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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 61E8CC433DF for ; Wed, 1 Jul 2020 14:25:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3AF86207BB for ; Wed, 1 Jul 2020 14:25:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Les4jxi+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731493AbgGAOZz (ORCPT ); Wed, 1 Jul 2020 10:25:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731223AbgGAOZy (ORCPT ); Wed, 1 Jul 2020 10:25:54 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 70A45C08C5C1 for ; Wed, 1 Jul 2020 07:25:54 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id o2so23479934wmh.2 for ; Wed, 01 Jul 2020 07:25:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=bzxWUOb25TYvscIF9N4MMene00x35xMy0V9YTIPCvEw=; b=Les4jxi+eQeD1WT6Qp6mIFEtHFoL2Xnxk7pXe2myRsbelv7n1VGJ2KaPP5bueTaj+p Ws0ZeIj3EKbuDp54QOSPqNSrx1Vs5Rr5aWn7OVocTi4YjblOE5DyZS1ftrIfz9pYa/jr szUO3UsdDch3lGHQeL88e06vcoFSR2oq3tuxrUF0lLAHIa/retTlgJkr/Y3S+oYlUHoW VrkbrOKxnOT9vxZYzK6UVniGsbbZpTig8cJdpUcTP/yWj7Yn803bPMnqrL80zMkwwjIX Aux9sAXy7wImthnbVxLQU9n0Uj1rXSL1I4qY6sxjbaOn+7DM2PE51ZkTpb39UeHL8/OK ci3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=bzxWUOb25TYvscIF9N4MMene00x35xMy0V9YTIPCvEw=; b=WA9IlK8ca/65Al0wMyZJGKEp9Znv41V0GvzQsX/gQ0WF0Q/ZDQfJ19jfgdzP8iocVz vN+vBoICJzKWQtK6sKE+EcLlMehQhs8ZTHl5WoZ/kPCSnP8HFl13A7xfrI/6c3fMsig9 p4aUbrkSHNogPVv9lM4oYI0ToiE5+Qhin7C3pP8p6DA/Xbn6wDEC7oUf2wkcKoDDyJlk mZkf09jqZJ1bOex/89V0EVcWTA45Ev70hWmLn5mcl1wB3DwVW4lMv/n6PnHpJ3e4lZBV ajo5iZS4rnJhQy7wI9wt1E7kjJ35kZQaL4E8NSOQEPgWMsOBoilPTa7wWNBmKa4/JfL4 2Xjw== X-Gm-Message-State: AOAM533GgPM4HVcjKMfNyxdoGI/FMCWZIdjcOSCENccz/6gAQcmQHidC 83RAWQASzxbQEQM+ADK14YGegQ== X-Google-Smtp-Source: ABdhPJxNJbgGXlTsOmTodMV5Dfnt24WopKgYqjBK+3slHN4EbVmyAyteCotRWf0oQTewKCuWuIkiDg== X-Received: by 2002:a1c:e90a:: with SMTP id q10mr28362215wmc.140.1593613553010; Wed, 01 Jul 2020 07:25:53 -0700 (PDT) Received: from ?IPv6:2a01:e34:ed2f:f020:54f4:a99f:ab88:bc07? ([2a01:e34:ed2f:f020:54f4:a99f:ab88:bc07]) by smtp.googlemail.com with ESMTPSA id c2sm7658210wrv.47.2020.07.01.07.25.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2020 07:25:52 -0700 (PDT) Subject: Re: [PATCH v7 00/11] Stop monitoring disabled devices To: Andrzej Pietrasiewicz , linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org Cc: "Rafael J . Wysocki" , Len Brown , Vishal Kulkarni , "David S . Miller" , Jiri Pirko , Ido Schimmel , Johannes Berg , Emmanuel Grumbach , Luca Coelho , Intel Linux Wireless , Kalle Valo , Peter Kaestle , Darren Hart , Andy Shevchenko , Sebastian Reichel , Miquel Raynal , Amit Kucheria , Support Opensource , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , =?UTF-8?Q?Niklas_S=c3=b6derlund?= , Heiko Stuebner , Orson Zhai , Baolin Wang , Chunyan Zhang , Zhang Rui , Allison Randal , Enrico Weigelt , Gayatri Kammela , Thomas Gleixner , Bartlomiej Zolnierkiewicz , kernel@collabora.com References: <20200629122925.21729-1-andrzej.p@collabora.com> <3d03d1a2-ac06-b69b-93cb-e0203be62c10@collabora.com> <47111821-d691-e71d-d740-e4325e290fa4@linaro.org> <4353a939-3f5e-8369-5bc0-ad8162b5ffc7@linaro.org> <73942aea-ae79-753c-fe90-d4a99423d548@collabora.com> From: Daniel Lezcano Message-ID: <5dba166b-ecef-c9ee-a13a-0e9bbf74ce4c@linaro.org> Date: Wed, 1 Jul 2020 16:25:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <73942aea-ae79-753c-fe90-d4a99423d548@collabora.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On 01/07/2020 12:23, Andrzej Pietrasiewicz wrote: > Hi, > [ ... ] >>>> >>>> I did reproduce: >>>> >>>> v5.8-rc3 + series => imx6 hang at boot time >>>> v5.8-rc3 => imx6 boots correctly >>>> > > What did you reproduce? Timeout logging in to the test system or a > "real" failure of a test? Timeout logging. Boot hangs. >>> I kindly ask for a bisect. >> >> I will give a try but it is a very long process as the board is running >> on kernelci. >> >> I was not able to reproduce it on imx7 despite it is the same sensor :/ >> >> > > Could it be that the thermal sensors somehow contribute to entropy and > after > the series is applied on some machines it takes more time to gather enough > entropy? I assume you are talking about the entropy for random? It would be really surprising if it is the case. The message appears asynchronously, I believe the boot flow is stuck in a mutex. -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog