From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=pass header.oldest-pass=0 smtp.remote-ip=52.101.48.43 ARC-Seal: i=2; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=pass; t=1792736517; b=tDS6SrPFnDnXwBct5RboSlGTjNNscqXPnIopXbAc7ASz46C6WZIzEhLXrTUxzOSp6sjl XwtiunqG8LyqGQU6LqT016IUshNKKmDa7s6o6UoJ8wfmqMOaNAQj4GvX/FNulwbfMPhxk 04OMwyAU3e3wbTKgwxbvIrIbBO+u/TTlXuzV+Bp8PdQReFRPdefG6Zy5JmX30f5puBipW qKNq9I1viM5LTK3yxGG5QYrI1DF/T/Ik+ro3JPsyZtmURlFSvmsMHMt305CpkUqPV1hRj fIBRSiRtz4zjY4ZxlDQgFMv8dW2Hb1wGu3xzzEvUXiSxQLX6liv3hN1a/NSUitaV5Nw== ARC-Message-Signature: i=2; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792736517; h=DMARC-Filter:DKIM-Signature:Received:Received:Message-ID:Date: User-Agent:Subject:To:Cc:References:Content-Language:From:In-Reply-To: Content-Type:Content-Transfer-Encoding:X-ClientProxiedBy:MIME-Version: X-MS-PublicTrafficType:X-MS-TrafficTypeDiagnostic: X-MS-Office365-Filtering-Correlation-Id:X-MS-Exchange-SenderADCheck: X-MS-Exchange-AntiSpam-Relay:X-Microsoft-Antispam: X-Microsoft-Antispam-Message-Info:X-Forefront-Antispam-Report: X-MS-Exchange-AntiSpam-MessageData-ChunkCount: X-MS-Exchange-AntiSpam-MessageData-0:X-OriginatorOrg: X-MS-Exchange-CrossTenant-Network-Message-Id: X-MS-Exchange-CrossTenant-AuthSource:X-MS-Exchange-CrossTenant-AuthAs: X-MS-Exchange-CrossTenant-OriginalArrivalTime: X-MS-Exchange-CrossTenant-FromEntityHeader: X-MS-Exchange-CrossTenant-Id:X-MS-Exchange-CrossTenant-MailboxType: X-MS-Exchange-CrossTenant-UserPrincipalName: X-MS-Exchange-Transport-CrossTenantHeadersStamped; bh=t5r/6rSnGHaJmJCA8z0nlLKUvEV3YDjmNaf4ENMJmls=; b=eDlG9u7yzexES/eue5yiMEkAYvFuK3dKojMchb7V6KGQHW/NGXnDU51XBcgDQQ7fxTiK mXmESdFdAGWKj4qzJZBFOcZLyhKsNaIpYu+DwrLMFKJrZ8IAFTXQt1uJXOyh+rKyhFF8O 8ZjABqCUh/fndtdfa5yBJXDfREE7pNU4WR3iZoq6jb1hHAwxvRknraHVykE5DxcDh8vRy RRAxxpSvlLAbIJdGBXEWBJHmsAPFmKhTRsiQuwXS+Y2JhHyJsuWbiByhDr+QiS+iL5oCB OfdP1hGGVY501jEA7LnKsKgHxqVQmG2QZ95i/+RtsRC3Dvb8rlv/R/5dsBTe1p3J9LQ== ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass header.d=amd.com header.i=@amd.com header.a=rsa-sha256 header.s=selector1 header.b=G7Of7B6M; arc=pass header.oldest-pass=0 smtp.remote-ip=52.101.48.43 Received: from MW6PR02CU001.outbound.protection.outlook.com (mail-westus2azon11012043.outbound.protection.outlook.com [52.101.48.43]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (secp384r1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 704DA606A31A for ; Fri, 