From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7CC6613B290; Mon, 8 Jul 2024 13:51:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=192.198.163.17 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720446691; cv=fail; b=no85oJe42lZPGh0LMYr3I8oQ/gi4Ey+qeO+X+CvkyHhmvdM8XQZGB4GuedC543Er+wA60O+TthLsGkVJBGPt9r0PKZf258CWz5fq4a7MdatVpce+2HlI6VI02QY0aUDfXcZQVkj9/BPPRdj3eUy7L+aQcqzQRH8BSeCOb14nPDM= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720446691; c=relaxed/simple; bh=0Qxh5+2u+LtRdHkaz6xMPXgb02zn8aNkkQLjWO3ipeE=; h=Message-ID:Date:Subject:To:References:CC:From:In-Reply-To: Content-Type:MIME-Version; b=NzIQJfIf2u2jvYRBFn+tHk3F935Bcy0F80l6JPSPpLmBmup4M1uzY07KIqFrXWTI4mkGajAb3pIhOEcsNdp0A4qtCD5EVJ2hzrdpL3mXQLWI0fHzg9IydVugyKEGdixuUrA/vFLrTryk8e6/chXyZufAzXAzCsA2tJJILa79y+U= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=nJsW/NXX; arc=fail smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="nJsW/NXX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1720446689; x=1751982689; h=message-id:date:subject:to:references:cc:from: in-reply-to:content-transfer-encoding:mime-version; bh=0Qxh5+2u+LtRdHkaz6xMPXgb02zn8aNkkQLjWO3ipeE=; b=nJsW/NXX5r6OMlCfB+1PikM9AOP92bMI+9pMaGhgzB1ZtmAPfjyp3zKn e1+BV8Y1zoXOf7HJkrduMnGYFGvHSRsgghsOzUXcknfYPfiQiy1kRSsJq dGNjvlNRXePI5BCb0B71cIm/760cRENmHynOc+VzVe8+1kcFhEClsL8tD 5LHh/qqG3jtSaDun742z/KwRCzlaO7d9tnDmnKH0uM8k1ua/+hjg1XsNy fcZLlgkuX8LN/Plu+tFDBHu4uMsdnCV2faXwXhplFFKxP6+7V05HK4DAX JEkEucY9rJ8B6U5fv2eAnbMj9BljEYb31ZtTkjEiH/AnutQveafjYPk4D g==; X-CSE-ConnectionGUID: ehlk/McdQYuFnOqog3rqYw== X-CSE-MsgGUID: 4Je5kVVrSU2ctxUoV9NQww== X-IronPort-AV: E=McAfee;i="6700,10204,11127"; a="17520930" X-IronPort-AV: E=Sophos;i="6.09,192,1716274800"; d="scan'208";a="17520930" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2024 06:50:52 -0700 X-CSE-ConnectionGUID: RwaVM2mKSF++5zS8kZ5yOQ== X-CSE-MsgGUID: 86PFYAZFTWa51B9JzAyDLw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,192,1716274800"; d="scan'208";a="52111800" Received: from orsmsx601.amr.corp.intel.com ([10.22.229.14]) by fmviesa004.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 08 Jul 2024 06:50:25 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 8 Jul 2024 06:50:24 -0700 Received: from orsmsx603.amr.corp.intel.com (10.22.229.16) by ORSMSX610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 8 Jul 2024 06:50:24 -0700 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) by orsmsx603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39 