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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1E290C55822 for ; Wed, 5 Aug 2026 10:01:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CEFED10EDBE; Wed, 5 Aug 2026 10:01:25 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="k6rgywl5"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id B1AB310E1D2; Wed, 5 Aug 2026 10:01:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785924083; x=1817460083; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=fzFahik0wNsFo6qZ0k0Gs16RcY+wjAUZ4J2GImTqsjk=; b=k6rgywl5QnSk2/uI9TUiT5kLhumKlxzFpPzZra5fMOgmmC+Ok4fTLX5i sI8N+QXh1r2vY7yuKowcrZ88BOYI13nVI49nrO3m6zDrdDQHxOLd0hhv2 Vyd08lOH12uqMWyJg+Ndh3RE2R9YRtb1BVNGv8od7myN+AzEI9AbCr5eK scWIBbwv8zp0KcWzWb9yR2WQYr0zoPdw/yAG1jK8RLQaiI9BnaZMi4AHO NhpDW+mNmsgBUjYdRZ/aWcylIw8YD7rqxtmvye3c7yVDQTSGxXabhUXql 41q5TwrgbNC4IncxiLlcCS0VokeMKK3lRZA3IlHteiKTfQ45v0bjgVQBJ A==; X-CSE-ConnectionGUID: nvHZUm16TR6PJ+1vUdY/Uw== X-CSE-MsgGUID: kAvkZEVqThKqRaj2wYiqcg== X-IronPort-AV: E=McAfee;i="6800,10657,11865"; a="97088039" X-IronPort-AV: E=Sophos;i="6.25,206,1779174000"; d="scan'208";a="97088039" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2026 03:01:22 -0700 X-CSE-ConnectionGUID: fIamHR0qTqWX02KOAK8l5g== X-CSE-MsgGUID: rbAHeb/YTrC7z0OpxbkeCw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,206,1779174000"; d="scan'208";a="265604924" Received: from fmsmsx901.amr.corp.intel.com ([10.18.126.90]) by orviesa004.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2026 03:01:22 -0700 Received: from FMSMSX903.amr.corp.intel.com (10.18.126.92) by fmsmsx901.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Wed, 5 Aug 2026 03:01:21 -0700 Received: from fmsedg901.ED.cps.intel.com (10.1.192.143) by FMSMSX903.amr.corp.intel.com (10.18.126.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45 via Frontend Transport; Wed, 5 Aug 2026 03:01:21 -0700 Received: from CY7PR03CU001.outbound.protection.outlook.com (40.93.198.31) by edgegateway.intel.com (192.55.55.