Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp3068478pxb; Mon, 1 Nov 2021 07:17:47 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxICjj9IbOJnKEMN09CIDV+gkZ61M7FomcnCgW20b+Qim/vdH92Ag7JeBIT+j9st0SyOpOG X-Received: by 2002:a05:6402:280e:: with SMTP id h14mr41937070ede.78.1635776267102; Mon, 01 Nov 2021 07:17:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1635776267; cv=none; d=google.com; s=arc-20160816; b=kKymwcKUHOsxIQClBgRFcRO1mR6eYnXViBGq65Ij8PRa7ovLnrwJwA6m9dXiOTUhaJ Tq1frFYfHrKlo+9lkY6rao03TDjMOfRyxkR7b/zXjj+/aofJt8dNi/9sDx08ppvdPhLM TsHYD7Al7d8njSWf5j6lIcPTE+ubPEnLwwPpt7xteRUh1wKFF5nJFLhjnT8o5HYLZzq+ iPrgYDnCFYhin06Pd7YAUWwY1fQGXdg6YV5ci1dYxjkvOGCELx5eo7mSTe3bRaffZVTh G9YgHVOYxKZDKPO8VujsKxV5SlufxBUIkCPakg0vA9TA146NGu/cafS6f1cO0hn+ONnX grxQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:organization:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=RWYR1j1rQySd2GYBZnCD5vSRqCLN83geTmjE/ZWRyXk=; b=WGyquB7UBGCW6oSaBsZqQCoZAfrjjS795UEjnSF9orNjjhK9gWywe8LtI3xk/fD3p7 pmGpA72jX6vQ16MbQpo3V5cR4h8O5+KzyMl4eGxsQyLluRW0+VAEZE88lNZ8YGcIA8Lq kvDcN5G6Ep6xUvMOzkYax1ZbgROQp42k5YnIxj2GqDgrfkEGaUE80QS5kOsLsA+UwsJp ufzcVfA8YOmZ0Q2eRBnPyT/J3iK0j5OTwjAUFAaVETulgWYP5Aft2DKQN/kVo6u7bF2G Aa9f2V0DBitos9NLvPr32u6BgVBVJSSZqfLLD/GdqrlkfHfmW/t53dWv6ALj4um55JC5 zwDA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b7si27448264edz.148.2021.11.01.07.17.22; Mon, 01 Nov 2021 07:17:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231366AbhKAOPd (ORCPT + 99 others); Mon, 1 Nov 2021 10:15:33 -0400 Received: from mga04.intel.com ([192.55.52.120]:48045 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231882AbhKAOP3 (ORCPT ); Mon, 1 Nov 2021 10:15:29 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10154"; a="229749026" X-IronPort-AV: E=Sophos;i="5.87,199,1631602800"; d="scan'208";a="229749026" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Nov 2021 07:12:55 -0700 X-IronPort-AV: E=Sophos;i="5.87,199,1631602800"; d="scan'208";a="449269433" Received: from smile.fi.intel.com ([10.237.72.184]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Nov 2021 07:12:53 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.95) (envelope-from ) id 1mhY3A-002gyP-V2; Mon, 01 Nov 2021 16:12:36 +0200 Date: Mon, 1 Nov 2021 16:12:36 +0200 From: "andriy.shevchenko@linux.intel.com" To: Aditya Garg Cc: "mika.westerberg@linux.intel.com" , Lee Jones , Orlando Chamberlain , "linux-kernel@vger.kernel.org" Subject: Re: [REGRESSION] Kernel 5.15 fails to boot on Apple Macs with T2 chip. Message-ID: References: <7A40981F-AA9A-462E-81D2-CE1FFA5174CA@live.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <7A40981F-AA9A-462E-81D2-CE1FFA5174CA@live.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 01, 2021 at 12:52:56PM +0000, Aditya Garg wrote: > I remember facing this issue on 5.15-rc3 also. Though I am not sure about rc2 and rc1. Stop top-posting! > > On 01-Nov-2021, at 6:14 PM, Aditya Garg wrote: > > > > Due to some issue in intel-lpss-acpi, kernel 5.15 fails to boot on Apple Macs with T2 chip in 5.15. As a temporary workaround, "# CONFIG_MFD_INTEL_LPSS_ACPI is not set” has been set in the kernel configuration so that it does not interfere. What issue? Can you bisect and/or describe better what exactly is going on? > > You are requested to fix this issue. What? We may not fix the thing we don't have even clue about... -- With Best Regards, Andy Shevchenko