via Frontend Transport; Mon, 8 Jul 2024 06:50:24 -0700 Received: from NAM11-CO1-obe.outbound.protection.outlook.com (104.47.56.168) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 8 Jul 2024 06:50:24 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ndxY+G6q7ND86jq1qMajhTzCTmZ5U7hI+cyEuAZM5rdtVLvAEjQkRUgnPE9ObGPM8/1QbQzejQSLjqKbRzbLK1QzxJGec2i0yTdGa7JAYuzHwBpVl7KdDfnSngk1QvJbouno7Z9QXPa3jdtVzDT8oaT+iOYWWzoZZof6hWDW2GsMxBJBlK4cmryX5BUh/3MNZkAe03yx+HCtD4lBN5J/8yS1NDg+sI9fObMZBh6pBsc6pF5ECaHGdMDfQ/8cK1x5tuTusIaHOzUx0gVQX1jL6zq8M/EiNVwqSa0RSed4gwW/Ys2blKMGDHfzQJPExcwi3iSbC8g5B6i8mu9fi4oqdw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Ru9hnRCOz+6zXu5DloFMSuho/qXTfKfed9sBQ/jz93M=; b=E4dEq9l5zHxAJovbTQxiB9MC+JE/2cG1PLQMc+yGZJ6Nk9mRv6SRtftmX0YsoRBfStpwWzi1vBj3HM33LMkYhFaLhfmNtBEdPzZVWxaDwo6lABX6SaCjICTcXS08xNVfGFbMRuOGmtFs0NdoExZNxfdeGuJtk4e+4t38Ep6mj4k150y9yz8PrtfTKcsuRInGJ3qG6nR/y5r2Cu/g4Des5QSPkD+K3e4UdgGYbDWFZS8Tn+khhQ1xI1zzJDstV1XWs7dkRLbXg36OvR8FZNinTsRhU8ANRqHn21aT7c8vaV+PMtpUDNePs4+QKtKrrTzViaD2lvbTcitCQtedHQc5VQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from MW5PR11MB5810.namprd11.prod.outlook.com (2603:10b6:303:192::22) by MW3PR11MB4729.namprd11.prod.outlook.com (2603:10b6:303:5d::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7741.35; Mon, 8 Jul 2024 13:50:22 +0000 Received: from MW5PR11MB5810.namprd11.prod.outlook.com ([fe80::3a48:8c93:a074:a69b]) by MW5PR11MB5810.namprd11.prod.outlook.com ([fe80::3a48:8c93:a074:a69b%4]) with mapi id 15.20.7741.033; Mon, 8 Jul 2024 13:50:22 +0000 Message-ID: <67d74985-7be5-4e29-aab2-97a08208ca3f@intel.com> Date: Mon, 8 Jul 2024 15:50:16 +0200 User-Agent: Mozilla Thunderbird Subject: Re: Regression in 6.8 from "ACPI: OSL: Use a threaded interrupt handler for SCI" To: Stefan Seyfried References: <205bd84a-fe8e-4963-968e-0763285f35ba@message-id.googlemail.com> Content-Language: en-US CC: LKML , "linux-acpi@vger.kernel.org" From: "Wysocki, Rafael J" In-Reply-To: <205bd84a-fe8e-4963-968e-0763285f35ba@message-id.googlemail.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: ZRAP278CA0018.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:10::28) To MW5PR11MB5810.namprd11.prod.outlook.com (2603:10b6:303:192::22) Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MW5PR11MB5810:EE_|MW3PR11MB4729:EE_ X-MS-Office365-Filtering-Correlation-Id: 67e4d325-68be-46ca-2e09-08dc9f54e979 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?a2REVEtNK3VQR1NCT2cvNkxqcGlDUHZpdjQ4NkJ2S1VnRW9aNFRnLy9tVzdq?