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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92C7CC433E1 for ; Fri, 19 Jun 2020 22:57:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 41DEA21D7D for ; Fri, 19 Jun 2020 22:57:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="Q/vQ2c/R"; dkim=pass (1024-bit key) header.d=fb.onmicrosoft.com header.i=@fb.onmicrosoft.com header.b="Mf+hxfgV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41DEA21D7D Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=fb.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AF7406B0070; Fri, 19 Jun 2020 18:57:17 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AA6366B0071; Fri, 19 Jun 2020 18:57:17 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 96DC46B0072; Fri, 19 Jun 2020 18:57:17 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0106.hostedemail.com [216.40.44.106]) by kanga.kvack.org (Postfix) with ESMTP id 7D33D6B0070 for ; Fri, 19 Jun 2020 18:57:17 -0400 (EDT) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 0E153824556B for ; Fri, 19 Jun 2020 22:57:17 +0000 (UTC) X-FDA: 76947474114.27.worm53_04061a326e1c Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin27.hostedemail.com (Postfix) with ESMTP id CAB063D669 for ; Fri, 19 Jun 2020 22:57:16 +0000 (UTC) X-HE-Tag: worm53_04061a326e1c X-Filterd-Recvd-Size: 11159 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by imf45.hostedemail.com (Postfix) with ESMTP for ; Fri, 19 Jun 2020 22:57:16 +0000 (UTC) Received: from pps.filterd (m0109332.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 05JMsCir023116; Fri, 19 Jun 2020 15:57:10 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=date : from : to : cc : subject : message-id : references : content-type : in-reply-to : mime-version; s=facebook; bh=6hIjoTmd1LM1QJygvVjlWgxEyBWHDQEv/FmlOzrT8l0=; b=Q/vQ2c/RF6mP/yQHspRqKRE2mwkC5yoNwnUKnMkETDqXimHXup0ypT2DU9AP2jsCpPA/ QHp4ColJXxhvOTKg2/r0v+KAeq5S8+bq3GQpXCSzCZfrH4Bth1T+xi8JJe5g7+ic9vmN Oa84CD16mp7aO33Wv/SMyweyAoSZW08LK1Q= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 31rwgsbys8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 19 Jun 2020 15:57:09 -0700 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (100.104.98.9) by o365-in.thefacebook.com (100.104.94.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Fri, 19 Jun 2020 15:57:08 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=gx7jioYzCOyblXSZzj2ngM3MCb2JlPK7BCKNSULM1276O3MRKQ29nSb9skR/5B2D0M2GHnWfRx7TJaBp5mG18fzog/04esm5gwqNddK8wp1zCGB/zIgT14H98xdVMeu9aQeimia9B3miLOV8lvAmtek0FoyNCu7OdULa4MAmtlCdH5feIrgNQhz/IsEkULPYmj6HfVqgJF30a33T5rbdl44JanTZI8lJ5f+VRkBMQdLWW+Ug7QVjsNa3rr1Gwig6kwdPZnMhTc+0KVnkwwVV0sCzPSORAccaSf5bbV+JdJ5vpouNufY8aTYmIz+eFwRx16UvnII7E8VliQCI4v8H2w== 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-SenderADCheck; bh=6hIjoTmd1LM1QJygvVjlWgxEyBWHDQEv/FmlOzrT8l0=; b=SGnCLgMbLLIBAFcjRfROTyVmQM2pXxoQxjW1S0EdnCrQFkBqpzW4/jBXv9el5GJvrVWG7+fSHXFYrkryTOa2Zys7dcFqA5cOWzgVNYkULoTS3/r8gpddY04b61rAp3kY5uLj4gH0pOFv+FeIOqQUg8ZxW2mt/tDrTgsc60VXxG/wJ4iUjx/L/KIM1bOklt9SfSdiiAvtcUMrBiaVJsIyzcb+u3dYeeXBpRTCGL6Ua9EXVaVdu8ldLvhElsNX9bvA+WM7ma/PIQPbgi8Hl5VqxUgkHhT3bat6gZJmkQ1f7YVRzcaHfKY5fRJHmM7XTymexQKz6a84uhyhw+ZsyZe7lg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=fb.com; dmarc=pass action=none header.from=fb.com; dkim=pass header.d=fb.