From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM04-MW2-obe.outbound.protection.outlook.com (mail-mw2nam04on2048.outbound.protection.outlook.com [40.107.101.48]) (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 D7EC01E4A4; Wed, 23 Apr 2025 13:47:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.101.48 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745416073; cv=fail; b=QbSvGc5YP3J87Bds4kNWM7hN9CQTHg+DF6ZApkR4gA2VIMRIH3dWf3jSjxjJA8xUbajPJCCJdguUrw9MrtzsN/aBX3gHFiX5CuBxYNnCV7FBPCBPh6YqjElUAkW/KTEWKUximIYwy0czIn1p5he61R2wNq2PBlVTk94sxFkF9Tk= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745416073; c=relaxed/simple; bh=yq4ZNtBmCTa2OvIIXW+cC9tlpVIF61uWhwC06d2T+Qk=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=cNb4IF/lYTvjnztrtCwVqq+BlhTFlY4nKx15NtOHT/MbkPB9MdmQ2cK67zguEtfXaYgZXAMM31FDqIuw7RckR0KibSqJZy4jkVBLRlgqWxe97Ift9T6SlYIbWhTzhXdd2unSymBa+Bq1AIsi2BOqy4oNt4NoJfjTdV9FBhfNSL0= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=WD/VTj74; arc=fail smtp.client-ip=40.107.101.48 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) header.d=amd.com header.i=@amd.com header.b="WD/VTj74" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=HiY5uGi0hneyPVTIA9JgHprB/vdWIQvtIJH4Lhl1gIXRlUGmnhn16s/meSzbUPYdlSHGlVheVSMpLjWbiOpVLNpXA9FvxLGh2rDvfetxpzuy3T/kFfRmkaYiZbfLcCjLgdVrMcLtElLyaDH/3bQOAAeO7o9mXEFPobG1pZO9SjsLztv7R7iLNTWe+kkd8y8POhS8/Et+IbgmgBvR1YfZt2W4CKqp6M8UyHxI9Q5rOuPlYNc17ZtfKqrDkcpIgpsj/LZJPibO58jlPqL3wCQJUBABGoB2YBH3B/a2Cnp5fLwRb2eljkc1u7Qoq0kCOgQq8qUoWJp+WGEIkbPwVftrMQ== 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=ryNdEUJWNZ8YE5hhwIkxhiTA7M/ohfYAkWBE9dZJRqM=; b=ULTSqgYdcMhtBGi/8na5Z6SnUfpXiAQniypBicNOp/tsPhV0Lg+CMZmXGmVVdh2IgQ9pBbicEvZnwXJIPLlCQ6G6q9AVsT3rNOr6qfFJhwjUz9sW2T+QqY6cnpHZyN+Ae3Xbv/ow3cLrrifk4TpF1IDSc23ZdDZkbq3HvkzHWazAH2nXkCj/GI/4kcVurbEnfSk+dCRxmSNQxWOSTpagK+Cw8xmXR4whPgDO/y1Gu/NYOAuaLcPZIUT7UV//WpOzbfLgspM3ZlWYyXXoTPvX0+8tdp0JLogu0DfRwSkSQHk/W3+FoP027NlyIYz2fxG+ASBHWn6P3/K3aibpDaTlIw== 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=ryNdEUJWNZ8YE5hhwIkxhiTA7M/ohfYAkWBE9dZJRqM=; b=WD/VTj747E+Ihd+Jaa0QLeItpvzRlX8O3i/qhgVZxuI5RhB5rQ91NjGxbd4tXLE2OADg1Wyl9HhWFyFNsqmgMsL/wGerviDLiQ2WMIihDWCh360EWYqZoT7hW7HQYr0ahsOMhqdY1DnmC0nf861Tb55idaJjCq/O5yofP+CtSBI= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from