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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 90D08C6778A for ; Thu, 5 Jul 2018 14:00:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53F3324073 for ; Thu, 5 Jul 2018 14:00:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 53F3324073 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=cosifan.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753904AbeGEOA3 (ORCPT ); Thu, 5 Jul 2018 10:00:29 -0400 Received: from mail2.cosifan.de ([85.239.105.221]:47526 "EHLO mail.cosifan.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753417AbeGEOA1 (ORCPT ); Thu, 5 Jul 2018 10:00:27 -0400 X-Virus-Scanned: amavisd-new at cosifan.de Received: from [192.168.216.41] (unknown [192.168.216.41]) by mail.cosifan.de (Postfix) with ESMTPSA id E2821A03EE; Thu, 5 Jul 2018 16:00:14 +0200 (CEST) Subject: Re: [REGRESSION 4.17] Spurious wakeup / reboot with power button To: Takashi Iwai , "Rafael J. Wysocki" Cc: "Rafael J. Wysocki" , Linux PM , Linux Kernel Mailing List References: <1999215.6UrMtQZ5Bj@aspire.rjw.lan> From: =?UTF-8?Q?Thomas_H=c3=a4nig?= Openpgp: preference=signencrypt Autocrypt: addr=haenig@cosifan.de; prefer-encrypt=mutual; keydata= xsDiBDy8NoURBACtgvNVUTFG6T3wOZkSzdJ26LEkXupbS8jCaEmAug7cR/dQcUbNhMaR6ijp LBmLoCCA/9Yvz6GTdeIKjlY3wJ+NyUMP5R85NsPv9+EjVK6YAIQekhcg6WfcjE6gCsLLBO+M nwTaWqLo/Q3q2l18VgB8VNLpFkIzsZG1F0JbpBqajwCglsmt8eQgng+DqoTSZjnkaOj1K4EE AIDk4KmByPpQi3kvCoBdQGSmHBN0MowKIMcDGUigVcokcdrDTmL1CFNGavj0wOkP4wl3kIPs 2zNcVW2WNMgAvhAmaz8w1lfn7p0ax1pUVbC46NwPyaYp2YPwKL+cEiYbFJwKZzihxAXCzxc9 vQbfzvFYw+6C2+HWMXZW3cLKTrH4BACY5QDpUjG2iiD99EHZqg6bcI1pXnksGJOMg6MSSR9w bxKK0qiMSSS5JG7PRk3YgNrtTbEb9neviXkdSh1ItDF4HXJZlj2duCXwQwkIOCWCmYdEO8QU moxZbLiBC7zE6fhr0B/MOMIOyPYPPJF89POi09sHdP7cYSDbWrGo2tcICs0rVGhvbWFzIEhh ZW5pZyAoQ29zaUZhbikgPGhhZW5pZ0Bjb3NpZmFuLmRlPsJgBBMRAgAgBQJJyNJ2AhsjBgsJ CAcDAgQVAggDBBYCAwECHgECF4AACgkQoLaSaJmIjTb0nQCfbTOUH79OLDX1mrBjzvdVs7z3 V2EAnR3gqGqEpazK2gZvVGYOfGpaFrWWzsBNBDy8NogQBADCdQ/wJ5xopgje7lpWCXfRQLqR vKtknjybZxyVpgHQqvTXQj9HK96uPgkCFMwBONTYuQwHKpBjz+1iQRjS6vjSpWj0nSup1dQd DB8ZS0ztWr5yUWX4aVQS46v0KEbXVBr0cENVZojcZ06J0MeckR4gsMEzXDedgUKfga6oacz+ 1wADBQQAqS98DcPG7pfFGkP1VLxlWQMUXcLOQhiVBq2uLczTiS5Axzab5mnI22/nDBn4cFYQ dU2Swc97pD8ZuE1rr7mfSuoZ1Vupv95TKDZ7KHNfSNKM7hHF69dbWbutOUg/Eg0fMvKrsdjm F/XA0VlF03XXgw6xTNwuca4v4IAG6pxVpC7CRgQYEQIABgUCPLw2iAAKCRCgtpJomYiNNunp AJ4piTdHnixDPkGiNgVNA4iW7P+hAwCfRGZcwHPpxIqnDkeibEmvO6qcRYs= Message-ID: Date: Thu, 5 Jul 2018 16:00:14 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 05.07.2018 um 14:12 schrieb Takashi Iwai: > On Thu, 05 Jul 2018 12:41:03 +0200, > Rafael J. Wysocki wrote: >> >> On Thursday, July 5, 2018 11:50:11 AM CEST Takashi Iwai wrote: >>> On Thu, 05 Jul 2018 11:34:59 +0200, >>> Rafael J. Wysocki wrote: >>>> >>>> Hi, >>>> >>>> On Thu, Jul 5, 2018 at 9:05 AM, Takashi Iwai wrote: >>>>> Hi, >>>>> >>>>> we've got a regression report since 4.17 about the behavior of >>>>> power-off with the power button. When a machine is powered off with >>>>> the power button on desktop, it reboots after a few seconds instead of >>>>> power down. >>>>> >>>>> The manual power down via "systemctl poweroff" works fine, so it's >>>>> possibly some spurious wakeup by the power button action, and some >>>>> ACPI-related change is suspected. >>>>> The regression still remains in 4.18-rc3. >>>> >>>> There are only a few ACPI commits directly related to power management >>>> between 4.16 and 4.17 and none of them looks particularly suspicious. >>> >>> OK, interesting. >>> >>>> It looks like the power button state may not be cleared sufficiently >>>> after it's been pressed which is now visible for some reason. >>> >>> Hmm, where can such a state remain? Since it happens after the >>> machine turned off, some (ACPI) wakeup bits? >> >> Basically, yes. >> >> It looks like a GPE may remain active which then triggers wakeup after >> shutdown. >> >> On a hunch, I'm wondering if reverting commit >> >> 18996f2db918 ACPICA: Events: Stop unconditionally clearing ACPI IRQs during suspend/resume >> >> (may not revert clearly, though) makes any difference. > > OK, I'm building a 4.17.x test kernel with that revert, in OBS > home:tiwai:bsc1099930 repo. > > Thomas, could you try later the kernel in > http://download.opensuse.org/repositories/home:/tiwai:/bsc1099930/standard/ > ? It'll take an hour or so until the build finishes. With your new built kernel 4.17.4-1.g6f23755-default the power button works again, so the revert solved the problem Thanks Thomas