-cloud] X-BeenThere: freebsd-cloud@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "FreeBSD on cloud platforms \(EC2, GCE, Azure, etc.\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Sep 2020 03:00:52 -0000 [Adding Kirk since this seems like a UFS issue...] On 2020-09-16 15:15, ericr wrote: > On Tue, Sep 15, 2020 at 6:24 PM Colin Percival wrote: >> On 2020-09-15 14:30, ericr wrote: >>> Sep 1 20:50:15 freebsd kernel: UFS /dev/gpt/rootfs (/) >>> cylinder checksum failed: cg 0, cgp: 0x9c14700e != bp: 0x27bfa3d0 >>> Sep 1 20:50:15 freebsd syslogd: last message repeated 1 >> times >>> Sep 1 20:50:15 freebsd kernel: UFS /dev/gpt/rootfs (/) >>> cylinder checksum failed: cg 7, cgp: 0x43ed3fa1 != bp: 0xe9b0182e >>> >>> and from there on, I get cylinder checksum errors pretty often. >> >> Do you get this if you launch from the non-Marketplace AMIs listed in the >> release announcement? >> https://www.freebsd.org/releases/12.1R/announce.html > > > Yes. I just tried both of these AMI's from the release notes: > us-east-1 region: ami-0de268ac2498ba33d > us-east-2 region: ami-0a44f10b2c6deb365 > > I got the same errors. I've managed to reproduce this, with a filesystem which I've verified is clean (at least, which passes fsck) before resizing up to ~ 200 GB: > root@freebsd:/usr/home/ec2-user # fsck_ufs /dev/nvd1p2 > ** /dev/nvd1p2 > ** Last Mounted on /releng/12-amd64-GENERIC-release/usr/obj/usr/src/amd64.amd64/release/cw-ec2/new > ** Phase 1 - Check Blocks and Sizes > ** Phase 2 - Check Pathnames > ** Phase 3 - Check Connectivity > ** Phase 4 - Check Reference Counts > ** Phase 5 - Check Cyl groups > 25701 files, 758977 used, 229774 free (9654 frags, 27515 blocks, 1.0% fragmentation) > > ***** FILE SYSTEM IS CLEAN ***** > root@freebsd:/usr/home/ec2-user # gpart recover /dev/nvd1 > nvd1 recovered > root@freebsd:/usr/home/ec2-user # gpart resize -i 2 /dev/nvd1 > nvd1p2 resized > root@freebsd:/usr/home/ec2-user # growfs -y /dev/nvd1p2 > super-block backups (for fsck_ffs -b #) at: > [snip] > root@freebsd:/usr/home/ec2-user # fsck_ufs /dev/nvd1p2 > ** /dev/nvd1p2 > ** Last Mounted on > ** Phase 1 - Check Blocks and Sizes > ** Phase 2 - Check Pathnames > ** Phase 3 - Check Connectivity > ** Phase 4 - Check Reference Counts > ** Phase 5 - Check Cyl groups > CG 0: BAD CHECK-HASH 0x9c14700e vs 0xc9441f74 > SUMMARY INFORMATION BAD > SALVAGE? [yn] n > > CG 7: BAD CHECK-HASH 0xad168305 vs 0x74ba48a > 25701 files, 758977 used, 50019285 free (9661 frags, 6251203 blocks, 0.0% fragmentation) > > ***** FILE SYSTEM MARKED DIRTY ***** > > ***** PLEASE RERUN FSCK ***** This seems like a bug in UFS and/or growfs, but I'm not familiar enough with either to say any more. Kirk, are you aware of any issues on FreeBSD 12.1-RELEASE which can cause cylinder checksum errors after growfs? (On amd64 if it matters.) If it would help I can provide you with SSH access to an affected EC2 instance. -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid