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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 74E0EC3F2D7 for ; Thu, 5 Mar 2020 20:53:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 425F420732 for ; Thu, 5 Mar 2020 20:53:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="emYpPA3l" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726099AbgCEUxw (ORCPT ); Thu, 5 Mar 2020 15:53:52 -0500 Received: from mail-lf1-f66.google.com ([209.85.167.66]:39730 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726067AbgCEUxw (ORCPT ); Thu, 5 Mar 2020 15:53:52 -0500 Received: by mail-lf1-f66.google.com with SMTP id j15so69025lfk.6; Thu, 05 Mar 2020 12:53:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=2KasUeTov3Iw2HXiiprNA5ee9+CQCJKivm7obiFhEe0=; b=emYpPA3lwmagjxLQrN7hOshjMl8UIaFQhqWX7XThbP17if6K/RO0X+R8H2jyR0r94r kDWSwWrwjC16Djfg3KgorsGICCXTIQIY9z2ohUQAL/vwHP+wDjgw53/pdLuh09MunUYu KPHCSohREW/JxoSXJjX9n97t4TQ0UITizYa7P/MVRilYIAkNaL7Oix6mQ7cLaWYilh06 gOMJjjTaDUx+u0SX64cuW5X5jB6Heh+j4BfTtvtGRkz0fL1hq9qU9RJ569QvT8/ON9FQ fiYifzMErQSw0ucg5XwHrC7KyuEYjG2vd7OZEfR412EKyaUSQ5crApolcxcmnLYgwsSX N0yQ== 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=2KasUeTov3Iw2HXiiprNA5ee9+CQCJKivm7obiFhEe0=; b=EUbYtjodsxVIZUSc7O+b8UboxpDCNU/VNKWlk6zF79vFvEobx+mNiX/YS1RLT7Htba btUP7h394QLU80pimUyD1aJO1fUzJm9Jf0HndK6JMam8Xex0cVK+p4Yh5MB3OMhpzNOE updE9UehPME5utg1rf5ukkqSokT6601GG07PrhlQOcolDh4EWGI35tMaXe/FeQ0h2AzI 9OcORrkvrrhZG/mIT8S8DKWYogpMnGE7haY+0WvcdTXnmNTmj2jP3G0X2218H+Tx/ohu LIKedHxSZDiZlwvJWGoa0NgQhmI756HCWF+94vPlg3HtHgkQ8PncF6vA45JFWdZxEHrU 4qCQ== X-Gm-Message-State: ANhLgQ0shCDPVHuNvzmM+CyxX/lYo8/Wm35qzvQ0fk5npK2YcDuT1QHW zQRaTz00auYF4oBaAdP2xAg5ChVh X-Google-Smtp-Source: ADFU+vvRMIiq4W1yOGnXxxBP538xqSv0pRQORtTGNjWwpqNqnxgYKDjHdvXnAf3ZftuR2c50ZGco9A== X-Received: by 2002:a05:6512:1085:: with SMTP id j5mr245361lfg.183.1583441628100; Thu, 05 Mar 2020 12:53:48 -0800 (PST) Received: from [192.168.2.145] (94-29-39-224.dynamic.spd-mgts.ru. [94.29.39.224]) by smtp.googlemail.com with ESMTPSA id b4sm10356716lfb.47.2020.03.05.12.53.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Mar 2020 12:53:47 -0800 (PST) Subject: Re: usb: chipidea: udc: BUG: sleeping function called from invalid context To: Peter Chen Cc: "linux-usb@vger.kernel.org" , "linux-tegra@vger.kernel.org" References: <20200305021226.GA12837@b29397-desktop> From: Dmitry Osipenko Message-ID: <7a142dd4-9ae8-2560-e5be-25648f88a864@gmail.com> Date: Thu, 5 Mar 2020 23:53:46 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200305021226.GA12837@b29397-desktop> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org 05.03.2020 05:12, Peter Chen пишет: > On 20-03-04 19:10:08, Dmitry Osipenko wrote: >> Hello, >> >> I was trying out today's linux-next-20200304 and noticed this splat in KMSG: >> ... >> I haven't tried to figure out what change causes this problem, it didn't >> happen using next-20200218. Please take a look, thanks in advance. > > Dmitry, thanks for reporting. I haven't met that issue, it maybe I > enable runtime pm, but you have not? So I don't trigger > "dev->power.runtime_status != RPM_ACTIVE" condition below > > might_sleep_if(!(rpmflags & RPM_ASYNC) && !dev->power.irq_safe && > dev->power.runtime_status != RPM_ACTIVE); The runtime PM always presents on Tegra, do you have CONFIG_DEBUG_ATOMIC_SLEEP=y in the kernel's config? > I send the fix patch, but git send-email seems doesn't add auto cc > according to reported-by tag, so you are not at cc list. Would you > please have a test? It fixes the problem, thanks!