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 lists.zx2c4.com (lists.zx2c4.com [165.227.139.114]) (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 80029C433EF for ; Tue, 5 Jul 2022 00:49:12 +0000 (UTC) Received: by lists.zx2c4.com (OpenSMTPD) with ESMTP id 4629c233; Tue, 5 Jul 2022 00:49:10 +0000 (UTC) Received: from NAM02-BN1-obe.outbound.protection.outlook.com (mail-bn1nam07on2059.outbound.protection.outlook.com [40.107.212.59]) by lists.zx2c4.com (OpenSMTPD) with ESMTPS id f10d99ab (TLSv1.2:ECDHE-ECDSA-AES256-GCM-SHA384:256:NO) for ; Mon, 4 Jul 2022 11:31:00 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=EVohpFmaImWeUKhoxI7RTHf2WVUiA3uRqLtZVLzFWwB2CNnolDruOQ+gaLPhg/LRSu2h1Ael1T29ZPNqgo/heyWg/Xu++4cjmHI8UWMJWAvwZ5sT7ugjJsrvUncwF7j68WKDDiT2PYp+0W3l2zjFHB+bkcF2wu0qNtli/NZ5QK2ORAC2oFNluDCV+F4GobwcWB2YlWbaxuRugnCNwQk+9cdVMlvxAUkzrEGsPTeeu71LT7hkrTw10kgB0SEISRLSESGi0Hfd3Dd5zu4tWmRsv3atih4EYtWqJkIifRpzizxffo+TRiD7DnrsE3cn2vw6D0Y9bj2jpJJuQ7jKKIPySQ== 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=Dmta8Fps6qlLCNJpA7zVfs9Qzn8UA7uE3/ocsEZZvBk=; b=iGZ5cQrbolTRz3525svkN3pm7dv+9mB3hrBX73rk506pPJHG0nL2DsfnTaiLqiOm0sBR8jbfYf0hR67tb865gsfkeZdbTqojmun4KTrdGTVLTsxV5EqyYFfRZAXwYoCC56zXrwtH7kHHts7BrTzQJ/gaeLixwvazYgGD83WhXphGIlkit2hoiavU4DH0sV7+sNzG+nA9ryqdOYj/ZHUoLEBSxrQT0tnIYgdUncVHt2EgG/kEe4DBeBNQzdW09zzq/nB2b9tY4k7c5La1vMeWI5kdBi6KUGjGDqCDhhfpnq9VQNSfwTManNZMEo2CoMN/u1McmIrDeuDqzH8V1lRuCQ== 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=Dmta8Fps6qlLCNJpA7zVfs9Qzn8UA7uE3/ocsEZZvBk=; b=Pb/hAtX6XyBSXlKKP5Ei/9pA2eoxeTvJ6G/xSfbAzjTIfGCXqGQICY/a5ku3ByWAUVNBWA6CKek/nQWQAek6xVxpVP/OzOURK58b8MPwjM+N8ySQs7SkpcCdUNr3VTLbwd4t/UugaSXfphdvFUUrqFe+qQEJsatQTAb+ro++ktY= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from BN8PR12MB3587.namprd12.prod.outlook.com (2603:10b6:408:43::13) by DM4PR12MB6544.namprd12.prod.outlook.com (2603:10b6:8:8d::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5395.15; Mon, 4 Jul 2022 11:30:58 +0000 Received: from BN8PR12MB3587.namprd12.prod.outlook.com ([fe80::905:1701:3b51:7e39]) by BN8PR12MB3587.namprd12.prod.outlook.com ([fe80::905:1701:3b51:7e39%2]) with mapi id 15.20.5395.020; Mon, 4 Jul 2022 11:30:57 +0000 Message-ID: <79c6ad70-47d9-47fe-4bb4-33fcf356dd37@amd.com> Date: Mon, 4 Jul 2022 13:30:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: CONFIG_ANDROID (was: rcu_sched detected expedited stalls in amdgpu after suspend) Content-Language: en-US To: Uladzislau Rezki , "Alex Xu (Hello71)" Cc: wireguard@lists.zx2c4.com, "Jason A. Donenfeld" , Joel Fernandes , paulmck@kernel.org, Greg Kroah-Hartman , Xinhui.Pan@amd.com, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, Suren Baghdasaryan , rcu@vger.kernel.org, Hridya Valsaraju , =?UTF-8?Q?Arve_Hj=c3=b8nnev=c3=a5g?