IA1PR12MB6460.namprd12.prod.outlook.com (2603:10b6:208:3a8::13) by PH8PR12MB8429.namprd12.prod.outlook.com (2603:10b6:510:258::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8632.43; Wed, 23 Apr 2025 13:47:49 +0000 Received: from IA1PR12MB6460.namprd12.prod.outlook.com ([fe80::c819:8fc0:6563:aadf]) by IA1PR12MB6460.namprd12.prod.outlook.com ([fe80::c819:8fc0:6563:aadf%4]) with mapi id 15.20.8655.033; Wed, 23 Apr 2025 13:47:49 +0000 Message-ID: <8f7671cc-32f1-4028-a1b0-c7dccf472f76@amd.com> Date: Wed, 23 Apr 2025 19:17:43 +0530 User-Agent: Mozilla Thunderbird Subject: Re: commit dd4cf8c9e1f4 leads to failed boot To: Steven Rostedt Cc: Bert Karwatzki , "Paul E . McKenney" , Andrew Morton , Kuniyuki Iwashima , Mateusz Guzik , Petr Mladek , John Ogness , Sergey Senozhatsky , linux-kernel@vger.kernel.org, Linux-Next Mailing List References: <20250423115409.3425-1-spasswolf@web.de> <647b9aa4-f46e-4009-a223-78bfc6cc6768@amd.com> <20250423094655.2a0e25e0@gandalf.local.home> Content-Language: en-US From: "Aithal, Srikanth" In-Reply-To: <20250423094655.2a0e25e0@gandalf.local.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: PN3PR01CA0143.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c01:bf::7) To IA1PR12MB6460.namprd12.prod.outlook.com (2603:10b6:208:3a8::13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA1PR12MB6460:EE_|PH8PR12MB8429:EE_ X-MS-Office365-Filtering-Correlation-Id: 45e64c45-6960-4c7e-0724-08dd826d6f87 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?QWtuM1dyN255L2RDdmwxTjhGcE5aVjZiK0d0T3hXWmhKM1dVbUxRV2Z3SE9w?= =?utf-8?B?aDJ1eG8wNkFjMldkcjgrMUFraVI3T2V6bDJTSW9uY2dQVkEyNnNYbnBNczh1?= =?utf-8?B?K1BJZEZHZk9kWHdEKzlqSitxWTNLaml4ck15UXdzakgxUTJ0R01ncnVmbmVx?= =?utf-8?B?MFBMZFVUWjBJWkNXM3k5ZDRaWStjRUxxb2RieFBBbjdIaTU2OEM0VGp5RDhF?= =?utf-8?B?TnlRcVBzNTNTZTJyL2txVnNTMWVNZXpsbjk5MFpQV0J6Mk5aNFgxVW84TmlM?= =?utf-8?B?Z1pTTnVRcTExQzNuMkNjQ3paalM5RkVnU2FOTk9sQTZ0WFFPbThDdStrNGQy?= =?utf-8?B?N3ZEUWZzSVA3NjEwTDllY3lTdndzTUpwVm9yaTFXUVZ2THl0ZFFGdExRTTFi?= =?utf-8?B?UElWM0I5MWRGVkdybW0xcGtSdG1yV0VmQmwyU3dhc2FxMzJ6OU52elZYNDR5?= =?utf-8?B?c3BQZ0M0M2RnYTUrQjRXRjJ6QXhvcE44ZHBrbWthQ21Jc1VhQWoyeGExNVg4?= =?utf-8?B?b081aXZmQ0U0RVFHeG1YYnlITXErOUZFQThuYlU5OEUrODh3UUp1SmFuRUg2?= =?utf-8?B?eFJZUnZubXpUMTR0eUtLNXR2V2tOcWxFNnNqQldvSGlZakVEbmI4Qm5sR293?