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=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, 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 19E2BC43381 for ; Wed, 27 Jan 2021 17:39:18 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 53B5F64DA0 for ; Wed, 27 Jan 2021 17:39:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 53B5F64DA0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 5A35D16FF; Wed, 27 Jan 2021 18:38:25 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5A35D16FF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1611769155; bh=ejSVIa1337YHKZ6Qtegw2vyw8LAyhZdJiuvitgbGKMc=; h=Subject:To:References:From:Date:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=XNfgs3YrUihH+WrK8xxjExv7M6id1IJSz1WhD7tIEg/mVWgUzymlshL1oFuuvrDHQ 0Z1sZQrDCrl7gOIwnkoMTLzqGdXXPgnC/sAEVwkgd87mrpIOKjMeDddj3BPchBKkNV TY14m6uYgLWGJ6RINa8nyvd3V1t+xUAU42cFe1ao= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 1A90BF800F0; Wed, 27 Jan 2021 18:29:06 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 0D88DF80259; Wed, 27 Jan 2021 18:28:45 +0100 (CET) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 7A2A5F800E9 for ; Wed, 27 Jan 2021 18:28:35 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 7A2A5F800E9 IronPort-SDR: SWn+iKInKtDeghr4j99k5cvAmSY4UHgohZAhId7KaI1w79vQOIsMFblCWwL2cIX+C/5sc32l8z IFEIldPJSgOw== X-IronPort-AV: E=McAfee;i="6000,8403,9877"; a="167777438" X-IronPort-AV: E=Sophos;i="5.79,380,1602572400"; d="scan'208";a="167777438" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2021 09:28:27 -0800 IronPort-SDR: hqDu3WS98TI7yoUuuPLr0IGqC4vI5OKQ7KDoEZ5zKepMYEJUbi+SCSgN8H+T+Y0GJ4Se7+wqZW RYnh0wazBLIA== X-IronPort-AV: E=Sophos;i="5.79,380,1602572400"; d="scan'208";a="388402900" Received: from susiezhx-mobl.amr.corp.intel.com (HELO [10.213.180.238]) ([10.213.180.238]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2021 09:28:27 -0800 Subject: Re: Crash in acpi_ns_validate_handle triggered by soundwire on Linux 5.10 To: =?UTF-8?Q?Marcin_=c5=9alusarz?= References: <1f0f7273-597e-cdf0-87d1-908e56c13133@linux.intel.com> From: Pierre-Louis Bossart Message-ID: <1dc2639a-ecbc-c554-eaf6-930256dcda96@linux.intel.com> Date: Wed, 27 Jan 2021 11:28:25 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Cc: "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." , "Rafael J. Wysocki" , "Rafael J. Wysocki" , ACPI Devel Maling List , Vinod Koul , Bard Liao , Len Brown X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" > Weird, I can't reproduce this problem with my self-compiled kernel :/ > I don't even see soundwire modules loaded in. Manually loading them of course > doesn't do much. > > Previously I could boot into the "faulty" kernel by using "recovery mode", but > I can't do that anymore - it crashes too. > > Maybe there's some kind of race and this bug depends on some specific > ordering of events? missing Kconfig? You need CONFIG_SOUNDWIRE and CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE selected to enter this sdw_intel_acpi_scan() routine.