Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp414945imm; Fri, 10 Aug 2018 13:43:19 -0700 (PDT) X-Google-Smtp-Source: AA+uWPzCbvLNnmWCMQwdjCbY8TAnwKyr9Om2QVG//sMO/m+OQXXeqxAexRw5nzagMt3vdLT4fjAV X-Received: by 2002:a17:902:a5:: with SMTP id a34-v6mr7553964pla.60.1533933799277; Fri, 10 Aug 2018 13:43:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1533933799; cv=none; d=google.com; s=arc-20160816; b=ufYr1kr3g/1Iu/pubQz290xen1B4NBausD3CM4HrKyajv8VGUf9snb3B7xKx9mz3eF /+8ompSSXRjbKu0Fv2C/Y07DAJa1s0Y7wZUsfSJQl4dyU/MX2KOigMGQJr2HYKyxiDWC +n8TQAafdetghUnhbRhG3mCISCH0/k5gP1MdaHijOo/UDzZCMidXvHg0A+r2OsVJn7rR Ll9I9m9gSWTNyYjeKmFmKO5QZNr794RucEZlsqGzt7WVojLXup0MzWWoX1UJq1CEGqEu dcIAIElWeTQkFA80OfTi5j2zLc1Bk0vEPUs9HdvB1obwGACBtymEvXJhEzxQmTH5t88S 8NGw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-language :content-transfer-encoding:mime-version:user-agent:date:message-id :cc:autocrypt:openpgp:subject:from:to:arc-authentication-results; bh=XHUkiRzo/9qumiQ4HwR4oyqi4Tdj7jOZ5f3cQQGE0Bw=; b=fl0KsrJtz63qnxFCkNNj22UIxVAk1L23/CBzPoJj/0T0yJunxjFzpIBuGa8cTKMrgm xclr8zej0FUMyIMXIuOdxt8KzoLtFfibe7aIF/ZeAea9dzet2w7ALEnvThctS+2s4Bpb iRGd5Fe9UOhDkyI7tKAYJg5jtQBDHV/eTfEtZbRMkWAZioGuS38X6nCRJZPMimjMCiNU Jq7B48aoyvkdq8gDTrWPVbqtw7RcqT5cqWVC38aDKl+RYVvuYHs7VKoVZOS9T8TR1dkL Yr72WedAYHRj6N7vORfyROxTpIscGJlAE/FyYT8Q2NaAAHc0O6wI9rz7y9sIWGlareiX YPfQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id o6-v6si10969758pgr.475.2018.08.10.13.43.02; Fri, 10 Aug 2018 13:43:19 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727441AbeHJXMd convert rfc822-to-8bit (ORCPT + 99 others); Fri, 10 Aug 2018 19:12:33 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:51857 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727197AbeHJXMc (ORCPT ); Fri, 10 Aug 2018 19:12:32 -0400 Received: from 1.general.jsalisbury.us.vpn ([10.172.67.212]) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1foEDX-0007LR-U6; Fri, 10 Aug 2018 20:41:04 +0000 To: dmilburn@redhat.com From: Joseph Salisbury Subject: [Regression] libata: sata_down_spd_limit should return if driver has not recorded sstatus speed Openpgp: preference=signencrypt Autocrypt: addr=joseph.salisbury@canonical.com; prefer-encrypt=mutual; keydata= xsFNBE8KtKMBEADJ3sa+47aMnk7RF/fn4a7IvRDV19Z1L2Qq1c6dxcvtXP9Mq0i95hBgPnNB 2FFJJ4QvJUJ6hYaniqgX3VkvKvjOcOwKz78NYF0HuIZqTTwd2qWpECXqtxPSOstvEGwY0nEC QE7e1kELFiQo/2GYwFn2sAGKKPEHCxO7lon1fLbP0Y262GxITgBL6/G6zLg+jxCRH/8INXYE lPOF9w+wY6rifwwtkax7NO/S56BNH/9ld7u4GT76g1csYlYP2G+mnkSmQODYojmz5CZ3c8J7 E1qSGnOrdx3+gJRak1YByXVn/2IuK22yS5gbXGnEW4Zb7Atf9mnvn6QlCNCaSOtk8jeMe0V3 Ma6CURGnjr+En8kVOXr/z/Jaj62kkmM+qj3Nwt7vqqH/2uLeOY2waFeIEjnV8pResPFFkpCY 7HU4eOLBKhkP6hP9SjGELOM4RO2PCP4hZCxmLq4VELrdJaWolv6FzFqgfkSHo/9xxeEwPNkS k90DNxVL49+Zwpbs/dVE24w7Nq8FQ3kDJoUNnm8sdTUFcH9Jp1gstGXutEga6VMsgiz1gaJ4 BtaWoCfvvMUqDRZTnsHjWgfKr3TIhmSyzDZozAf2rOSJPTMjOYIFYhxnR7uPo7c95bsDB/TL Rm38dJ2h5c0jJZ5r4nEQMAOPYxa+xtNi64hQUQv+E3WhSS4oXwARAQABzTFKb3NlcGggU2Fs aXNidXJ5IDxqb3NlcGguc2FsaXNidXJ5QGNhbm9uaWNhbC5jb20+wsF7BBMBAgAlAhsDBgsJ CAcDAgYVCAIJCgsEFgIDAQIeAQIXgAUCWc1buAIZAQAKCRBs7z0nylsUHmq2EACuSuxq7/Mw skF27JihJ/up9Px8zgpTPUdv+2LHpr+VlL8C3sgiwbyDtq9MOGkKuFbEEhxBerLNnpOxDp3T fNWXeogQDJVM3bqpjxPoTSlcvLuGwtp6yO+klv81td1Yy/mrd9OvW3n2z6te+r1QBSbO/gHO rcORQjskxuE7Og0t6RKweVEH5VqNc/kWIYjaylBA9pycvQmhzy+MMxPwFrTOE/T/nY86rJbm Nf9DSGryMvjPiLCBCkberVl6RExmP4yogI6fljvzwUqVktuOfWmvAFacOkg2/Ov5SIGZMUCP J1rxqKDfPOS54rptZ/czF0L1W8D2FNta8+DOKMgZQKjSh/ZvJsJ5ShbzXfij3Covz8ILi9WH IjX+vT7mKKhgMoVkxLELEDfxRTlisZAjtu+IiEa6ZhL0W8AEItl7e8OTqNqxguzY4mVVESzJ hrDgtnHZf52dZDPxlXgM7jVpBA+b2OQaahmWnBFewc6+7wxHSmw3uctkJB6qmgh5+lxVK9Cl 5jVs97wup4b6TvRB0vxo6Jg+y9HYSltTeJAL5uQZthR884rxvKFsuDNwi7GO7X/X7+EiFUy+ yrdFPuzcEKgOeaqpFLcwzoS1PP9Mp8rfdVs6mUsYrTdZEa/I/a7sTBYulV3fZocJdb0n7aW0 OJxB5Ytm+qhWGoWj/kJq3Ikkts7BTQRPCrXUARAAzu5JEmGNouz/aQZZyt/lOGqhyKNskDO5 VqfOpWCyAwQfCE44WZniobNyA6XJbcSMGXbsdSFJn2aJDl9STD1nY3XKi4bxiE0e6XzAA4XW 15DtrEi7pvkd7FMTppVHtpsmNrSMN/yWzsHNlnXfDP0S972SGyHGv+XNzCUqtiQngGTuY8NJ 3+BzQk4lgCIH3c/6nIiinqNUOGCwLgBwiE8IiHSm+RUj0foGAkdcuLjt9ufR8G5Hw7KWjI98 lg0R/JXLQFWgufheYMSEMJeElY0XcZ1c/iwL4TBeU5wu/qbgxd5jYTAKB2vRWAhrx5pOAEHv nOSKk06phE72TT2cQB2IgjtZDC96IorI6VPJsuEuser+E8gfswY+9Zfi97ltkZ3xwmM6JF4y JUl5vK04xkxPXTdQsdnQlXWyTsJsZORT96msBm3GNwrqp/xhvoGetDlzH8SOKBMNiQbR73Ul 5RP1er9n2Qp7wpg+S8Zq8NcVVBvLi17J845szP6YmakwCyb6X8Z0BBOnF4+MTNhKqEf/b2Fg ycj4vTn866usCMm8Hp3/0W+MyjKF52hz8MIe87c+GQKKDbovRGCXNvJ4fowLxV9MKMtftdOk TzwsAuk0FjkzPjo+d1p5UPruq47kZF1PUEx0Hetyt5frAmZaq4QV6jvC2V67kf1oWtlmfXiC hN0AEQEAAcLBXwQYAQgACQUCTwq11AIbDAAKCRBs7z0nylsUHuinEACUdbNijh6kynNNR0d2 onIcd5/XfkX0eCZhSDUJyawcB65iURjuLP6mvMVtjG0N7W5eKd4qqFBYWiN8fSwyOK4/FhZB 7FuBlaKxKLUlyR+U17LoHkT69JHVEuf17/zwbuiwjD1JF1RrK3PAdfj88jwrAavc6KNduPbB HJ6eXCq7wBr1Gh2dP4ALiVloAG0aCyZPrCklJ/+krs8O5gC3l/gzBgj8pj3eASARUpvi5rJp SBGaklNfCmlnTLTajTi5oWCf0mdHOuZXlmJZI7FMJ0RncBHlFCzDi5oOQ2k561SOgyYISq1G nfxdONJJqXy51bFdteX/Z2JtVzdi+eS7LhoGo0e7o7Ht2mXkcAOFqJ3QNMUdv8bujme+q8pY jL0bDYNanrccNNXCH7PrnQ26e1b41XdrzdOLFt07jbzNEfp5UPz5zz3F9/th4AElQjv4F9YJ kwXVQyINxu3f/F6dre8a1p4zGmqzgBSbLDDriFYjoXESWKdTXs79wmCuutBKnj2bAZ4+nSVt Xlz7bDhQT9knp59txei2Z9rWsLbLTpS2ZuRcy3KovqY93u3QHPSlRe7z8TdXzCwkqcGw0LEm Qu4cewutDo+3U3cY+lRPoPed+HevHlkmy1DAbYzFD3b7UUEZ5f4chuewWhpwQ2uC1fCfFMU0 p24lPxLL08SuCEzuBw== Cc: tj@kernel.org, linux-ide@vger.kernel.org, "linux-kernel@vger.kernel.org" , 1783906@bugs.launchpad.net Message-ID: <479e7a10-1fdc-5742-e488-3c36233a5393@canonical.com> Date: Fri, 10 Aug 2018 16:41:00 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi David, A kernel bug report was opened against Ubuntu [0].  This bug is a regression introduced in v4.15-rc4.  The following commit was identified as the cause of the regression:         2dc0b46b5ea3 ("libata: sata_down_spd_limit should return if driver has not recorded sstatus speed") I was hoping to get your feedback, since you are the patch author.  Do you think gathering any additional data will help diagnose this issue, or would it be best to submit a revert request? Thanks, Joe http://pad.lv/1783906