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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8B95C433EF for ; Mon, 1 Nov 2021 14:13:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 842C060524 for ; Mon, 1 Nov 2021 14:13:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232005AbhKAOPd (ORCPT ); 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