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But this should always enable/disable both. > This sounds like a GPU driver bug then, it should tolerate PASID being > unavailable because of BIOS issues/whatever and not black screen on > boot? Yeah, potentially. Could I get a full "sudo lspci -vvvv -s $bus_id" + dmesg of that device? Thanks, Christian. > > Jason From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2071.outbound.protection.outlook.com [40.107.93.71]) (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 1C68D7474; Tue, 10 Jan 2023 13:57:03 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Y6Wh/Lvpjdo/GRfnCUhn8UB55RRpRo9ZkDm1Gd9bxhZ97GgFJIUTo9WndWY6EcDl+UPYZ69OHnoMMacG3Dtw+HB0GvrX1W3/u79skeASsZr//p1h/vgtwcQbvl0AB9qVmO3i7VDXTCGy59u6pNQZMMt7UB4AJKp3I2ECPzjXPdRLTp661f13YFYAio65CPLoLJ7c6ofWg8vfF0cwUJpLB99Rb30HhddLpEeAFpw+KUvkvf/M3l78Y/ON8FfJ9zcBKDvv+4aV4alXcgO21ng0SCyFdGi+2W6u1drLcksAYSzEME1oyPenl6n9uWuP+BGWSZ8NnIt2IJQH5Y1HbxNDAQ== 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; 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Received: from BN8PR12MB3587.namprd12.prod.outlook.com (2603:10b6:408:43::13) by CY5PR12MB6347.namprd12.prod.outlook.com (2603:10b6:930:20::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5986.18; Tue, 10 Jan 2023 13:57:01 +0000 Received: from BN8PR12MB3587.namprd12.prod.outlook.com ([fe80::80d8:934f:caa7:67b0]) by BN8PR12MB3587.namprd12.prod.outlook.com ([fe80::80d8:934f:caa7:67b0%3]) with mapi id 15.20.5986.018; Tue, 10 Jan 2023 13:57:01 +0000 Message-ID: <35b0f7db-e248-18ed-3e26-3f9f4f14f8c4@amd.com> Date: Tue, 10 Jan 2023 14:56:52 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: =?UTF-8?Q?Re=3a_=5bregression=2c_bisected=2c_pci/iommu=5d_Bug=c2=a0?= =?UTF-8?Q?216865_-_Black_screen_when_amdgpu_started_during_6=2e2-rc1_boot_w?= =?UTF-8?Q?ith_AMD_IOMMU_enabled?= Content-Language: en-US To: Jason Gunthorpe Cc: Baolu Lu , Alex Deucher , "Pan, Xinhui" , Vasant Hegde , Matt Fagnani , Thorsten Leemhuis , Joerg Roedel , "iommu@lists.linux.dev" , LKML , "regressions@lists.linux.dev" , Linux PCI , Bjorn Helgaas , amd-gfx@lists.freedesktop.org References: <15d0f9ff-2a56-b3e9-5b45-e6b23300ae3b@leemhuis.info> <5aa0e698-f715-0481-36e5-46505024ebc1@bell.net> <157c4ca4-370a-5d7e-fe32-c64d934f6979@amd.com> <223ee6d6-70ea-1d53-8bc2-2d22201d8dde@bell.net> <6fff9d10-f77f-e55a-9020-8a1bd34cf508@amd.com> <2d1b2183-7e93-f8a5-3c74-8f66824bc8f2@amd.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= In-Reply-To: Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?VUNwREJ1RThmRk10Z2VTb2Uzc1R1dVVwZUtFNlN2cUpnN0dwd0ZQSEh5VS9Z?= =?utf-8?B?R1Z0K1M3QW5zOU1BVUk3QXY2SEQyOHdOejU4WklvdnlTNlgrdEFRWG83ajdw?= =?utf-8?B?K2kvTmo4emo4MDdMOGduSWtzZVBubDZyUDVXcE45SnQ2bmtFR0hJZ09FcXVv?= =?utf-8?B?MVZQeXV6RTU1TW11VVFIMnVvOEc0OFhaT1p1dWM2NFd4WWV1QjJYZnR0ZUxY?= =?utf-8?B?bVVEbjNQUFFQSUw5b2pITmdNcU1iaFY0MHI1cVNsZnhRZHNidUkvT0QvS2No?= =?utf-8?B?b1hrajNveGdaUHZ4VkZwUGFoaUo3cThmWlRtQkV5b0tMSGJaUFMxci8vZmdX?= =?utf-8?B?T3FSRHZ2MS8wTlVmQ2hxdHIzU0EzbDhJdDBMaE50NFhESWJ1SzdsRGdFWWRJ?