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Wed, 5 Aug 2026 03:01:19 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=IGOTVqhxN0txuMhcqhGuMX+Wtd432hu0xUuAZzQSVUdGgGAFvVOOvsrhidgWpb9iyMwEEkMrem+BGsmWKNeHN5XMpc/bvrsfQTzEQ73k/gaDLVxQFygOINSbKGUeJz1p6bQGQSLIPHKhWFkAx5Jmuqd30N1VmrbSgUSevjwEF6csj7CFRWNkj0+bNYhUYy4YLO+iwSrxYxiSmmpIF8Ua2dSpKB1yYHvqLuOlokCd6mESV0pX842ZNIAQ+kVmhSqzMdrWG4dKDlaDH5Ww6FLCt/hirQmmKI4/+cMULplWxlNm3lTRwrk+n7s+n815/1CkpuTUmC0y7UWhvggt4UYHmA== 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=kQta0TnyAiLdRFxgvylJTYXyBoKCylKzhuh6lk2KoBU=; b=iX+/cmeefNJQpJuOHnmRsmepL+luKqezJOifyh1Ul36k5V7KZHwusU+GkfKrL3EG9tmab9lfd0PipWso/nHeYYvDrm9CWZJCnOBPrXBTnyTqU5sASPtaBNDxZUA63FB2Pfy4tRlEO9QG0Xg+yW+6PnLCuZU5voHmCw1nw0thT7V5Ae03WS+9jNs7tV0G9yhvx8OLcSR1WD1sQWWy55yGWOyfI4yJPim0OkdTRxiBNhViTUEkOMjg5IYRTct24F4LSESPSBmjtzFxnBsdiFkEpbKODbo6ToTRkqqHAlQnAmIZ/MPDHI+Han7NG551vi3PEvRsKC2/UbXJ5h2qOz4zuw== 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 MN0PR11MB6207.namprd11.prod.outlook.com (2603:10b6:208:3c5::21) by SJ2PR11MB8500.namprd11.prod.outlook.com (2603:10b6:a03:574::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.270.17; Wed, 5 Aug 2026 10:01:16 +0000 Received: from MN0PR11MB6207.namprd11.prod.outlook.com ([fe80::52eb:929f:a8b2:139d]) by MN0PR11MB6207.namprd11.prod.outlook.com ([fe80::52eb:929f:a8b2:139d%5]) with mapi id 15.21.0292.015; Wed, 5 Aug 2026 10:01:16 +0000 Message-ID: <91c8cb20-fd5e-499c-a953-07145ad87f14@intel.com> Date: Wed, 5 Aug 2026 15:31:05 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v13 4/4] drm/xe/ras: Use fault-inject to trigger cold-reset wedge To: Raag Jadav CC: , , , , , , , , , , , , , , References: <20260805071152.1225416-6-mallesh.koujalagi@intel.com> <20260805071152.1225416-10-mallesh.koujalagi@intel.com> Content-Language: en-US From: "Mallesh, Koujalagi" In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MA5P287CA0174.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:1af::8) To MN0PR11MB6207.namprd11.prod.outlook.com (2603:10b6:208:3c5::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN0PR11MB6207:EE_|SJ2PR11MB8500:EE_ X-MS-Office365-Filtering-Correlation-Id: b74ac2ad-5aa0-4519-e185-08def2d87d20 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|23010399003|366016|1800799024|6133799003|56012099006|10067099003|11063799006|4143699003|22082099003|18002099003; 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:MN0PR11MB6207.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(376014)(23010399003)(366016)(1800799024)(6133799003)(56012099006)(10067099003)(11063799006)(4143699003)(22082099003)(18002099003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?cytzMmt4dXNhdUpjRVcwWDBDdHZObkdjNjl3eVJMUitZNk81ZmtkRnY0MklL?