From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28538C433FF for ; Mon, 29 Jul 2019 14:04:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0540720578 for ; Mon, 29 Jul 2019 14:04:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727888AbfG2OES (ORCPT ); Mon, 29 Jul 2019 10:04:18 -0400 Received: from relay8-d.mail.gandi.net ([217.70.183.201]:44383 "EHLO relay8-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727648AbfG2OER (ORCPT ); Mon, 29 Jul 2019 10:04:17 -0400 X-Originating-IP: 88.191.131.7 Received: from [10.137.0.38] (unknown [88.191.131.7]) (Authenticated sender: swami@petaramesh.org) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id 5958E1BF213; Mon, 29 Jul 2019 14:04:15 +0000 (UTC) Subject: Re: Massive filesystem corruption since kernel 5.2 (ARCH) To: Lionel Bouton , linux-btrfs@vger.kernel.org References: <02f206eb-0c36-6ba7-94ce-f50fa3061271@bouton.name> <6fb5af6c-d7b8-951b-f213-e2b9b536ae6a@petaramesh.org> From: =?UTF-8?Q?Sw=c3=a2mi_Petaramesh?= Openpgp: preference=signencrypt Autocrypt: addr=swami@petaramesh.org; keydata= xsDiBEP8C/QRBADPiYmcQstlx+HdyR2FGH+bDgRZ0ZJBAx6F0OPW+CmIa6tlwdhSFtCTJGcw eqCgSKqzLS+WBd6qknpGP3D2GOmASt+Juqnl+qmX8F/XrkxSNOVGGD0vkKGX4H5uDwufWkuV 7kD/0VFJg2areJXx5tIK4+IR0E0O4Yv6DmBPwPgNUwCg0OdUy9lbCxMmshwJDGUX2Y/hiDsD /3YTjHYH2OMTg/5xXlkQgR4aWn8SaVTG1vJPcm2j2BMq1LUNklgsKw7qJToRjFndHCYjSeqF /Yk2Cbeez9qIk3lX2M59CTwbHPZAk7fCEVg1Wf7RvR2i4zEDBWKd3nChALaXLE3mTWOE1pf8 mUNPLALisxKDUkgyrwM4rZ28kKxyA/960xC5VVMkHWYYiisQQy2OQk+ElxSfPz5AWB5ijdJy SJXOT/xvgswhurPRcJc+l8Ld1GWKyey0o+EBlbkAcaZJ8RCGX77IJGG3NKDBoBN7fGXv3xQZ mFLbDyZWjQHl33wSUcskw2IP0D/vjRk/J7rHajIk+OxgbuTkeXF1qwX2yc0oU3fDom1pIFBl dGFyYW1lc2ggPHN3YW1pQHBldGFyYW1lc2gub3JnPsJ+BBMRAgA+AhsDAh4BAheABQsJCAcC BhUKCQgLAgQWAgMBFiEEzB/joG05+rK5HJguL8JcHZB24y4FAl0Cdr0FCSJsbEkACgkQL8Jc HZB24y7PrwCeIj82AsMnwgOebV274cWEyR/yaDsAn25VN/Hw+yzkeXWAn5uIWJ+ZsoZkzsNN BEP8DFwQEAC77CwwyVuzngvfFTx2UzFwFOZ25osxSYE1Hpw249kbeK09EYbvMYzcWR34vbS0 DhxqwJYH9uSuMZf/Jp4Qa/oYN4x4ZMeOGc5+BdigcetQQnZkIpMaCdFm6HK/A4aqCjqbPpvF 3Mtd4CXcl1v94pIWq/n9JrLNclUA7rWnVKkPDqJ8WaxzDWm2YH9l1H+K+JbU/ow+Rk+y5xqp jL3XpOsVqf34RQhFUyCoysvvxH8RdHAeKfWTf5x6P8jOvxB6XwOnKkX91kC2N7PzoDxY7llY Uvy+ehrVVpaKLJ1a1R2eaVIHTFGO//2ARn6g4vVPMB93FLNR0BOGzEXCnnJKO5suw9Njv/aL bdnVdDPt9nc1yn3o8Bx/nZq1asX3zo/PnMz4Up24l6GrakJFMBZybX/KxA0CXDK6Rq4HSphI y/+v0I27FiQm7oT4ykiKnfFuh16NWM8rPV0UQgBLxSBoz327bUpsRuSrYh/oYBbE6p5KYHlB Acpix7wQ61OdUihBX73/AAx0Gd53fc0d4AYeKy4JXMl2uP2aiIvBeBaOKY5tzIq9gnL5K6rr xt4PSeONoLdVo8m8OyYeao1zvpgeNZ6FJ+VCYGBtsZEYIi80Ez5V0PpgAh7kSY1xbimDqKQx A/Jq2Q7sXBCdUeHN5cDgOZLKoJRvat/rhNaCSgUNfhUc2wADBRAAskb9Eolxs20NCfs424b3 /NRI7SVn9W2hXvI61UYfs19lfScnn9YfmiN7IdB2cLCE6OiAbSsK3Aw8HDnEc0AdylVNOiIK su7C4+CW6HKMyIUm1q2qv8RwW3K8eE8+S4+4/5k+38T39BlC3HcLSxS9vfgqmF6mF6VeD5Mn DDbrm7G06UFm1Eh5PKFSzYKZ4i9rD9R4ivDCxRBT9Cibw36iigdp14z87/Qq/NoFe8j9zrbs 3/3XZ22NxS0G8aNi0ejgDeYVRUUudBXK7zjV/pJDS4luB9iOiblysJmdKI3EegHlAcapTASn qsJ42O/Uv9jdSPPruZrMbeRKILqOl/YtI0orHGW/UzMYf/vbYWZ82azkPQqKDZF3Tb3h6ZHt csifD/J9IN7xh71aPf8ayIAus1AtPFtPUTjIJXqXIvAlNcDpaEpxn8xxcbVdcRBU/odASwsX IPdz8/HV5esod/QhR6/16kkKyOJNF5M/qC3PLur8Zu4iRu8EPiPr6vTAjhLrfXbQycuVc4CV c+hGlyYSW0xFaT+XF/4d+KZirsu07P5w/OCu+oRhH4StCOz58KrtuaX1dK5nLk6XkM4nKZhC 7kmpnPqS6BkdJngkozuKQZMJahIvFglag90xgLrOl5MtO55yr/0j4S4a8GxTkVs70GttcMKN TYaSBqmVw+0A3ILCZgQYEQIAJgIbDBYhBMwf46BtOfqyuRyYLi/CXB2QduMuBQJdAnbyBQki bGwWAAoJEC/CXB2QduMur1wAn1X3FcsmMdhMfiYwXw7LVw4FAIeWAJ9kLGer22WFWR2z2iU7 BtUAN08OPA== Message-ID: Date: Mon, 29 Jul 2019 16:04:13 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: fr-FR Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 7/29/19 3:58 PM, Lionel Bouton wrote: > For example I suspected that your SSD is a SATA one and I remember > data corruption bugs where the root cause was wrong assumptions made > between the filesystem layer and the io scheduler. As NVMe devices > triggered major io scheduler rework it seemed worthwhile to mention > that my system might differ from yours on this. So, I've had the issue of 23 FSes so far : - BTRFS FS on LVM over LUKS on a SATA SSD. - BTRFS FS directly over LUKS on an USB-3 mechanical HD. (All this having been perfectly stable until upgrade to 5.2 kernel...) -- ॐ Swâmi Petaramesh PGP 9076E32E