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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=unavailable 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 1E600C282C0 for ; Fri, 25 Jan 2019 17:58:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ECC68218B0 for ; Fri, 25 Jan 2019 17:58:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729254AbfAYR6A (ORCPT ); Fri, 25 Jan 2019 12:58:00 -0500 Received: from mga04.intel.com ([192.55.52.120]:18539 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726362AbfAYR57 (ORCPT ); Fri, 25 Jan 2019 12:57:59 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jan 2019 09:57:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,522,1539673200"; d="scan'208";a="119489396" Received: from jldaniel-mobl1.amr.corp.intel.com (HELO [10.254.181.12]) ([10.254.181.12]) by fmsmga008.fm.intel.com with ESMTP; 25 Jan 2019 09:57:58 -0800 Subject: Re: Regression found (Stop-marking-clocks-as-CLK_IS_CRITICAL) To: Mogens Jensen Cc: Hans de Goede , Dean Wallace , Andy Shevchenko , Stephen Boyd , Michael Turquette , linux-clk , Stable , Johannes Stezenbach , Carlo Caione , Andy Shevchenko , Linux Kernel Mailing List References: <20181025232517.ywnw54qibemosjws@picard> <3e12e051-b874-187d-d4f5-e146f59c659b@redhat.com> <20190117091214.7djttnpo4jjzi4su@spock> <983fb777-df22-1b53-acea-8bbcab23b260@redhat.com> <43070180-1f10-9285-7564-cfa24e1d222e@linux.intel.com> <3ERhUwlxf4lWV_mn3MgjNMrm8ZDgFevrwjq0KRjy05oM1hGiQUdsPpbIlKytNGHi1ViQ_2Xv7bxzqusfruSjbZJyUSpQ9Uo8HCiNyUdyNdU=@protonmail.com> From: Pierre-Louis Bossart Message-ID: <1305936b-908d-e256-cc2a-667b6e5e0851@linux.intel.com> Date: Fri, 25 Jan 2019 11:57:57 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <3ERhUwlxf4lWV_mn3MgjNMrm8ZDgFevrwjq0KRjy05oM1hGiQUdsPpbIlKytNGHi1ViQ_2Xv7bxzqusfruSjbZJyUSpQ9Uo8HCiNyUdyNdU=@protonmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> The only minor annoyance I'm experiencing now, is a large amount of debug output from something in kernel log when audio is played on the system: >>> writing to lpe: 00000000: 01 01 01 01 00 00 08 00 ff ff ff ff 55 00 00 00 ............U... >>> writing to lpe: 00000000: 01 01 01 01 00 00 1a 00 ff ff ff ff 75 00 12 00 ............u... >>> ... >> That's enabled via dynamic debug so that's rather a configuration issue >> than a kernel problem? > Do you have any suggestions on how to disable it? > > My kernel is compiled without DYNAMIC_DEBUG, DEBUG_FS and other debug features, so I don't understand why all this debug output is flooding the kernel log. > > It's a minor issue, but it would be nice to get rid of it. I can confirm that this happens without DYNAMIC_DEBUG, and somehow changing the log level doesn't seem to matter. I tried changing the console log as a kernel parameter or with playing /proc/sys/kernel/printk, no luck. weird.