= =?utf-8?B?eGlkZm1zVEVpU2R4Wm1PeUx0YW1UL0tLUGMrRThmblNFcFVkZzVnb3haekpS?= =?utf-8?B?bHpjYy9CV2JlK0tXeDQwcFB6b0tiRXlhcHlGN1FSUDV0OEo1NzNpQ0E3N3dj?= =?utf-8?B?WGZ4dENqaCtwT1A2T0lvdGxHNGVGYzQrZHRUYndwSnArTEgxTzJrOWJYUFV5?= =?utf-8?B?NlZWa1dXd3V2MERiNjNkNFhPREhwbktwNUlIM2xHS1pGeUwwNmt1RjdHZjB5?= =?utf-8?B?RTA3VDBIdmp6N1ZNRnZ6UldLdEV3WUQ3WklZSDNsRzg5eU9rWEZvVklzcVMw?= =?utf-8?B?K3ZaLzRmZTRLaFd3cllCYy9oa1RWMkRlZDU5TUZhdmJEQ3ArME5keU9mVm83?= =?utf-8?B?MHJSVlpxeDd1N1lxa1JLbjlmakR6MkZBMGZRYkF5QkgvZDh2dWlSWWxNUFhI?= =?utf-8?B?L3o5LzRaUXdkeEcwd2Q0KzFhTjdvbUNoY25JeE8yZU01VmdLdXR4MXMvZWVK?= =?utf-8?B?VjRmTkpWOURpT0ZnTXBrYUlQVzRhNlpHekpQK2w1eFJyRDVHVWJGdWlhTVlZ?= =?utf-8?B?c04xVVRnbHFKNk93b0Nac3FsY1JhSUVJQ0I3aERtWk9Ed0Y2dnYySFhpOVUw?= =?utf-8?B?ZGxlWXlyRjJxVjJYQUMrS2ZlTUtrdklHaURxazAxdnF3SmVGQzJ4M3lVZnl3?= =?utf-8?B?TzA5MGZ3RGlxdGdSSld2cTFkSGcvcE11dUlhR2VucjhqRlV6cURxKzUzUXVM?= =?utf-8?B?ZklsU2hMTFd6bER3V2ZaMUF2WlFwTmdVWVFRQzR2UWthOGJwL085UW1DaE9Q?= =?utf-8?B?YTVNWUUrTS9McXRuUlJ5NUtXdWY5anBrNmVtMGFOTWlWSEYrOVNGOUl1R0hL?= =?utf-8?B?bS9jNW1FZUpWeGs2MVRZTmR2bXlhNklPWlB1SHZIOWVJYVlQZmppdmo4SC9Z?= =?utf-8?B?ejRPZjlCUDg4RDJKUFpKaURWQkhwYkUxbTg4Zysramd5M0hIWTgxMkZFMFZw?= =?utf-8?B?T1ROamxDMEhFNzVYK0cwZmZ0NC96dDFOSWlNbTYrNXA2NGlmZFlGdEMvNG1x?= =?utf-8?B?MzZpVlNtbk1qMzFsU3VDTWdqMFhNMlpJRkliNTJnTUdVaXZrR2FpemRIeWRG?= =?utf-8?B?ZXNmUG9NYjBCSmgvVGlsOWE5SlJBZUU3N3E2ODhsazJSbHVZTDJkZVlXUUtW?= =?utf-8?B?ZDFhTUpncGR0bUd0VFIwYjRiUTJzUm42N3FpdFhLcERpc1lYamNLQ1ozTURR?= =?utf-8?B?djJWZXZ0ZngyOWdnalAvekpranJjM2J1NTVCclo5Q1V6aDh6NWc3MWRSVm51?= =?utf-8?Q?eBrnnZnmeKc=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:IA1PR12MB6460.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7416014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?aWNtU1dXUE9BK0dVWFRvcXpNWGwxMm1DenBMTis0YW1mWUUrdHhFY2YyWUJ2?= =?utf-8?B?dlZhcFN4bEpaZW5kNmc3V2EvL1NnK05lK2ZaRE1keGQyRERIYkxwZDdrNjhw?= =?utf-8?B?dGdKTUpLTnRxNDdzVUo0UnNjK2FhNllkVkUrZ1pFQktSeHoxM0dvVi9QZnVJ?= =?utf-8?B?ck5UT0l6L3FVV1FmeVpoOGNVSjdZaHpUSWw4aVRabW5nN1d5YU85OUhFUU1P?= =?utf-8?B?eWQ2TWVBb3V1TnpFeGVxTDNlUDR1Tnkzc3pCNzVNN2w0ZTV0RlVjRTArNXZ6?= =?utf-8?B?R3ZnTm5tMEpHQUo1cEZjOExGclJGQnhFMlpzVEwzMEFlblFRNDhicHNKOVVJ?= =?utf-8?B?SXZyeVJkNVhySGpHckRsQmNmazdVd2hxRTd4b3Fzd2lvd1FYZW5vLy91eGpC?= =?utf-8?B?Y0NQd3U3WER6NUl2eC91ZDVMVFFBOVRVVHNKeUM5MTZJNm1nblJnUmhGemdp?