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; s=selector2-fb-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=6hIjoTmd1LM1QJygvVjlWgxEyBWHDQEv/FmlOzrT8l0=; b=Mf+hxfgVfve//bOFUBOeJJDmwE93fD6VkvMOzHgPgmDCQ70ygyXV11Yaz0yOqT+Z0v6VDvkL8warf79hF/vTdEyVlFdqcYsvvnmiryxg8ceP9X+Qc4wmshIlcyRJqx3gDX/bwrzXNnOl685ac8yHt7XkGedPv/NWSGIRN4zxOro= Authentication-Results: google.com; dkim=none (message not signed) header.d=none;google.com; dmarc=none action=none header.from=fb.com; Received: from BYAPR15MB4136.namprd15.prod.outlook.com (2603:10b6:a03:96::24) by BYAPR15MB3144.namprd15.prod.outlook.com (2603:10b6:a03:fe::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3109.22; Fri, 19 Jun 2020 22:57:07 +0000 Received: from BYAPR15MB4136.namprd15.prod.outlook.com ([fe80::48e3:c159:703d:a2f1]) by BYAPR15MB4136.namprd15.prod.outlook.com ([fe80::48e3:c159:703d:a2f1%5]) with mapi id 15.20.3109.021; Fri, 19 Jun 2020 22:57:07 +0000 Date: Fri, 19 Jun 2020 15:57:04 -0700 From: Roman Gushchin To: David Rientjes CC: Andrea Arcangeli , Yang Shi , , Joerg Roedel , Linux Kernel Mailing List , Linux MM , Michal Hocko , Johannes Weiner , "Kirill A. Shutemov" , Andrew Morton , Wei Yang Subject: Re: kernel BUG at mm/huge_memory.c:2613! Message-ID: <20200619225704.GC237539@carbon.dhcp.thefacebook.com> References: <20200619001938.GA135965@carbon.dhcp.thefacebook.com> <20200619011449.GC135965@carbon.dhcp.thefacebook.com> <20200619024026.GB21081@redhat.com> <20200619185540.GB217189@carbon.lan> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: BY5PR03CA0025.namprd03.prod.outlook.com (2603:10b6:a03:1e0::35) To BYAPR15MB4136.namprd15.prod.outlook.com (2603:10b6:a03:96::24) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from carbon.dhcp.thefacebook.com (2620:10d:c090:400::5:a2a9) by BY5PR03CA0025.namprd03.prod.outlook.com (2603:10b6:a03:1e0::35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3109.23 via Frontend Transport; Fri, 19 Jun 2020 22:57:06 +0000 X-Originating-IP: [2620:10d:c090:400::5:a2a9] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: aae7227b-684a-40b9-9892-08d814a4175b X-MS-TrafficTypeDiagnostic: BYAPR15MB3144: X-Microsoft-Antispam-PRVS: X-FB-Source: Internal X-MS-Oob-TLC-OOBClassifiers: OLM:3968; X-Forefront-PRVS: 0439571D1D X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: R/G/8oEb7vQBmOB64xLWRxv50peqSOFGnv32FrbJ+Nnoh78GcFJclw5GkEZDLzeCagxIJgYEyZ9cuvOdgumft6u/wwd4EfdWj/0/VQwI5fPNF/5oe5n2r7oXsia+f4tqyzVD5xF+yk3MU4PLORZjbLvB2qXCk7QR54VDBrgKByXqD7yGu1Ka4YC/UkartCMtR/jayT9rLWWN1Mn23JrWRCceX29rS6dEZhiAw4pVjR/7fsfdIGDm5ljsHlSTTbJadTDK6uttEYvf2jMHqxyF86dUwdP1RlTMHootpk3qz7asfBqPXwNwEnrmfQcJQh0II6Xlyfr5IaPqBGROPUw2U8Ujm8iZxh+cHOBXDdIlq85Nt6ITKIcL/RYdsjdxguft X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR15MB4136.namprd15.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(136003)(346002)(376002)(366004)(39860400002)(396003)(2906002)(86362001)(66946007)(1076003)(66476007)(66556008)(16526019)(478600001)(7416002)(186003)(54906003)(316002)(9686003)(8936002)(55016002)(7696005)(52116002)(8676002)(6916009)(33656002)(4326008)(5660300002)(83380400001)(6506007)(14583001);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData: 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 X-MS-Exchange-CrossTenant-Network-Message-Id: aae7227b-684a-40b9-9892-08d814a4175b X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jun 2020 22:57:07.3128 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: F8C7lOXC5CwRSQfGMtw2CoZOy7+D/iSLpeWlT3eNLDrdmR1AYmZ7/usSg/PxOkXk X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB3144 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.687 definitions=2020-06-19_22:2020-06-19,2020-06-19 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 phishscore=0 cotscore=-2147483648 spamscore=0 suspectscore=1 clxscore=1015 mlxscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 adultscore=0 mlxlogscore=999 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006190160 X-FB-Internal: deliver X-Rspamd-Queue-Id: CAB063D669 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jun 19, 2020 at 01:56:28PM -0700, David Rientjes wrote: > On Fri, 19 Jun 2020, Roman Gushchin wrote: > > > [ 40.287524] BUG: unable to handle page fault for address: ffffa77b833df000 > > [ 40.287529] #PF: supervisor write access in kernel mode > > [ 40.287531] #PF: error_code(0x000b) - reserved bit violation > > [ 40.287532] PGD 40d14e067 P4D 40d14e067 PUD 40d14f067 PMD 3ec54d067 > > PTE 80001688033d9163 > > [ 40.287538] Oops: 000b [#2] SMP NOPTI > > [ 40.287542] CPU: 9 PID: 1986 Comm: pulseaudio Tainted: G D > > 5.8.0-rc1+ #697 > > [ 40.287544] Hardware name: Gigabyte Technology Co., Ltd. > > AB350-Gaming/AB350-Gaming-CF, BIOS F25 01/16/2019 > > [ 40.287550] RIP: 0010:__memset+0x24/0x30 > > [ 40.287553] Code: cc cc cc cc cc cc 0f 1f 44 00 00 49 89 f9 48 89 > > d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 > > 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 > > d1 f3 > > [ 40.287556] RSP: 0018:ffffa77b827a7e08 EFLAGS: 00010216 > > [ 40.287558] RAX: 0000000000000000 RBX: ffff90f77dced800 RCX: 00000000000008a0 > > [ 40.287560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa77b833df000 > > [ 40.287561] RBP: ffff90f7898c7000 R08: ffff90f78c507768 R09: ffffa77b833df000 > > [ 40.287563] R10: ffffa77b833df000 R11: ffff90f7839f2d40 R12: 0000000000000000 > > [ 40.287564] R13: ffff90f76a802e00 R14: ffffffffc0cb8880 R15: ffff90f770f4e700 > > [ 40.287567] FS: 00007f3d8e8df880(0000) GS:ffff90f78ee40000(0000) > > knlGS:0000000000000000 > > [ 40.287569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [ 40.287570] CR2: ffffa77b833df000 CR3: 00000003fa556000 CR4: 00000000003406e0 > > [ 40.287572] Call Trace: > > [ 40.287584] snd_pcm_hw_params+0x3fd/0x490 [snd_pcm] > > [ 40.287593] snd_pcm_common_ioctl+0x1c5/0x1110 [snd_pcm] > > [ 40.287601] ? snd_pcm_info_user+0x64/0x80 [snd_pcm] > > [ 40.287608] snd_pcm_ioctl+0x23/0x30 [snd_pcm] > > [ 40.287613] ksys_ioctl+0x82/0xc0 > > [ 40.287617] __x64_sys_ioctl+0x16/0x20 > > [ 40.287622] do_syscall_64+0x4d/0x90 > > [ 40.287627] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > > Hi Roman, > > If you have CONFIG_AMD_MEM_ENCRYPT set, this should be resolved by > > commit dbed452a078d56bc7f1abecc3edd6a75e8e4484e > Author: David Rientjes > Date: Thu Jun 11 00:25:57 2020 -0700 > > dma-pool: decouple DMA_REMAP from DMA_COHERENT_POOL > > Or you might want to wait for 5.8-rc2 instead which includes this fix. > Hello, David! Thank you for pointing at it! Unfortunately, there must be something wrong with drivers, your patch didn't help much. I still see the same stacktrace. I'll try again after 5.8-rc2 will be out. Thanks!