= =?utf-8?B?cU9TbW5sQ3ByN3BIekxZTnFNOXd1WkRyR3RzMktFU0pwQlp1L1dBMTFrN0tw?= =?utf-8?B?aUJEMkw2WGdDK0Q2SnpZSlNDZTJ1aFhmd09ITU04Mm51WE5sUHJnKzF1d3hi?= =?utf-8?B?TXJLL1V6bEtwWU52V0V6SW5wT1BKdG5NY0pKUHRBcHExMTVwSDdEYm91NWJY?= =?utf-8?B?bGhNZ3NoaEF0Njc4bDBPaFNVdUwwRmlwVHhGN0xJUmF3MTBoR081dkVZK0dl?= =?utf-8?B?TzZHcmZjSlBSUVlka082V0FraWhGS0Vua2tEMStXTWNRRHhKakxjZ3FNK0VG?= =?utf-8?B?ZTJEY1Z3aUdzU1hoRi8yczJoSHJrU1RwMVlUL1d4ZlJURm5SM2lRd1VQbjY2?= =?utf-8?B?REhRME5HMGgyRzhvZk0xbk1FaEhqZlU4VmtoV2k3clpXazRqUDJPcmNIYmZ3?= =?utf-8?B?WHc5ci80ZGVLTTZ3UFdJbE81cVZsbnpxUkNZUjdwdmt3d1hVbTBxU1RLRzBD?= =?utf-8?B?ZVh3UDV5SjlVTzNXemduS1hhWTVWMEhqandwbWxPQng2UEVmTmw4QXB1NUp0?= =?utf-8?B?QWFQa0RZMDBBMDYxbmVNS2gxYmNZM3djQlE1SVBKbVZSZnBhL0syOTBPSDRa?= =?utf-8?B?cGEwMXMxTEZsVXZsS3dpVjlISmQyY0loMjZiZVBmUjNRMW5tdGdvN3prbzFZ?= =?utf-8?B?eXZ6L2Y1Z1VqRnJRY0FiMkdscGgyTE5ZY3BQSVVNZE1KVzRGbFpWYzhQRTlw?= =?utf-8?B?RVpBNjNHN04rdW9icDFMT2NZYXJzOFNjV3hpZDdiQ3FtaEJCZXhxM0YyRHNY?= =?utf-8?B?Nk9sMmU3VzRLQmdLMGdKTXZHN0R1SWRkNjkxbDg1WmF6a1JPMjJ3TU5pdWVa?= =?utf-8?B?aDdJd0JDYWR4elZ6SjlOem9IL21nTG5EUWgvOHlxU1ZkcVJEbVdOYXFKTzBP?= =?utf-8?B?aGl0dXdHelRUek5OSFR5b3BpU0JKcWxyY3BOb3RUS2t3SFVTYTlLd040MFJx?= =?utf-8?B?c0lwYU9Fc0FlNG5ud1JWTTV3MGRTODVUeHN0VjRUUGlmOXllb01JUjAveWVC?= =?utf-8?B?d1R2VEJmcS9OT292SE4zZU5sVjZ6MlNLdG56SjlQa3czN2NsOXVzLzdTUXlZ?= =?utf-8?B?VFdMRnFWM0ZYS3ltN0U1Y1k4OXpYakV6djJpR0FsMUhacDFHbnlBVjVlTzU1?= =?utf-8?B?bkpnZ2h4amgxcG1wNzNyZGI1NjQzb05VZW4wY0JGQVNYRStQd0ZJSGNJenhR?= =?utf-8?B?SFZCZTA1WFRYWjBzQXB1VkJrNlowbDRLNVcvNWFTaXZSUXU1WVE1QWo3OXFs?= =?utf-8?B?MVc4dFdpcy9tR1YrYlBETEtRMHNqSzlWM1ZtQXBUUk81TGUrNEpOaWsyQzd4?= =?utf-8?B?TUxiR1BiQU1tT21qSlA1Tmkzbk1Hc3pvWjVnaTk5VHEzYS9OTGR3VFhIL3pj?= =?utf-8?B?bEdxWi9lNjVXeXcxK2xBWlErblloLzlxVms2WGRmd2tKMjZ1VnRHTEQ2Zjly?= =?utf-8?B?N3EyQXVPNjV6QndsQS9wcEtNTEpGbkFOazA0MUVNMXdCam1TWkxJa3NsZHM4?= =?utf-8?B?YlhqZmk3ZjExVjVPVTF5cGIvUDF3Wk56WmNRQzBmTkdSOVpGNFRIRisxYzNz?= =?utf-8?B?dXZuL2xBQWhwK29ja2VZRFBocXU3VUs2blZDTXFteFVCbmg3YnpHYlBGdlRO?= =?utf-8?B?SUNpS3M2RWk5MjRNR3JBL3Z5SlhpQ3loNnU2ZEQrcFpxdmlTd2t1d3BqdXIw?= =?utf-8?Q?MLDpfuZuB2JPBdIbfQ=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW5PR11MB5810.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?czNiWU5XM1JzaER3OXhSSTFZRDltNUVNRlUrWUJYTFVzRmZpMFArdFE4Vitt?= =?utf-8?B?eEQrYkYvQUhnNWtPelIxeEYzMEhoYjZUYVRyYnFRdTZlSXkxakYraXBoeDYz?= =?utf-8?B?RkZBdFRxVVdyWnZuNU1Hc1dOeUxIbGpDUE00RUtEbGFub01lMzVzd0hlS3k3?= =?utf-8?B?aEFBT2dOcldNeGpxNTF4SkVLU21WaGVUUlE3OTVSWGsxWmZZUXdwU3BkSGpo?= =?utf-8?B?QkFCSk9sL3duU1ROaEJtUW52K2Z1Z1dpZFFlQklqUUtDZ2VibGFzL2hDOXFI?= =?utf-8?B?cXJGdmRoYTBNMXFISS9xY09adGtZOFZaWlZKeE5DVEYvd1lXakN6ejNHWm5u?= =?utf-8?B?MG9RVHNMMHFFdEE3NGYzZ3YzNjRsbWZZK3RBZHY5YjRYNnB1c0J1ZzNNai9n?= =?utf-8?B?a2FGcDE5NHRFaXdkeGprTW0yeWxuVS92dE4yOTlGb1pNbE5rWUd1WFBKOFZy?= =?utf-8?B?T2VwRUVmdUpHNktYZEJHRDNxYjY5NVRydmV5UmZWSDNCeG4wK2FYd3dLdElX?= =?utf-8?B?R2xmMTlRRlQ3RWxEV0FqNk9zRHlaWm1yVVJBZU1GUlZjOCttVnF0YUFkRUNi?= =?utf-8?B?amJUaE9Sd3pOdFZSK2ZzWjVVVkhyV0tQSjhPNHVBNTlpNE13M3dBeHdRbm9J?= =?utf-8?B?L3JqVHc0Q213dy85SzNtQ2tHK0YwTHpmM3psby9QcCtOYllRVnR5RUJpTlFh?= =?utf-8?B?cXkxRytPcVJSdnF4V2pWalZSaldqNW9LaTN4ek1hM2dRR3BkUEI4UFJFRGZL?= =?utf-8?B?WnhBaFRiR1J1c2JJVUlNZjhvOUdwVVg0ZDFReVVRcmVxUXREakYxZVNJZzB1?= =?utf-8?B?M2VYSDc3UEsvZFdJNTZucVdRSDM3K0h1eDlFQXcxaUxFWit3ajJuVzh1T0Yz?= =?utf-8?B?Mm5TcjNoYlBtV25BWlBkV2F3M1pqNmFOMldEMGFXZTIyQ0tYdmZQbHl4eUVE?= =?utf-8?B?N1ZxTDNUdTZzM0E4bi9IQUVRKzgzb2RMMXF1d2dNZWpMU2pwMCswSjd1MTFy?= =?utf-8?B?VmhkUy9ydlE1VWUrY1A4MVBVWTFzeDVUZWNxL1M0NzBmQ3FHdW9IMVBtTHdO?= =?utf-8?B?dWdMelU4aEUxSWROUTA1L2ZLaWNCVFErQ3owT1Z5SzdLbXA5YmVnTHRtek5C?= =?utf-8?B?dnk2WWN5MmV5VThzQS9iUzB6cXRkUkZvVjNpQ29wbndFcVc3VzU5aDRRV0VL?= =?utf-8?B?Q3lTSGx0cDQvV2VyNWdwRkJqZTNQdkRTY3hmT3pvVm9tNkxZeDVKcXpFaUdi?= =?utf-8?B?N0txZHdCSUdZSXROeWZXa0doeEFZUDQxSk5jKythSk5KUU14ZGRpNnoxWWw5?= =?utf-8?B?OFIvTi9jdzU0SmRIWHM3VWFBNXU1NE01akdLNUNsZ2Z2aGVtU1AzMFJndDZo?= =?utf-8?B?enB6cmszQWl6N3VrdHVHbjRHQlowelZpNW5jcHFOQjE3MVdZSm5lWFBiL2FI?= =?utf-8?B?dHpSbjN0Ymt1WVd4L0p4U0JQZXQxWS9nUDBwN2pCYjMvaHZHMkZhY3ovc256?= =?utf-8?B?ZmYvOHN4YVU2WWllTXVxaEp3YU5MaGtrM2tBaHdOd3RSandLQXJ0UWc0ZjU0?= =?utf-8?B?eXRwbkFnL3dsUjZSblZOVk5VU1BIOVhqS3J1MzIxVCtnVGFqNFdTWVZCenhX?= =?utf-8?B?RXFQMHRwbTJMQWxpSDlwSXh2TnhwMHo0U2QyUU5jc1QrWFMrRDBtMUY5aW1s?= =?utf-8?B?Y1A4bHdjbGRXVWxIVmxJcHNWYndZUzV0N3VTQ2Y0clROcDZzYitxUkw0ZGgy?= =?utf-8?B?Q0ZjMm1VZ3hDUlArRTdHM0xkSmFvbWUwL3RyNU1DNTZZYWJ0SXB0VlczbEJL?= =?utf-8?B?dEV3b3A2Nm1Jbm15VDBNTVVUUUxSSjk3MGY0M0w4QmwvYzBYMUxZY3lNa0pS?= =?utf-8?B?VTc0UGlaOHlQdW85azRrU1hHTnJUM0tYU3l0UTdISnE4aExxYWhUV2ZmZzVC?= =?utf-8?B?RnFrRXZESjIwcXEzekFVSU9QN1RqRDlJLyt1djZPQWxnVzE1SytVWGFmYXo0?= =?utf-8?B?MkNiTjYxTmxmZFVzRStIYkNLN21aS2N3SnFjbXdKN2NkT0JKU1g5eHAwbEtY?= =?utf-8?B?OHdPMklad2RnSWdBbXJlVDZ2K0JLMjdkb2FaV0ZiM3h0bko0TWRGd1hPL1dI?= =?utf-8?B?WVhTazAvVjRDY21PZWlNQVAxbDFqOXhHNG5KcVN4aGJnOXpoZWxrd01qOUdx?= =?utf-8?B?MlE9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: 67e4d325-68be-46ca-2e09-08dc9f54e979 X-MS-Exchange-CrossTenant-AuthSource: MW5PR11MB5810.