= =?utf-8?B?TjVqMWZWVlZKQ3ZNRGs3YldvYS9hNXU2ZWU3TTFWN3p0MEpYQThpQnp0OW8r?= =?utf-8?B?R2JLdzRFYmpScEI5ZS9sRFVOVVpZRWR3Q0RvRHhnSGsrcnNXdUV5NGJqcno0?= =?utf-8?B?TFpDMktOR0FjenJxNHlobWFENkdiQWF6MjlwTG42QWNHRE1OaHJsUm8xbndn?= =?utf-8?B?cXRkdmFtTVJKWHEvbEV2d1NCN1lQL1lTSjJpaTN3RTQxRXQvZGxHRWpvTjk2?= =?utf-8?B?eWxiQlQrWmpkUHh5Vkk1ayswQWZvL3JLN21OSHRacGkyL3VudHYwSTdmK0Jv?= =?utf-8?B?MTNNQytGaGZQOWt5UEplaG9adUl2M01KWXBYellSbHErUzEyM0xJZXQzZysz?= =?utf-8?B?SUtZaWJsbXgzc2R2elRldXdmdW0zT2VGb0V2emFSUUx2a0ltRWx1VUpiWUMy?= =?utf-8?B?eDliVndrTnlMUHBrSWNlWWV5Tm5kSjJMd09BU2pqS3NjSmV3dm9CNnN3Zy9K?= =?utf-8?B?bFpsaDMya29UWkFEb3paeHpQOW9RanFyUmhXVFRzS0VaRS9sZXZMSzZ0YXdj?= =?utf-8?B?YVNDbncxU1FuaUlpUzJrWlRwM2JlaWNlbkRnV0FPTXovNmh0Nm1kTWtKeUh3?= =?utf-8?B?ZnFheDFBNWxDa0FKMzYvNEtheG16bE5aVm9wTklmNXlBVmdXT1hCZkpvOU9I?= =?utf-8?B?VFd0cjhkaVJyOEw0YndMSVVYVDlxNXRsYnpDSmhiekVXYndpWTJLNWFuVnVi?= =?utf-8?B?QmQwUGdoS01pZGQzOUVBVFF4aTdCeEt2QkdUMDAxOWxkejdiYmpBUFNpRlNr?= =?utf-8?B?WDhqS01aWUthMHFycEJrVWRTRGJTbE03Mk80bGZQanpFZFRCa1krakJnT0JL?= =?utf-8?B?b24vTkdYZnh6V2JTbDIwMVlta1VvRG9NQmdHcTFYM2tkeTdUSUJGWTd5YXk1?= =?utf-8?B?TVVXQjlNTS81bG5WWFlMT0p2MXlvSXV5TjlWMjBVZjdaTkdzdU90V3Zlam5U?= =?utf-8?B?aWoyekd6SGNrMDc0ZGQwZ2J2QlV3L1E0cVhiWVFKVWFUZE1Ra2dCZFo4UjVF?= =?utf-8?B?YlJSc1k3SVFnZ1VobDJqdUVUTmt0RjdvOGNPYnZxS2NOVTZ5dW1TNEpOeGgr?= =?utf-8?B?OEJIWStWdkY0dVVuc05UbHFwS3pVeFVOQWxHeURNVlBFWTFleUNNbC9rTEha?= =?utf-8?B?b1VROFZEVmJIVlRjS2RyY2pMeXNmSnNseHFMc1ZNbzJhYWNHelI3S3Q0VVZD?= =?utf-8?B?VTlEcEdoVnEwYm5IajlnbWFTYUJtaGRhUHRBeFNwVFVBUjE2VTlWc1RwWUhG?= =?utf-8?B?SmdYRGxHMXRXbmdqRjBLUU50bFFHa1BRVDdEdXZJU09uZU5qOWFZN0Q0cUFj?= =?utf-8?B?allXaVlEWTZObnhMOVZOT2JVTEM5WWppcWhaVHdXaHhZMUZJWkkvOS8wQVpP?= =?utf-8?B?VURSSDhWS3QwbmhHaVIwOFJWbGRNejR3NkMwUUFXLzZSUDY0RG5ETGtNbGM5?= =?utf-8?B?SHV0Rzc2aDZQcjZVY1h0ak16djR1bVVXeDlyOG8xUjM3TnIzc3dZTWNodUtX?= =?utf-8?B?S1NKY0pWL1FMeUlTM0RiY2U0cDIvcjRrVU1mVkY0U0dOSmVGV25rVDF2dDd1?= =?utf-8?B?ZjRDdkJLallVQU40WVJ4VEJrb1d3OXV6enE0NDV6aTFGM2NudXB0bUFNRThu?= =?utf-8?Q?nqi/IXC2JkF1oAyEwbM0A2fZ7?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 45e64c45-6960-4c7e-0724-08dd826d6f87 X-MS-Exchange-CrossTenant-AuthSource: IA1PR12MB6460.