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 ED763C0650F for ; Tue, 30 Jul 2019 08:03:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CED8E206A2 for ; Tue, 30 Jul 2019 08:03:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730761AbfG3IDB convert rfc822-to-8bit (ORCPT ); Tue, 30 Jul 2019 04:03:01 -0400 Received: from relay5-d.mail.gandi.net ([217.70.183.197]:43555 "EHLO relay5-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726351AbfG3IDB (ORCPT ); Tue, 30 Jul 2019 04:03:01 -0400 X-Originating-IP: 37.173.35.67 Received: from [10.137.0.38] (unknown [37.173.35.67]) (Authenticated sender: swami@petaramesh.org) by relay5-d.mail.gandi.net (Postfix) with ESMTPSA id E5FA11C0006; Tue, 30 Jul 2019 08:02:57 +0000 (UTC) Subject: Re: [BUG] BTRFS critical corrupt leaf - bisected to 496245cac57e To: Qu Wenruo Cc: linux-btrfs@vger.kernel.org References: <5a89e922-00af-51a9-390f-b0a6b1f6cfb6@web.de> <4776e0bd-83c2-44a1-4403-3a155fe3f6c7@gmx.com> <508c6378-522a-ae24-6c33-83c8efc64ae5@petaramesh.org> <83294063-9f98-71ab-428b-e2251b96e5b9@gmx.com> 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: Tue, 30 Jul 2019 10:02:55 +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: <83294063-9f98-71ab-428b-e2251b96e5b9@gmx.com> 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 7/30/19 9:21 AM, Qu Wenruo wrote: > >> I have emergency downgraded my system to 5.1 not to take any risk of >> crashing my SSD again (and if it crashes again anyway, then I will know >> it is not kernel 5.2's fault and let you know...) > That kernel message is to *prevent* any further damage, by rejecting any > invalid metadata. > If it caused mount failure, it shouldn't have written anything to the disk. > > The later transid error doesn't really match the original report. > > We really need the mount failure message of that fs. This message is what I just got from my external backup USB HD that started acting up yesterday (before I reverted back to 5.1). I may find more in the syslog (but the machine is at home and I'm at work so it'll have to wait... I have the external disk with me however, so I would be able to run anything to test it now.) For the machine's system SSD, what happened is that mount never actually *failed* but the machine started displaying error messages at boot and these error messages went along with such BTRFS error messages on the console. For example the machines wouldn't boot to GUI anymore but I would still be able to log in in console and see that the log was crowded with failing services and BTRFS errors. Then I reformatted and reinstalled from backup, so the corresponding logs are indeed lost. ॐ -- Swâmi Petaramesh PGP 9076E32E