= =?utf-8?B?VzdWY0FUMFJIWURreGFmbWx5NStvT3FYKytaMVQwS1FvRFQ0dlFIQmlJVElS?= =?utf-8?B?YzNBUmxoN0ZOd2s4ZTZvMnRoRk5hclY3bUtsM1JMMkd1Yk5HdHNOem9VV05r?= =?utf-8?B?Q1ZUSElzaiticE9FK2ZkdDVnY2hUeENoU1BHb3A0VzhiQ2JDeTZnY0FUbnFC?= =?utf-8?B?YnZxQTVMM1dDN054RVEwQlNpQmllRzRCSEYrVys2T1RaT0ptOVNCcjZzeloz?= =?utf-8?B?b0VFRWhkbU5iRWErVUV4RlBJKzB3L3UyRTl0OE1ubDlxU3k2S3VBNUFlR2th?= =?utf-8?B?N0hITVMyVzZFV0d0bVJ1eE1GTlB0OTNncVNwRHVVa0Q2NzUxSkJwREJ4bkgx?= =?utf-8?B?U3FZS3E1T25tZnRIMlNDcXVIM1llRUpQOTM2U3Rhem5QMjRuWUlScTF1Mk1B?= =?utf-8?B?NGpDYkhtKytyREhHbjZZL2Y5cWllb3lhRndEM1k2VzVHL0dweVFabFBUaW4y?= =?utf-8?B?YXVSK2w5eVh2bmdzdXpRdmpJbkVBdWRnUVM2SXNBSklPemRFMjRGZlVMTTAy?= =?utf-8?B?V1l3TFZuckVTeGdQeVFXL1BUMTk5MGJjblVnVVhQem5OT2JWczd6cHpOcTdO?= =?utf-8?B?bWV4SHZINGQ2b1FBNWNhR2xXWEw5Qm1jTVNuZHQyYzlMK2xTeXdrMklubUpk?= =?utf-8?B?T2ZkTEVqeURHOSt4c00rcEM5WURMa1VRU3lxbW5IdExFSjFrYkhqSnEzR0hO?= =?utf-8?B?YmlReWc1Q1R0dW5KNVVKM0psOE1PREprdVNXL2pYTVEyZ2NGWHcwd04wVUJW?= =?utf-8?B?WHdGY3EveGFBaUYzVzNxcGlhRXBzc2FObHJWMnJZVXdkQzEzallJMFNNam5h?= =?utf-8?B?TVBaYUVIeWk4c29jdlhsVnFvTUZuZUhQYWtMNnJ6TDRIMllTNzZsRm5wN1Y1?= =?utf-8?B?ZjBOeE1KREdVS0ZtTFp4c1ozejBGTXd5QzhkdElPdE9FdThXc3g0NkRmMWNT?= =?utf-8?B?bGpVYkRPaFg1MytBWmZHbjBlVXV1bEpYUG5tQkx1U3h3YnVhempZN3U4bUZn?= =?utf-8?B?ZXN3TGhxcFpkUWF1SHNaL0FRelk5RVQrNXRhNHV0L1daWUl5dVcrTkNITUVQ?= =?utf-8?B?ZHJRNllXK3lYRnpaU04xQjdIVzFuZE52RFRjYkU3U2QwQXdnWVlqd1BWUDNM?= =?utf-8?B?a25aR3p3WHRxSCtxazVESnFvL0JsbDRpZS91NDhZM3BYZ2Foa1NlWGZOYVNp?= =?utf-8?B?blJFZmc4UTh2bHhkVWxrTWZmeEwzZUxkVWthQ2NuZXQzelhCeXZWSHVUWFRo?= =?utf-8?B?WkswUEdaenNxQlVoRFpnT1RoRUN4Q29wbm9ERWxPeUVPeTduenR3bXNjaFlD?= =?utf-8?B?V0JaejNYcTc3aHlWeEJmaWVpZW53RWFTSzlwSWZOeHpsZjJ2aHg0QXIrd08z?= =?utf-8?B?L3FpTFdDMmVvczdiMCtueldjVGYwbnNmNlQ5UmRWVWYxZUZoZUlSTzZKMkZa?= =?utf-8?B?QVNMKzBZcHpNL3ljVWR6aWR1UkNzaHUxT3VkRWhPYmtjV2RpSVBVaW5rcjdK?= =?utf-8?B?ZzZXUk95UzNoSXhxUmxoNXU4ZEkwMU5PVEQ3MnFxU0dqTXc1bG96TzZqWnZ5?= =?utf-8?B?cVlWWEZZTzExZFFmVitoK2RnUXlXeWthQmlHdzVYZEpEY3VEYlRnZ0VkMUpq?= =?utf-8?B?WDJnelFvLzJNNGFQbVVuQnJNRW9Wc3UzS3Q2bmtzdDZOUTFjcG52NGJsR0or?= =?utf-8?Q?5mXuHPK51QLulBo/aLPS+D4HI?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 643ce604-84a2-4e68-70e6-08daf3128c01 X-MS-Exchange-CrossTenant-AuthSource: BN8PR12MB3587.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jan 2023 13:57:01.2555 (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: RJA3QMTy7JvIJhoVxcwm/p/5LndcpmntESgcfYNnUF6/71ePGjrgbb1WwyqQJwnM X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6347 Am 10.01.23 um 14:51 schrieb Jason Gunthorpe: > On Tue, Jan 10, 2023 at 02:45:30PM +0100, Christian König wrote: > >> Since this is a device integrated in the CPU it could be that the ACS/ATS >> functionalities are controlled by the BIOS and can be enabled/disabled >> there. But this should always enable/disable both. > This sounds like a GPU driver bug then, it should tolerate PASID being > unavailable because of BIOS issues/whatever and not black screen on > boot? Yeah, potentially. Could I get a full "sudo lspci -vvvv -s $bus_id" + dmesg of that device? Thanks, Christian. > > Jason