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 1C33EC4332F for ; Tue, 8 Nov 2022 01:57:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BB13210E3CC; Tue, 8 Nov 2022 01:57:41 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 995BE10E3CC for ; Tue, 8 Nov 2022 01:57:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667872658; x=1699408658; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=BEUZIPokc9IsbTxY9DiUYGv44fzdzCBJgBroUJZZy6w=; b=ikzXKkuiivWTUL5FqHO5T+cRABFdCi2mf1J+d6M7qltlXyLYb3E7kr7Q WO0SIXNopgS+xXig8m7yCzSk2jstOCxtubqyw2PrX236TZTUZE6RHcnOF F9dX/4j3Mb2yBEAuAWgm+EKvag/LYmvJfeJM+RlBcL1q/dCygrD3rXdKO thiDmVnwYB4s6NlRSUQ1qKWnhlrAxWwPFiMhTEYY9ZS+busqxpHcmmYEp Ch6c9RJXU+6l7xoUaQsOmkEptCPsAqyfZ1qP/1QqoCJjBDpjSyxttTTz/ 4KRgtTXsxpMmX2fYXX0jpafyQ0Jhpdz+5aCe1jzQ1WOboUSpvl0DFtJBQ w==; X-IronPort-AV: E=McAfee;i="6500,9779,10524"; a="312363196" X-IronPort-AV: E=Sophos;i="5.96,145,1665471600"; d="scan'208";a="312363196" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2022 17:57:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10524"; a="778728057" X-IronPort-AV: E=Sophos;i="5.96,145,1665471600"; d="scan'208";a="778728057" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by fmsmga001.fm.intel.com with ESMTP; 07 Nov 2022 17:57:36 -0800 Received: from orsmsx603.amr.corp.intel.com (10.22.229.16) 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 15.1.2375.31; Mon, 7 Nov 2022 17:57:35 -0800 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) 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 15.1.2375.31 via Frontend Transport; Mon, 7 Nov 2022 17:57:35 -0800 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (104.47.58.168) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2375.31; Mon, 7 Nov 2022 17:57:35 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=VRjBkSzf+XIgZM40+tg7sRr3eD5UlzYZVYbxVUx34I2KTnvesX4Olgi7qDlEgvcOkWNHYXYWdd9AcmcAF6LEpNRqdoKaJHSXSwUHE+u/BKm/RLbqqApfIIG1IbEH2LVyKiHyOlwBRHXYHWYLZGpC5+AkugeDKtNQ38fwxArLCqqbaHLhA+fFPS5tZbLC0fPfoQMO4/D9oICNZVGzrsR/5x8PsUoa65E1WdggJlBBamMAxrkkaiTC5mYf+OSWajQPo/1QsY1DQ3S1wk3zgfdY0yNfzPgnniFWQP+fYlJ4dox6gcBDNa6mWFGIsR68dQBSoAaEppKvdGd8YyRoH5NMGA== 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=9xwPZ6msmoih1ZXuxLmY38jQ7SynzmfA5CTAgs3eQUg=; b=gt0VR/v/lW7xgfR/P7d7Ww06mFZMeCkkDpMRQAX/F+ZuqYoPbKWXMepGTV+yILrbV8Kgzlf1Q+Rl++waXmty3IvNEYZkQZPbp0E578hCU2Ozizkah5USUh8qj8CsR+UbXRJoTk+VeVoMFLQctiAL5okur0oek+e3fM6zKIikYGO60yUM4bxFbxiggcRr6r/iylkiGDk3fQ0OZjtcwcPie0d3h5j1v5DOhecN7sl0j5fXM/aGEFTj2xQGBbIIdUFpIidmwKkxXO8r8PXqaY/dOujt5BATcS1j2PNqahk8QVAlk/g9JJhmgxAhKaeFVzTllShi4JKimigUUaeFe0SxyQ== 