= , Theodore Ts'o , alexander.deucher@amd.com, Todd Kjos , uladzislau.rezki@sony.com, Martijn Coenen , christian.koenig@amd.com, Christian Brauner References: <1656357116.rhe0mufk6a.none.ref@localhost> <1656357116.rhe0mufk6a.none@localhost> <20220627204139.GL1790663@paulmck-ThinkPad-P17-Gen-1> <1656379893.q9yb069erk.none@localhost> <20220628041252.GV1790663@paulmck-ThinkPad-P17-Gen-1> <1656421946.ic03168yc3.none@localhost> <20220628185437.GA1790663@paulmck-ThinkPad-P17-Gen-1> <1656443915.mdjoauhqe0.none@localhost> From: =?UTF-8?Q?Christian_K=c3=b6nig?= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: AM5PR0601CA0039.eurprd06.prod.outlook.com (2603:10a6:203:68::25) To BN8PR12MB3587.namprd12.prod.outlook.com (2603:10b6:408:43::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0183b8bc-9e06-44e1-a2b6-08da5db0aa28 X-MS-TrafficTypeDiagnostic: DM4PR12MB6544:EE_ 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:BN8PR12MB3587.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230016)(4636009)(396003)(366004)(136003)(376002)(346002)(39860400002)(110136005)(86362001)(478600001)(6486002)(31696002)(6666004)(6506007)(4326008)(31686004)(36756003)(38100700002)(316002)(8676002)(54906003)(6512007)(66946007)(66476007)(66556008)(41300700001)(186003)(2616005)(7416002)(2906002)(15650500001)(4744005)(5660300002)(8936002)(83380400001)(45980500001)(43740500002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?NW01QXVERUJmaTJZK0JBME9velZxZjNJNFR3akdhZU95TlczbjF2c1R1cktr?= =?utf-8?B?RkJFTHRxN2cyNlhQdnE3SmQ3U2ZxUk0vWkhVZ1JmS0o1Zk5NalIwbFFJRy9o?= =?utf-8?B?STdJNi84NlA3dTFBN21YTHBSMERsQmptY2JXZGRWMGMxVHkxSzNlMHRDWTRz?= =?utf-8?B?RWhRSHRicTFlV3o0c0RGT0xsT0dWYXp2Sk8yOWthMndGMWhybjUwdFYxYWhM?= =?utf-8?B?aDFRN04rRDRZMEU1eHdxei9sU3Rhd3RQVEZ0K1Fjb3BWQ3NGeEJqTUxlZmxt?= =?utf-8?B?TVNXMzczVjVDVTJBczNVczREQXEzQ0NNN3VkcU01bkhHaXk5ZFB3L0N0ZEdu?= =?utf-8?B?eDFRcnBDek1ITXZxNmtzNkl0cTh4MUU0MlFHWVp6a1IvempPU2hQakRXeFR5?= =?utf-8?B?RzNld3ZsQkpzWndjemF1R1V3ZFJpSHR5T0tLMSs5aHBFdFFFdGxVa004bHo0?= =?utf-8?B?ZE8zVkRycmc3TkxpT25LT1RlSnBEeisxWDhqY1hmTjFwU04vMUQrZ2kvZ0JC?= =?utf-8?B?RklzV3ZhSjlyK3MwaksvZEZpb0ZOa0M3SzBzNndCQUxZYlhwRDg0Ny85aGdk?= =?utf-8?B?NnYrWmVnZ1FCK2tKdVBuYVpTRnA2RTFxbXAva2lza01BaU5DYWVXMjdKS1Mz?= =?utf-8?B?dnpraW1yY2toVVJJc2VGM29abmh2ZU1MTVZtMmhGdnc5U3QvbFdMNzZJRURu?= =?utf-8?B?LzNHV0pmSndiMFQzTDJjZ092dHdWb0FMc1hkbEZqSGhTZ01oZ2tIbm9HWVh5?= =?utf-8?B?Y0dERUFOVDROazE2VjVaOGpUenVSZjRrWDlxcWlZL0RZUm85dkkzOWdoV3p4?= =?utf-8?B?dmhYSGYrQ0FGK1hpSVNrNEEyckRweHFtMW9CZkpnVHhYM1RKTGxhdG1lTVJI?= =?utf-8?B?S1Z3a0tkRG9EMXhxNGk1WlFROVYvMkEzUkJITnA5TkVzSEI5WmhVbXJNVS8w?= =?utf-8?B?UlFmL0VzMVorL1Z4aVBKbFY1V2hGbk1kT1hFVFl6QUdRVmtET0hsRkRrUVRl?= =?utf-8?B?bXYzNWpDM2FmZGU1Sitpb09OTy9UeTVHOWJBYkpua242Y0RnVFg1M3FwNUtZ?= =?utf-8?B?MVZhbUVWNmUxMlk2SEpIMXZoSUhPT0VsZ29YUkVqSGl4QzlDQjRQd2pvdXU4?= =?utf-8?B?SkxOWWhmR1FxTDc4a21nYW1zY014cngyQUpoOHBlV3dPTkxCa2JNcVdjR2ZT?= =?utf-8?B?VDlnb2g5RWpUTFFwelk1QXE1OEplZ2pSalIxOXlqVzFaajJSZHA5cCtWblB2?= =?utf-8?B?bnBLeWFleThBK1Z5dWlvUi8wZ1k0ekVmblNMd2dORnBTRjl5SFVZVVZIc3Ix?= =?utf-8?B?TGhlMk1SMHRtWVNyb3d3S2dkM0R0Y2pYbG1sNDlwdkxlVFJoSkV6MXhLSGx4?= =?utf-8?B?OXZiOXY5Y0FwMng1SlpoNWhGSlVoNEloZWFTbjA3a0pldTVyZjVxdFZXSG1i?= =?utf-8?B?dVhlSlhlNVAwS0RqMTBubUhaajVHMXo2cFpMbm9zaVVNV3FhQ1g3YlpFRFRz?= =?utf-8?B?aDh5Y0ViWlZVLzUzNm5jbmZCajAxanpCOVJuTXJwZ3I5L1NwamhMSEhmbFNy?= =?utf-8?B?YWRKWGZLYWxqc2E5THhnSjJDVjMvdkZNL21DY280Q3pUVEdnZ0l5eGpGNXk0?= =?utf-8?B?OFlzMEp4YVY4dGpJc1ltZnphdUJ3aXVQWU5CdXlzK0RNcktlQWpkWDF2c0la?= =?utf-8?B?R0VCVFJiYXgxWTBqMnZUNXhvZHNReE9XeTBCZFlRdFBBbEYwRmFmU0I0ei9k?= =?utf-8?B?a3hXQStBOHZZRUl2SzFuOXNCc1BpNU1vRFMrSE5sNzhyZ00rQUcvRnJkRG5u?= =?utf-8?B?cXlCT28rQTIxekZRZmNqdk8zRC81U21WLyt1KzErbWkxRWRYaHJxWmpTU3FR?= =?utf-8?B?UGc1b1FXaVlOeVRlcG02T09yUTJoR1RFdW51OTRTM2hVQ2ZPVnp6ZFVGS1V4?= =?utf-8?B?ZjZ5TzRUd0hwbWt6ZXJ1b1J6enYzRS9pd0lKZmxOWmltdWpLdGd6TTZVMGRY?= =?utf-8?B?ei82RXhQNHk2ZmZJYzBYWEdXaktielV2ZkZLV1BHV2l1VG55eWh1c1JkaHpr?= =?utf-8?B?K1dTN2Vid0ZiSzRhb0FHM0Z2QXMzOUF3NHBQS2h6RkEwUkxqUnUwNXgzaXND?= =?utf-8?B?am9uWTA0aGdFV3duaTgraktkcGpGL1dsZEpoMUthZUhkNE9QeHVrME94SC9T?= =?utf-8?Q?mVTMTA7pZLMUW2xBdomQwXM7ktzBcdVfTWLM2GSRYTn0?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0183b8bc-9e06-44e1-a2b6-08da5db0aa28 X-MS-Exchange-CrossTenant-AuthSource: BN8PR12MB3587.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Jul 2022 11:30:57.8638 (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: moc/EOWONzGhR+QG23eHV2HDwLWjvLBc22TuVQyZW5HgANNdx6Z4nuXV5TGU/c9y X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6544 X-Mailman-Approved-At: Tue, 05 Jul 2022 00:49:09 +0000 X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" Hi guys, Am 28.06.22 um 22:11 schrieb Uladzislau Rezki: >> Excerpts from Paul E. McKenney's message of June 28, 2022 2:54 pm: >>> All you need to do to get the previous behavior is to add something like >>> this to your defconfig file: >>> >>> CONFIG_RCU_EXP_CPU_STALL_TIMEOUT=21000 >>> >>> Any reason why this will not work for you? sorry for jumping in so later, I was on vacation for a week. Well when any RCU period is longer than 20ms and amdgpu in the backtrace my educated guess is that we messed up some timeout waiting for the hw. We usually do wait a few us, but it can be that somebody is waiting for ms instead. So there are some todos here as far as I can see and It would be helpful to get a cleaner backtrace if possible. Regards, Christian.