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2025 13:47:49.3553 (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: VmRK/+epSPqOwCQRlDFElP3vNLee8D3twrJ8xnig0C/PObWX1DZRVx7FBz53ksbogLpFMteoLpgBBjp1qDSIZQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB8429 On 4/23/2025 7:16 PM, Steven Rostedt wrote: > On Wed, 23 Apr 2025 19:09:42 +0530 > "Aithal, Srikanth" wrote: > >> On 4/23/2025 5:24 PM, Bert Karwatzki wrote: >>> Since linux next-20250422 booting fails on my MSI Alpha 15 Laptop runnning >>> debian sid. When booting kernel message appear on screen but no messages from >>> init (systemd). There are also no logs written even thought emergency sync >>> via magic sysrq works (a message is printed on screen), presumably because >>> / is not mounted. I bisected this (from 6.15-rc3 to next-20250422) and found >>> commit dd4cf8c9e1f4 as the first bad commit. >>> Reverting commit dd4cf8c9e1f4 in next-20250422 fixes the issue. >> >> >> Hello, >> >> On AMD platform as well boot failed starting next-20250422, bisecting >> the issue led me to same commit dd4cf8c9e1f4. I have attached kernel >> config and logs. >> > > What is commit dd4cf8c9e1f4? Please use human readable text. The sha is > fine for lookup, but without the title it's meaningless to me. > > $ git show dd4cf8c9e1f4 > fatal: ambiguous argument 'dd4cf8c9e1f4': unknown revision or path not in the working tree. > > Don't make me have to download linux-next to figure this out! :-p > > -- Steve I had referred the commit from next-20250422 tree. commit dd4cf8c9e1f426496d63fa4e19fbf4edd5623b33 Author: Paul E. McKenney Date: Thu Apr 10 09:52:53 2025 -0700 ratelimit: Force re-initialization when rate-limiting re-enabled Currently, rate limiting being disabled results in an immediate early return with no state changes. This can result in false-positive drops when re-enabling rate limiting. Therefore, mark the ratelimit_state structure "uninitialized" when rate limiting is disabled. Additionally, interpret non-positive ->burst to unconditionally force rate limiting. When ->burst is positive, interpret non-positive interval to unconditionally disable rate limiting. Signed-off-by: Paul E. McKenney Cc: Andrew Morton Cc: Kuniyuki Iwashima Cc: Mateusz Guzik Cc: Petr Mladek Cc: Steven Rostedt Cc: John Ogness Cc: Sergey Senozhatsky On todays linux-next build the commit id is c8943bdecfc76711f83241e21da9d4530f872f0d.