= =?utf-8?B?L0JGa0dSSVpudDR2dmRrWkVMNkVYMWl6Y21nVTlvQkl4c3lacWt6a3E3bVRO?= =?utf-8?B?c25ST3NTSVNpcnBqek9rZVVPVko5TnBYT0ZHNStlTFlVdjJydTE0TkdqeUJN?= =?utf-8?B?QlY2TmwvdUJLaTJtSnZoS3NPeFpMbWkyR1I2RjFjR0xLSldhbHRCakQ5TU5M?= =?utf-8?B?enh6ODJQVE5WanlIRTlGM3pvUkRwRmd1dWpCaGJrRUlkaGhCWDFtRmFSOThy?= =?utf-8?B?ZHZudHVnYXE1QWFjU21vclBvWHdRK01jdVQycHNWZzlYc0N4a04zOUR0QUpa?= =?utf-8?B?R005b1BKdmhvYmdWRVJRTFg2RHpYWkU3UFRCYkt1dm12ZTVianlRSTJDWGh1?= =?utf-8?B?Z0t6TDNlVjk5YXkzWlVMSDJGemR0NlFnTEJKSlFQblVEQXR1dFNxU2FUaHM5?= =?utf-8?B?alRBeEtqbmxDdTBoYlZQMHVTUThsdGZpSzNIT1YzRzhDVk1zWTZpYUxCdmY5?= =?utf-8?B?c1ZKbEJDVFVGS3BrM3pDT0s5VVUwSFJWWVI4UDcxak95bkxhWXd6SVE4UnU5?= =?utf-8?B?ZWVwajBKcis1UkxoRm5HMkgvanF6cnNVNWlpV0JnUno3Qm9OeFl0U3NXMFFv?= =?utf-8?B?ZWkvN3JibVEwWGtpNmVnR0FOYkJ1ZUVZWVlvR0NzZ3lqRGl2eFdaQVJtSDZE?= =?utf-8?B?M3ptYzlkMi9xd09WWG1WUTU0djJudUZTWW1qZU83WUdPZlg3WVkvdDd6Vi9F?= =?utf-8?B?Uk5vbkptclM3MWRZclpkKzhvcU5pcnlteWNycU9RQWlQeUd3eU5laDRUUmJC?= =?utf-8?B?YiswcGhFQTV6V29UOUU3NkN3T2cxREFYUHZSTkZYMENhSGY3UHBkRmtBSnBV?= =?utf-8?B?UXlsYTNkMU9VU2puUG80aG92Mk5JSkZHNXk4Q25IdTVQcGlNOU5WcnpkZWNm?= =?utf-8?B?L25ub1FLeXI1aHpwT05aSjdDa2ZoSmk5QjZsVzhIc3d4Vk5yaVRuaE9MUFFu?= =?utf-8?B?anZUcVpBa0dSaEtGQlN6bU45b29SMkFiV0hvclNsdE1aVGpYV0FpMVg0WjFr?= =?utf-8?B?Q0huSVk4RERLdmdieW9qYlYwOW9EWkRScXZnUnV1NUNSUHpxK2I4NkE4QXE1?= =?utf-8?B?aVNyNEtLTEJDbVNIZlhVMHpFcjhZT1F3RTM0NVJtN1RXL3AzdmlBWFNXY05N?= =?utf-8?B?UEQyZ0ptcHpSL2x0Zk14UExhdTZTQUhJd2JJeEpNMTNLYk5NSDhnaW9sK2No?= =?utf-8?B?bE91bUNNNTFWVERSSlQwbGtQbTkwNkZzaW1WKzBVL3dxYThTaGNiS09JSUhQ?= =?utf-8?B?OE0wMjNVRGY3NU5nWlFpaC84UzN1Q09QVklBbk9wTmR5NW9SZ0lGSmk4L09n?= =?utf-8?B?MzVsdEdaM25xQ0hrRGk4UXlHTlVpcDJTMEVPSmV1NDJFOUlrclZpWW4zcjZO?= =?utf-8?B?cEo1dGVIYVlROHl5TS9HeitnZ29kWkhZN3dqeUFDNEtoeGladWJVY25KN0k0?= =?utf-8?B?T0dQeGUzUk96c2tXTXJwUHhjdzVzbWxnWnNQT3B2NWJ0VDlkRStaRFdSRjdM?= =?utf-8?B?NjMxVlBsdG04Y3dMc1VodFFWTHY1RUhGUFV2OHMyenk1SlZ5OFp4WDcvaFNQ?= =?utf-8?B?YnBlSG1lemNCcEdNUmErKytnV3pqdytDTkxSNlZld1dVWVpkOXNmQldjakEw?= =?utf-8?B?Y2sxUTFQWnpxMkVjRElmRmpwUmp0TGNZWXpmTURIOC9iVnVjejl5KzdsZDZn?= =?utf-8?B?cG5vMU5lWFQ2SW1BSHA2NmVROFdvWW8xdlEvdXNVNW8xZCtBZkFzLzBIQ1p3?= =?utf-8?B?djdzeVQxc3IvaEY4RHFIbEZuaEpHd2g3U3NIOWx4N0tCa1Z5YitWWmcyZENH?= =?utf-8?B?VmFYWUtjKy9JK2lBZDI1TFcxWkdEZ3hwSEhaUW9FTDBJa2g3S2FORmN2QTJQ?= =?utf-8?B?Tkp1aGhDREY4K2NXblFtbjNneHRsNkJLcE9LMkpoTHBsN1RYUE05OXR0Tkhl?= =?utf-8?B?QmxQeWV5OUR2R1loTFJhZmllZWRKVHpSRFJaSlVCUDRobFVGU1VIUUg1bjZa?= =?utf-8?B?UWo2K3VWeTR6L1QrV2Q2Z0ZyM3VSNzlFOWIvcjJVVUVGcmJTTURsZUZmVXdM?= =?utf-8?B?bk5IcWUwRmltd1RHVUFobmtwNEJVZE5pRnlSY3JSWVViWGlaWlBtbXVWbEpT?= =?utf-8?B?VnpvdVhBb2t4bmRiRm5Eb29Od0lHUzFiVCtFSWkxemxGOE5aSCtvL3RNY1Jl?= =?utf-8?B?MkNTeEhOeE9TQVFUeTd1MWc0NlJLS1gwTWhCYnhnVmpDOUE4VW0vSHpRSXl2?= =?utf-8?B?aytrSmoxZFJKclBKRk1uOFhOdGVOYzBGNkRYVlIrclpFcFZBcWtnV1ZoR2s3?= =?utf-8?Q?phwIEz9XhYN0qFZo=3D?= X-Exchange-RoutingPolicyChecked: ZzMK2//hBAXh5am9ZIgxFlMaMpSZ6bK/C6Db0ywXTHxJIwgg19XN62q8BFp6A8PP1V2fgKKMKiKVHuZbNh2r5jFY4p0+h4tyWHPXnaZAs1PmSVFxcT1yPxL0yKkLMNWArYaLtvTRx+JdRLDTO9MlGhzklDv7zgghDerudnTlU3DkVU3zcN9SurMcnT5roWQdCoW38JxCcu85s1crnFHJbUwn+wQfl/F16enZ5a2AVLFolYCzOvoJY3OsFjNKDOG08z7HsiB3s0xY4p7kfKnJuDiFSiQOwSMmBuU+oej9UwhbAnapJxle2IPIWho0AQXlLnhBr8I9UYlGtKFVwFkXEw== X-MS-Exchange-CrossTenant-Network-Message-Id: b74ac2ad-5aa0-4519-e185-08def2d87d20 X-MS-Exchange-CrossTenant-AuthSource: MN0PR11MB6207.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Aug 2026 10:01:16.0793 (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: 4OAmmR6axWomCgg21Oci05ZayrAqPlqO89kLlmWap3md2BWmiOO2kSLCgIAR9bs4qSzFCKf3OHX6S6X08wwzm1PgLSfX0wnL1U9rhfovPkY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR11MB8500 X-OriginatorOrg: intel.com X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" On 05-08-2026 02:43 pm, Raag Jadav wrote: > On Wed, Aug 05, 2026 at 12:41:57PM +0530, Mallesh Koujalagi wrote: >> Use the fault-inject framework to trigger the cold-reset >> wedge path (punit_error_handler()) for testing the >> wedge/recovery flow. >> >> Usage: >> echo 100 > .../wedge_cold_reset/probability >> echo 1 > .../wedge_cold_reset/times >> >> Signed-off-by: Mallesh Koujalagi >> --- >> v13: >> - Rename inject_punit_error to wedge_cold_reset. (Riana) >> - Sashiko corner case issue addressed with >> commit 20bc4883c7c0 ("drm/xe/ras: Fix boot-time ras error processing"). > If the issue is already fixed, I don't see why this patch is still needed. > But if it helps in any case, Thanks Raag! This patch help to exercise the cold-reset wedge path (punit_error_handler()) without real punit error. Thanks, -/Mallesh > > Reviewed-by: Raag Jadav