23 Oct 2026 06:21:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 704DA606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=amd.com header.i=@amd.com header.a=rsa-sha256 header.s=selector1 header.b=G7Of7B6M ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=HStmGqWQFHkXIZfgyeX+qtA65hnYXx/0lr+4pL95Oma0pIo5qB6AtDkITl/n8zgrOCCcZHbJE+4sh6GoZsUURxDTdMAu0tD6Cfk1/hho+sjgDR8Rhw45Bz1eUPFdoZ/XHSil5j2ElyCN9zOv4eay1D49Mbkyy4nGmH8+6f+LFxffVcQAXbXnqjU3X1hhWwGts14jk1llzQijt5oUdDjvCaEo/5wa4vXBsUye79CwJ/md7igxSfXv0EVzLlgi+MJAAuXbvW2kvAZHQ0VSumxvB69D7ankBpBh19PsrnMK4ZrEK0PZ0PcuZYrVxNzanAyA4Tt+2al89apLnxHclPun9g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=t5r/6rSnGHaJmJCA8z0nlLKUvEV3YDjmNaf4ENMJmls=; b=bUIacCAxNgx8qTF0/QVt0MWAghHJQQ3FTw9R2FU/egRmUDNzIRci6PYiAdrzj4auCLsxRZGANBxAWdbdjA4kCh2EZJo1nEgOqv6JrfURS2GeP1V/RLWLGoGe0SpezID50JtsCVm//TFc9LvoCPLXycaVg3eOjjE8K7kmwb3sOXCWY7FB4DwBK+GUAWaRgFUonXPYaWPkjDG4i/V4UiSkQzj1AuFQ5swGjD9B5o18it3TmXqQnqN7djsBGdzNAc3k9GIUupEuJtjImToZKb3XmXGnkVM6oM7zpsWNjcC8crViFScT9hj4A+H+fvEsB1YZMIMfg6kaYGIB1R/9ZOy9/g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=t5r/6rSnGHaJmJCA8z0nlLKUvEV3YDjmNaf4ENMJmls=; b=G7Of7B6MVs1vb7vnlzM28xCtltfvpbAfKwf9D5pRzrbdDXRYO1Il/CuLNuzZ2mixsyAb3fTTYeEjgSy28XcRmg1I7Bj6atKCoFNnbT/F++aQR9pE4UoShM+2fRNccCTpx67U6MP5t1VwRg5R4AYoTMFnSmrXzNSV3wECdj+NlZM= Authentication-Results: mx.microsoft.com 1; dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from BL4PR12MB9505.namprd12.prod.outlook.com (2603:10b6:208:591::16) by SJ2PR12MB7964.namprd12.prod.outlook.com (2603:10b6:a03:4cf::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.546.15; Fri, 23 Oct 2026 06:21:53 +0000 Received: from BL4PR12MB9505.namprd12.prod.outlook.com ([fe80::73aa:eb8c:a86b:5a83]) by BL4PR12MB9505.namprd12.prod.outlook.com ([fe80::73aa:eb8c:a86b:5a83%5]) with mapi id 15.21.0522.017; Fri, 23 Oct 2026 06:21:53 +0000 Message-ID: Date: Fri, 23 Oct 2026 11:51:46 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [BUG][AMD IOMMU][VFIO] IVMD exclusion ranges block GPU passthrough on ASUS GA403UI, reproduced on 7.4-rc0 To: =?UTF-8?Q?C=C3=A9sar_Zapata?= , "joro@8bytes.org" , Suravee Suthikulpanit Cc: "suravee.suthikulpanit@amd.com" , "will@kernel.org" , "robin.murphy@arm.com" , "iommu@lists.linux.dev" , "linux-kernel@vger.kernel.org" References: Content-Language: en-US From: Vasant Hegde In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: MA5P287CA0185.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:1b6::6) To BL4PR12MB9505.namprd12.prod.outlook.com (2603:10b6:208:591::16) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL4PR12MB9505:EE_|SJ2PR12MB7964:EE_ X-MS-Office365-Filtering-Correlation-Id: 7e5b41b3-fac2-4bb1-2c4c-08df30cdee26 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024|23010399003|261022105027099003|261022075727099003|56012099006|11063799006|261009223027099003|261021121427099003|261021135927099003|10067099003|18002099003|22082099003|6133799003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BL4PR12MB9505.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(1800799024)(23010399003)(261022105027099003)(261022075727099003)(56012099006)(11063799006)(261009223027099003)(261021121427099003)(261021135927099003)(10067099003)(18002099003)(22082099003)(6133799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?WmFDY0Q1U3JzWEd1eFd5eTlhUUd4a1gxZWJ6Ly9HcU5Gai9KNmlrQ0xteFRV?= =?utf-8?B?OXNTNWNZRnd3U0xiMFpJTVRaY2VDbjVSZmVCS2FqYTI2MlVnMDFkMFRnZWx5?= =?utf-8?B?YlpmZzJjNXhIMkNhaytpdk1NdnJIdFRNQjdmVmZiMmhvRER5a3kwM1c2UzZ0?= =?utf-8?B?M3lRZlNXL09XWkJ0MzJZU1BMTDVrSFpBczdteTlmMHFqcnNjdExpb0hmL3Vx?= =?utf-8?B?SXJZbHR4b3Rza3VWMzJsMWhRbzd4emhjeEl4YUZpVFllelBPcnJYSU4wcGE3?= =?utf-8?B?dnFWeWFOdEhKMTZjZnRyb01oVXpJQk93V2IwNUwrUTNpVVh5c2FZbjJmZUdF?= =?utf-8?B?YVRrVTU4U1dTV2NlM0ltdVl1dFVheGE3Mm05clRjRkx0UDl4WEpsZlMyYTQw?= =?utf-8?B?b3J0Q1NJMDBabXZNK2Q1SHpLUjFRdDZoUFgxWTVwQ2JMMUZxbEY1MVlFUzBn?= =?utf-8?B?N2ZIMnV2WXR0TmxMMDFaYXFDZktoSUsydE9ZZ3JkQTk2aGd3OXhCaWdVaTI2?= =?utf-8?B?QUNuazl5TEVkT0o0WmdGaUdlT2o3ZTlxUzBlR0IzNEpNQWp2VUZZV3ZhK21m?= =?utf-8?B?NnFualBoamM1NVJlMS8xU3FKd1ZjREdhTisrdmRSU2lzVS9EMi8yK3R5dGVa?= =?utf-8?B?aC9MOFBaNG5DNFRaeUczRmRUMHNwZTdDQi9MYWZGVWVNNXpCTU9VcytoQk42?= =?utf-8?B?VGVoa2pyQWJYQmh0R2JFK2s2Wjc3V0FBSzJsaFdQeWpxSHlXUlcwM2ZoR1lJ?= =?utf-8?B?ZjYvVWdaVUdiTlFWcDJJeFlEdDNucG9jWFhYSTR3L0IwbzBsTnFSTlorbTdu?= =?utf-8?B?blFKV0dkeHJ4YitmZk5zeW1uTER6WTBmUmh2c0xSV3hFaisySnpYY0RMU0Jn?= =?utf-8?B?VU1rUVRJbDluSkhHNkJndUZYMnJzR20yY2pjbWJEblZha3F2OTNsa0FMZjNR?= =?utf-8?B?U0JZcUpkRitZcmdyQnR2MWVUMGwveWw4UVZaMzQxRmRSU2ozZzRDMjlwTTdI?= =?utf-8?B?NENuV21GZUgrT2V3ZlJ0VWx5dysrNmU0NGw3eEdoVUJ1OEdjRXZneDh5TjBG?= =?utf-8?B?ZDFJVW9DanVjbEhsZUlrZUJ1Q2pIRGZnempGb2RJRzdPRzd4L1dyOENyeURS?= =?utf-8?B?UWNkbHNNUG5ya0pDQ2swKzMvdWlnTnFMdmNNR0RYd2J3YXZnc20vYWU2RGpG?= =?utf-8?B?QlFFbUVhM25BYktHWEYxWUo1elNSTlRKTHBlT3p3M243bDM0cy9CWS9ZdGZN?