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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH 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 D1239C04AAB for ; Tue, 7 May 2019 07:01:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A17E4214AF for ; Tue, 7 May 2019 07:01:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557212508; bh=O7KdOdVyapD4tSCh0cvzdvPhsMRl+yh9MUrVvXsiLnw=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=rG2leoWwauwbWj/2dRPLpB9czxmtwCT/d/ri4DE42aWLN0hfNUwHRAfBSouoi0A1/ VtXOfgz5bSIan0ev8j4is9LhscsAx30NlXeZNtG4rEV1yFhZatPbZEJPdPaXTVS3qk YAs8fmO4gnutR4UgMhyDmW8gMeRlaO/FlrzBPUIM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726691AbfEGHBs (ORCPT ); Tue, 7 May 2019 03:01:48 -0400 Received: from mail-ot1-f68.google.com ([209.85.210.68]:36504 "EHLO mail-ot1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726322AbfEGHBr (ORCPT ); Tue, 7 May 2019 03:01:47 -0400 Received: by mail-ot1-f68.google.com with SMTP id b18so13917053otq.3; Tue, 07 May 2019 00:01:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=zKMbIttCgzcVVkRNu5fztyhWx+BL/3mOVoqyvi0NAEI=; b=INSgcKv8O9yM65+VKqHoMOrNHbmlcEnHOVbaCQOGmt0PIZC9v+jY+T8l/YedGA5NA/ Tz+qZPZ6yZNqFT/CK02u6QG74NWhUgkOr+nAw/XnxufPoizP/znYNYR6UvgAoH6RSot3 Qtnkr2Gu+NlLSZkbT1vC0qUNTcyBWXp0alwHZ0xOETpG2m5UoJaUs5b3siE7wEY2C44A /VEzhFCZ/DsDN2t1bOfBmP3N1MOOvUF/3QZSD0OfwmuF2Gfz4gE/9nbeMkakfGUF+AVn KjV97vEHwb4/wwI88lcpGfze914MRqPgIEf4fZsZGDYq2o3gzCIkEq/Z+usY809PiwxL fA/g== X-Gm-Message-State: APjAAAWjshv6yrOs7FjIStrYJZnaE7Mu+mxWsg5RK/0NvCvpYmGmH3he i5ztm6LkBFBO4cALu3OnYbeUbyxpo+gnkRebga8= X-Google-Smtp-Source: APXvYqx5HZyzDhKKw/pMsuceYuNU8AOS/SQGy+9vmSPw9U4np+bboCTLUqSXmY0Nhp2RD3+3Fq6+UQEkP8tUjoPf56M= X-Received: by 2002:a05:6830:1251:: with SMTP id s17mr17144503otp.186.1557212506581; Tue, 07 May 2019 00:01:46 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: "Rafael J. Wysocki" Date: Tue, 7 May 2019 09:01:34 +0200 Message-ID: Subject: Re: [Kernel 5.1] ACPI_DEBUG messages without CONFIG_ACPI_DEBUG being set To: Gabriel C Cc: ACPI Devel Maling List , LKML , "Schmauss, Erik" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org +Erik On Tue, May 7, 2019 at 1:33 AM Gabriel C wrote: > > Hello, > > while testing kernel-5.1 I get on one of my Lenovo Laptops very > strange 'ACPI Debug:' messages. > > After some grepping I realized these are Debug messages from DSDT , > however my kernel does > not have ACPI_DEBUG enabled. > > I found out the module triggering this, on this Laptop is > ideapad_laptop , but looking at the code > I cannot see what would causes that. > > Also on the same Laptop with any 5.0.X kernels I cannot see these. > > > ~$ grep -i ACPI_DEBUG /boot/config-5.1-fw1 > # CONFIG_ACPI_DEBUGGER is not set > # CONFIG_ACPI_DEBUG is not set > # CONFIG_THINKPAD_ACPI_DEBUGFACILITIES is not set > # CONFIG_THINKPAD_ACPI_DEBUG is not set > > .. dmesg .. > ... > [ 68.020812] calling ideapad_acpi_driver_init+0x0/0x1000 > [ideapad_laptop] @ 1322 > [ 68.026708] input: Ideapad extra buttons as > /devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/input/input16 > [ 68.038236] ACPI Debug: "=====QUERY_64=====" > [ 68.050232] ACPI Debug: "=====QUERY_65=====" > [ 68.060218] ACPI Debug: "=====QUERY_64=====" > [ 68.092216] probe of VPC2004:00 returned 1 after 71386 usecs > [ 68.092245] initcall ideapad_acpi_driver_init+0x0/0x1000 > [ideapad_laptop] returned 0 after 69751 usecssg > > ... > > These =====QUERY_XX===== messages are from DSDT: > > ~/acpi$ grep QUERY dsdt.dsl > Debug = "=====QUERY_11=====" > Debug = "=====QUERY_12=====" > Debug = "=====QUERY_24=====" > Debug = "=====QUERY_25=====" > Debug = "=====QUERY_37=====" > Debug = "=====QUERY_38=====" > Debug = "=====QUERY_64=====" > Debug = "=====QUERY_65=====" > > Also this is the code from DSDT for QUERY 64 and 65: > > ... > Method (_Q64, 0, NotSerialized) // _Qxx: EC Query > { > Debug = "=====QUERY_64=====" > If ((OSYS == 0x07D9)) > { > If (((WLEX == One) & (WLAT == One))) > { > SGOV (0x02040005, One) > } > Else > { > SGOV (0x02040005, Zero) > } > } > } > > Method (_Q65, 0, NotSerialized) // _Qxx: EC Query > { > Debug = "=====QUERY_65=====" > If ((OSYS == 0x07D9)) > { > If (((BTEX == One) & (BTAT == One))) > { > SGOV (0x0202000B, One) > } > Else > { > SGOV (0x0202000B, Zero) > } > } > } > > ... > > > Any idea what would cause this ? > > BR, > > Gabriel C