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jul 2024 13:50:22.5224 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: EHH40o7f+2s83BDPVWekyTytTPZev0WpinGe41TOSzJkktYq13f/263yLyW4accW2aaZs319FU3eET2787lR0lZ8cIf/UIyY2iYbjImhAdM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR11MB4729 X-OriginatorOrg: intel.com Hi, On 7/8/2024 10:07 AM, Stefan Seyfried wrote: > Hi all, > > any kernels after 6.7 break my trusty old Toughbook CF-51 by rendering > many PCI devices unusable. > > I did first notice that i915 did no longer work and filed > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11437, there I > was pointed to commit > > commit 7a36b901a6eb0e9945341db71ed3c45c7721cfa9 > Author: Rafael J. Wysocki > Date:   Mon Nov 27 20:57:43 2023 +0100 > >     ACPI: OSL: Use a threaded interrupt handler for SCI > > which I verified with a week-long bisecting from 6.7 to 6.8 (just for > fun :-) > Thanks for reporting this, although it would be nice to put linux-acpi on the CC. > Just reverting this commit top of 6.10-rc5 (sorry, this machine is not > very powerful so I did not try the latest git master) makes everything > work fine again. > > I get these messages in dmesg when running the broken kernels: > > [  T308] genirq: Flags mismatch irq 9. 00000080 (yenta) vs. 00002080 > (acpi) > [  T305] genirq: Flags mismatch irq 9. 00000080 (uhci_hcd:usb1) vs. > 00002080 (acpi) > [  T305] genirq: Flags mismatch irq 9. 00000080 (uhci_hcd:usb1) vs. > 00002080 (acpi) > [   T46] genirq: Flags mismatch irq 9. 00000080 (ehci_hcd:usb1) vs. > 00002080 (acpi) > [  T312] genirq: Flags mismatch irq 9. 00000080 (firewire_ohci) vs. > 00002080 (acpi) > [  T305] genirq: Flags mismatch irq 9. 00000080 (uhci_hcd:usb1) vs. > 00002080 (acpi) > [  T308] genirq: Flags mismatch irq 9. 00000080 (yenta) vs. 00002080 > (acpi) > [  T592] genirq: Flags mismatch irq 9. 00000080 (snd_intel8x0) vs. > 00002080 (acpi) > [  T581] genirq: Flags mismatch irq 9. 00000080 (i915) vs. 00002080 > (acpi) > [  T874] genirq: Flags mismatch irq 9. 00000080 (enp2s1) vs. 00002080 > (acpi) > > These are not present with that commit reverted. > So all of the drivers above attempt to share the IRQ with the SCI and they don't use IRQF_ONESHOT and because they all are threaded, there is a flags conflict. They all need to be made pass IRQF_COND_ONESHOT when requesting interrupts and it will all work again. I'll send you a patch for this (hopefully later today), but I guess it will take a while until it gets absorbed. Thanks!