= =?utf-8?B?NGxjdkpzMHdVNDFKUnptYm04alpjVVg5c3lKYnI0d3VKckZqaG0vdXk1eU15?= =?utf-8?B?akhWRkN2YTBORnZkOE5YOTlxNnZ2ZHhVaktYb1VOM2FSL2s0VXNUYWZJS0pP?= =?utf-8?B?d2VCUERmQjk1TVR2eExOVHJETW40a0d3WG9VZmd6TFE0L2IxYWgwOWdrd3lo?= =?utf-8?B?N0dnWE5rRzVkMi9KWE1UUlBqeFVlcEhFald5bTNEMkxyMXBiVGVINTlOY2pi?= =?utf-8?B?Q3RwWXpLZ1lUUlRFamVyeTNCOExEQ0xXa0RSZ09HZDBKazdqZWluaUxuSERi?= =?utf-8?B?WWhZSExSSVY1R1MrZHZUdTRGQkJsb1NLNjZyMFRzK3FlRlo3U0RwaFo0UFpB?= =?utf-8?B?a2Y1bkJsQ2xCb1VuUFVYWnJrNlRPQUNSbTkxZmVKeXVId2k2OVV1RUxCMldS?= =?utf-8?B?aGN1TFk1OURXK2F6NDcvSzhpUmsvc2dORkh1TnI5VjRmL0xtNjYxQmlWbVc4?= =?utf-8?B?ajdPeXNnNGluckVzS3JFcVpkNFdPNFFqeUVrWWd2QjVaeU81NlA5cmxVaWUr?= =?utf-8?B?RExZRTkrWS94SnV5RmN1Q2VSZFk4MHdwVGIwQTR3T3prWFNKSnZqeGk4VlVN?= =?utf-8?B?ank5TVNjOWtGS1FCelMvUW8zMUVFNVhGWWtaRGUyay9GS3ZNUkZvZ09JOFpk?= =?utf-8?B?S0JrRjlPa2ltaTBaOVBRYzVYbTE3d3AyNzI3M1pzeTZsYVJTLzRzNEpBTHNF?= =?utf-8?B?ZVZSWktTL0hyR2dZNEVacm5jQ3oxTFNnL1Z0Mi9UdldPNytTZURKNWFUWDlF?= =?utf-8?B?a28rdU5BbHJNbU82MG1lOE1Xb2lhTk1FelExSCt0ME1SYW9TeUhIN044TXNQ?= =?utf-8?B?VHFJejc0WUZ0MWJzZXVyYVVQQTg4YjFFa1BSWWlDSDczaUVmeDd4NVFlZnZG?= =?utf-8?B?ZGtHVFNWY2NzYjAzUjdZTWY3eWhvRkN4YjU4NlVBWnVKZm1zMVVZZ3Ywc1dk?= =?utf-8?B?OHhSUHJTMWs0aW1vUi83bVR2Wll5WjNIcVdvVmY5TzdkazVRMTYrWWNzRVVs?= =?utf-8?B?S0JnQWZYVHdSbHRlbmlJbHZVU2xIU012b0dFY2JMTjExaG1IeWtFZz09?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7e5b41b3-fac2-4bb1-2c4c-08df30cdee26 X-MS-Exchange-CrossTenant-AuthSource: BL4PR12MB9505.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Oct 2026 06:21:53.3128 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: i0gLY/JSbfhPVCmWqjx+NXz4PxLZ/6K1Rb+teC3ie3VrkgjX13slEXlEGavK/El/YtlFzYjN+oo5P/0uYkzOfA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB7964 Hi Cesar, On 10/22/2026 11:22 PM, César Zapata wrote: > Algunos contactos que recibieron este mensaje no suelen recibir correos electrónicos de el_caesar@outlook.com. Por qué es esto importante > Hello, > I would like to report a reproducible AMD IOMMU/VFIO issue on an ASUS ROG Zephyrus G14 GA403UI, now confirmed using an upstream Linux Mainline Vanilla 7.4.0-rc0 kernel without the proprietary NVIDIA driver. > The firmware publishes broad IVMD exclusion ranges that Linux exposes as IOMMU_RESV_DIRECT. Consequently, VFIO refuses to establish an IOMMU domain for an otherwise isolated NVIDIA GPU. > System information Thanks for the report. I believe below mention series should fix this issue. @Suravee, Can you respin the series? -Vasant