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 DM4PR11MB5488.namprd11.prod.outlook.com (2603:10b6:5:39d::5) by PH7PR11MB5795.namprd11.prod.outlook.com (2603:10b6:510:132::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5791.22; Tue, 8 Nov 2022 01:57:33 +0000 Received: from DM4PR11MB5488.namprd11.prod.outlook.com ([fe80::bff2:8e4f:a657:6095]) by DM4PR11MB5488.namprd11.prod.outlook.com ([fe80::bff2:8e4f:a657:6095%6]) with mapi id 15.20.5791.026; Tue, 8 Nov 2022 01:57:33 +0000 Message-ID: Date: Mon, 7 Nov 2022 17:57:31 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.4.1 Content-Language: en-US To: Brian Norris References: <20220928004145.745803-1-daniele.ceraolospurio@intel.com> <20220928004145.745803-12-daniele.ceraolospurio@intel.com> <5589d713-c371-1121-ef74-58be63057ac4@linux.intel.com> <301a2ee5-db5a-ff79-f94a-ef6014ca3a10@intel.com> From: "Ceraolo Spurio, Daniele" In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: BYAPR11CA0070.namprd11.prod.outlook.com (2603:10b6:a03:80::47) To DM4PR11MB5488.namprd11.prod.outlook.com (2603:10b6:5:39d::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR11MB5488:EE_|PH7PR11MB5795:EE_ X-MS-Office365-Filtering-Correlation-Id: 5a097130-8f5d-4f0b-0bb4-08dac12c9a03 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:DM4PR11MB5488.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230022)(396003)(39860400002)(366004)(136003)(376002)(346002)(451199015)(86362001)(83380400001)(2906002)(31686004)(66899015)(36756003)(31696002)(41300700001)(66476007)(8676002)(26005)(4326008)(66556008)(66946007)(6512007)(966005)(316002)(82960400001)(38100700002)(2616005)(6506007)(8936002)(53546011)(5660300002)(186003)(6486002)(6916009)(478600001)(45080400002)(43740500002)(45980500001); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?SWVuK21RQ1M3Nlc0TUZYeFR4TVZYd3kxcytiaG1WQVV0bnBrZjRvbllmeWlX?= =?utf-8?B?a0RaTkViVU1iNklDWlJCR0wxd0JHQUxnY2dURXVIWjQ3R1c2Q3FxVkhBZUcy?= =?utf-8?B?M281M0tJbEx1cXNPdFM0QW56VW9qSXJ2RHZwMlNrbFVOd0kxcGVuMTFNRUJ3?= =?utf-8?B?ZEtOVG1qRFRURFVXRVo3b3ZwT2VKTi82cTVuZXdRYUN4ejYyUnVIaU4xQ2hr?= =?utf-8?B?Y0NmZk9PVExhMjc0a3JHaGtKdXFqclBOL09zRkkydzE3azJvWk1TOWRid2dW?= =?utf-8?B?L1U1TlBEdVM5bTdKNWlxY015Sk85SnBlRldOME10cDdjS2g2OXZnajlDOVFG?= =?utf-8?B?Qm5EcUZ2ejNncEdQc045d3hKYWN0WjF3KzRZcjVLZmttNVdUb1k3ak1HK3JV?= =?utf-8?B?d2FZZlFMSVgyakhHaWRma2Y3clNZZmVaUzhBNk5jRXYxUFpBSWhGSVRvZHRi?= =?utf-8?B?cTdYVFJoZGpXMlM2bXRwU2VWTkNxcFRSK2RBWWtOQ1ZQV1RZRDMxQm9NSEg2?= =?utf-8?B?SnM1RDRUUVZYMXhOa3FveXJ3RjdvMG81TWJKandaRFFyM3pyMW1GOXoxNjJG?= =?utf-8?B?ZVhSNjUyR0pVaDJYRldDR09RU0hvZFZRWWRyRUN6cGhTbUwyMmd1ZXlUb0RS?= =?utf-8?B?RnhHbGM4bDJFamh0OTgrMGt3aHhwN1V0Y3VBSDZlY3hQZFdvL2YxZXI2SExI?= =?utf-8?B?M1dZU2htOE43d2hEcm4yUlZrY1Z3TmtUNVBxRTl6cnFoNGF1dTZJVVlDUG5Z?= =?utf-8?B?M1pXSVMxbmNpTnJvRVY2ZzJ5cXhhdVREWERMdTREaE8weldaWG9Kd1o4S3oz?= =?utf-8?B?SUZWckVISE1xWnlvNkhnNWFzVWg3ZThEVGpDUDV1RHNzVWMxdm1XdlZEZmNR?= =?utf-8?B?RnFnaGUxNFZ0djY1S0tBYWZmRUNMQUw0aUNISi9qMGJ3S0FEL3NlYWFTL0t6?= =?utf-8?B?Y21kMldHbERvVnNGUVROMzl1Mm96ZW9iOXdMNnZUbzRmdkNRMG80RVkvNEl3?= =?utf-8?B?RFdsaWM3blA2TzRiT01aNmJpUVdmLzlPUll6akxXZGhsWGRqOWIwN0pZeUxj?= =?utf-8?B?L3JwbFFMWGpGV21DNFU0bGJrZ0FQdWhIQ0EwbkkrRnU5VWwreVZKY3lib1pi?= =?utf-8?B?VHdHSUh0bGJjcG81N3MvRTNKWlI5ZDZjSmhlanZtS3NNK2tqdklDcEMyZ3hH?= =?utf-8?B?ZENJV1M3MWJjVlBpUjliK0JOdnBRMUZhUEJhUVpXT3BEOXFrR1JGMUppQU1s?= =?utf-8?B?ejJ0T3F2U0RpN25KZGNLN2lkdzBUVFdvV1B0RXpTSUVoNWFpRDNacks3N0Ev?= =?utf-8?B?VTlBMDRpUlRDWGVDTTVubFdQcEkwVG50RnlGT1QwZm50NU5JTGVSQUQ5SVha?= =?utf-8?B?UGpiREI4alBxdHRmY3FObUR3S0JOQ1Z5bkdtYTJVRTRJYndjb2FXYXVaZ3dP?= =?utf-8?B?bFJ6d082YlFYVThnbE1aZUQvR2ZCa25SdHpFTjA1RHlTaHdPb1pPT3BzWVM3?= =?utf-8?B?cTdIZW1RQ0tRUHNraGdFNjhBOE1pdlJybTg5Zno4WXM1aG0zZTNsUm9UNGNq?= =?utf-8?B?ay9QNWk3TnZaVm9KcjgybVBsaTBFbCs2QWVjYVp6U3czc05obHZ2U2VvTUJS?= =?utf-8?B?Sm9oM242emM4akprc1VNM0xTUkYzUVlFaHUra2JxQXBWcFVobEVIaGhlc0RH?= =?utf-8?B?aGE5UWYwM3dhOTdyL3ZDQUtwank3WllDVFJqcnhLaU1YbGhGOWRQcWZXK3F3?= =?utf-8?B?aWwxdkVPM0VRY3N3bXVUaHRVYXlYNnlhV2ttMmh2bStBclVFNEp5RnNOcGJz?= =?utf-8?B?NTVoakVWSlNSUVFUcmdxRlVQL1pXdXQwNnNrdTVseXZWSnZ2ZlEzWlFLN2tk?= =?utf-8?B?dXMvVElpWFFUY0xlL2VydXdHT3lldEY0V2RCbGV3Q2dkZTIzcWdXWkJSOWF6?= =?utf-8?B?dWkxUVVwdzcwa1ZaYWZvandEeVdMS3Rkb0xZa2ZtajllZlp5aFByOHpFWkx0?= =?utf-8?B?UFVmODkvRG12dkxGRzB1Z2kwMWFUL1dVRk1jL0JxMWZQczdFRG0rZEp4TDlY?= =?utf-8?B?T0wxbHNUMEdZQlphTGZlMG9KTnpqTkpMU2MzajhvdXJLYklWcDNESmlGSkwv?= =?utf-8?B?VzRuTXE1UzJOdFF3eWFhUjlublJRdno1RmU5UldPblgzVmZvQzZwdUhvZk1t?= =?utf-8?Q?05n4sxMMVuspZv8r1RWWEto=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 5a097130-8f5d-4f0b-0bb4-08dac12c9a03 X-MS-Exchange-CrossTenant-AuthSource: DM4PR11MB5488.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Nov 2022 01:57:33.4365 (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: TdmvRCgD4ZeEUTcHbnd0njdvyNEHnrjV4FcfbcQNG8rWeyBqH7dKudmUVlGM+urRBq0aQhsp6Lg89BTHFGk7X+ksvHFXsjEtxK92XCqNHQA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR11MB5795 X-OriginatorOrg: intel.com Subject: Re: [Intel-gfx] [CI 11/15] drm/i915/huc: track delayed HuC load with a fence X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On 11/7/2022 5:41 PM, Brian Norris wrote: > On Mon, Nov 07, 2022 at 10:38:14AM -0800, Ceraolo Spurio, Daniele wrote: >> Ok, I think I have an idea of what's happening: if HuC is not enabled, we >> skip the call to fence_fini, so we leak the debug object. Can you check if >> the below diff fixes the issue for you? > Thanks for checking! This also gives me the hint that I can try out the > HuC firmware to see if that changes anything for me. For reference, > here's the firmware bundled with ChromeOS (and that I'm running): > > https://chromium.googlesource.com/chromiumos/third_party/linux-firmware/+/HEAD/i915/ > > We tend to pull pieces from upstream linux-firwmare.git as needed, and > seemingly ChromeOS folks haven't found HuC necessary for GLK. > >> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c >> b/drivers/gpu/drm/i915/gt/uc/intel_huc.c >> index fbc8bae14f76..e3bbd174889d 100644 >> --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c >> +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c >> @@ -300,13 +300,12 @@ int intel_huc_init(struct intel_huc *huc) >> >>  void intel_huc_fini(struct intel_huc *huc) >>  { >> -       if (!intel_uc_fw_is_loadable(&huc->fw)) >> -               return; >> - >>         delayed_huc_load_complete(huc); >> >>         i915_sw_fence_fini(&huc->delayed_load.fence); >> -       intel_uc_fw_fini(&huc->fw); >> + >> +       if (intel_uc_fw_is_loadable(&huc->fw)) >> +               intel_uc_fw_fini(&huc->fw); >>  } > (NB: you have some very weird whitespace in there. It's neither tabs nor > spaces. This slightly increases the chance that I get your diff wrong, > since the patch doesn't apply directly. But I'm pretty sure I > hand-copied it correctly...) > > Unfortunately, I still see the same(?) problem with this patch. > > [ 85.182000] ------------[ cut here ]------------ > [ 85.182014] ODEBUG: init destroyed (active state 0) object type: i915_sw_fence hint: sw_fence_dummy_notify+0x0/0x11 [i915] > [ 85.182238] WARNING: CPU: 2 PID: 1925 at lib/debugobjects.c:505 debug_print_object+0x6b/0x7e > [ 85.182257] Modules linked in: i915(+) cmac algif_hash algif_skcipher af_alg btusb uvcvideo btrtl videobuf2_vmalloc btintel videobuf2_v4l2 btmtk videobuf2_memops videobuf2_common btbcm soundwire_intel soundwire_generic_allocation soundwire_cadence soundwire_bus 8021q bluetooth ecdh_generic ecc rtw88_8822ce rtw88_8822c rtw88_pci rtw88_core mac80211 cfg80211 r8152 mii video wmi backlight drm_buddy intel_gtt drm_display_helper ttm prime_numbers joydev [last unloaded: i915] > [ 85.182593] CPU: 2 PID: 1925 Comm: i915_module_loa Not tainted 6.1.0-rc3-01115-ga397a9098fb3-dirty #35 b6325f6cdf3c04a0862a445aa86b1799d3939949 > [ 85.182607] Hardware name: HP Meep/Meep, BIOS Google_Meep.11297.262.0 03/18/2021 > [ 85.182619] RIP: 0010:debug_print_object+0x6b/0x7e > [ 85.182634] Code: 31 c9 ff c0 89 05 ae a4 67 01 8b 43 10 8b 4b 14 48 8b 14 c5 e0 4a 86 8d 4d 8b 07 48 c7 c7 fe 47 ac 8d 4c 89 f6 e8 ba 53 c2 ff <0f> 0b ff 05 2a 50 11 01 5b 41 5e 41 5f 5d c3 cc cc cc cc 55 48 89 > [ 85.182646] RSP: 0018:ffffad7280583638 EFLAGS: 00010246 > [ 85.182661] RAX: 229fb1a4f3034f00 RBX: ffff960980064348 RCX: 0000000000000027 > [ 85.182672] RDX: 0000000000000027 RSI: 00000000ffffdfff RDI: ffff960af7d1b440 > [ 85.182683] RBP: ffffad7280583650 R08: 0000000000000000 R09: ffffad7280583490 > [ 85.182693] R10: 00000000ffffdfff R11: ffffffff8ca46e5b R12: ffff960988382cf8 > [ 85.182703] R13: ffffffffc08656b0 R14: ffffffff8daffd1f R15: ffffffffc08656b0 > [ 85.182713] FS: 00007fd5f9306940(0000) GS:ffff960af7d00000(0000) knlGS:0000000000000000 > [ 85.182725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 85.182735] CR2: 00007fd5f85ef000 CR3: 00000001061d2000 CR4: 0000000000350ee0 > [ 85.182746] Call Trace: > [ 85.182759] > [ 85.182775] __debug_object_init+0x26c/0x5ea > [ 85.182794] ? intel_huc_init_early+0xa6/0xa6 [i915 30ae04bc806a1fe406030ed4bf98e870eb8aa3bf] > [ 85.182996] ? 0xffffffffc03e6083 > [ 85.183028] ? prepare_ftrace_return+0xa2/0xdf > [ 85.183059] ? __init_waitqueue_head+0x5/0x21 > [ 85.183082] i915_sw_fence_reinit+0x19/0x3d [i915 30ae04bc806a1fe406030ed4bf98e870eb8aa3bf] > [ 85.183310] intel_huc_init_early+0x72/0xa6 [i915 30ae04bc806a1fe406030ed4bf98e870eb8aa3bf] > [ 85.183514] intel_uc_init_early+0x76/0x25b [i915 30ae04bc806a1fe406030ed4bf98e870eb8aa3bf] > [ 85.183697] intel_gt_common_init_early+0xc3/0xd6 [i915 30ae04bc806a1fe406030ed4bf98e870eb8aa3bf] > [ 85.183878] intel_root_gt_init_early+0x4c/0x5c [i915 30ae04bc806a1fe406030ed4bf98e870eb8aa3bf] > [ 85.184055] i915_driver_probe+0x26b/0xbf9 [i915 30ae04bc806a1fe406030ed4bf98e870eb8aa3bf] > [ 85.184233] ? drm_privacy_screen_put+0x5/0x23 > [ 85.184260] i915_pci_probe+0x182/0x266 [i915 30ae04bc806a1fe406030ed4bf98e870eb8aa3bf] > [ 85.184468] pci_device_probe+0x99/0x126 > ... > > That only required: > > pkill frecon > > ./i915_module_load --run-subtest reload Thanks for testing. I'll try to get get my hands on a GLK and repro locally. Even if I can't manage to repro, I should at least be able to confirm if the updated function is being called as I expected. Daniele > Brian