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=-7.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 B0014C4338F for ; Thu, 29 Jul 2021 06:52:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F363608FB for ; Thu, 29 Jul 2021 06:52:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234391AbhG2Gw7 (ORCPT ); Thu, 29 Jul 2021 02:52:59 -0400 Received: from mx0a-00069f02.pphosted.com ([205.220.165.32]:52046 "EHLO mx0a-00069f02.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234312AbhG2Gw6 (ORCPT ); Thu, 29 Jul 2021 02:52:58 -0400 Received: from pps.filterd (m0246617.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 16T6pZ5s003279; Thu, 29 Jul 2021 06:52:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : in-reply-to : content-type : content-transfer-encoding : mime-version; s=corp-2021-07-09; bh=pOqwfaDDEJ5ORDkm0OhEgZExqmOZpOW8FVqonTOOoOc=; b=reRGafoj5wuag1vg7V/MRHjmxveI9QFQdroOtdSaLlbKr96iu1KhFOtemOqDy1f2N+IA +qf03Tpv1T9H0jLqJrOZVCYtQy5JH1V5JyWpSjd7YZViqah5PzucOGqj9XVkaRv9uP1q 9E3X2riP/lcQ721wNuGQTEBcLuMbLcsmiMkoJbPyHomqIxwURqX93WGB9rk97xt9/sl3 A5DLCgsug6kIAadj7UTL9KnCXsX7vL85fLRvtOtKbsZL21iqwvcbT3C5K4X3FmYb/gRk +CuG4Pa2fDkGBlxBTKkifmIvwvbuoooL3kPRjIRple8s5TOHfeYAdZczKlh70gDhw/KX +g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : in-reply-to : content-type : content-transfer-encoding : mime-version; s=corp-2020-01-29; bh=pOqwfaDDEJ5ORDkm0OhEgZExqmOZpOW8FVqonTOOoOc=; b=nxmYfF4w0ieK4qPWO20ENwVTVbDNyXP6c5wxWMt7EtU/2Z+3A8Ms6jzXdqmO+bYM0xM7 sRBpsehpJBD3rWArXR1QePMDqGQI0tsppRu/2/xr/UN0AhMnwH7N7WjUpPf0wnY6vGnY w3ux22KPs67kZypIe2olxeQ46G3x13aVbxfRsqv+36hmVeYd6qQM2zJJNbuWw8e43oY3 cSYQkG5MGjk7RWIncgJWZjq0cZn6mkY70dNCaNHYwEqfsFKHTlHjG2sfGJ3bpt6al0AV Ts6ZMmKbLTneQ+n58G+WBW87t9k46XOAoF4SqP7LF5WFXEEJZrq6Xs9flp0IFifP0/0c qg== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by mx0b-00069f02.pphosted.com with ESMTP id 3a234w6fv1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 29 Jul 2021 06:52:55 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 16T6oqtN015368; Thu, 29 Jul 2021 06:52:53 GMT Received: from nam11-co1-obe.outbound.protection.outlook.com (mail-co1nam11lp2170.outbound.protection.outlook.com [104.47.56.170]) by userp3020.oracle.com with ESMTP id 3a2350a882-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 29 Jul 2021 06:52:53 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=YPxD8Y59jioCACwmo6iCcvcaLFcjST2wGz2dhn6qdsQ51XT2jbbRom1o2IyoloDgSCdexPMdGEYDsriHY8pRD84hyI++QRyKmo44mZOSCYZ7hMqkAJKuGCLTashmAfGuGP6vKV/7lzd/vV2TOYPtalEUns3LD+3CRw4ER1llbsycRbB79FSjn6PDaBRaufurXzbxCCs8rzI9W3Af5f3HMDQNxOWJGQo8COH/31XOmEbsOeBY0w24dGV6blRvsLqRYkI4rAH8Ecgt9K9L5bfdbTU1VdN0Tdzr1DmQrBq4koJrQz+jZUBRXUpbswtbkCylSuEOngnanWjEEpHIvu9bYQ== 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=pOqwfaDDEJ5ORDkm0OhEgZExqmOZpOW8FVqonTOOoOc=; b=WV2rj3ZQCe9PWuBvYNQbDJWHzXEEw0EtGjQr9ugaj5X8GAFW1YPdFw18bsjCFD8FTnrk+3PhV8IFE0TBjdR595dpHvf7Q7dXfl9O5UYf5dnZrHlgM0Pz+2+GtTUP9PEJCCUVRjf0MFaHr2V1n/5x98KViy2a1MnoCoM+uSWBGMj0j5OT6GN7G63DQtW63Hx8WMmFVc4kOrEWH0t2Yi3Y4YZwqq9oZwcOe16aoX9xD+8s0b0NbnysAL/Iv2MoHZIS8aAnOgb5s5yKmWiWldwwcSx+mmeJk28NFXIqa3sbRCX1DlKhCvQdG2g6l5ULWO2VTy2lqMlgCXKbM34ilBszqg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=pOqwfaDDEJ5ORDkm0OhEgZExqmOZpOW8FVqonTOOoOc=; b=PrIYakp3ewFNAzk2bM1SldBOZqKFFwdLYuoZI4E6iR1s8s8pC/FsFhASzqk1qG7VtlLYQXmFjnMwbPDAWtj/bT8K/VNjU2SlDO2lQvg0ui0EfRAftUuPNtyc4DaB7El758LnJQNO8Q8aZyk5wjSjYHBi2+cDMB8LMY29/REUXbc= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=oracle.com; Received: from SJ0PR10MB4494.namprd10.prod.outlook.com (2603:10b6:a03:2d4::12) by BY5PR10MB4131.namprd10.prod.outlook.com (2603:10b6:a03:206::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4373.21; Thu, 29 Jul 2021 06:52:51 +0000 Received: from SJ0PR10MB4494.namprd10.prod.outlook.com ([fe80::5de5:d174:9459:6d21]) by SJ0PR10MB4494.namprd10.prod.outlook.com ([fe80::5de5:d174:9459:6d21%6]) with mapi id 15.20.4373.021; Thu, 29 Jul 2021 06:52:51 +0000 Subject: Re: [PATCH v3 0/1] RDMA/rxe: Bump up default maximum values used via uverbs To: Zhu Yanjun , Jason Gunthorpe Cc: RDMA mailing list References: <20210718225905.58728-1-Rao.Shoaib@oracle.com> <54817f70-e7e5-d145-badf-268ba7533110@oracle.com> <20210727174144.GE543798@ziepe.ca> From: Shoaib Rao Message-ID: <6687ea04-c402-1b4e-dce0-386d29948ecc@oracle.com> Date: Wed, 28 Jul 2021 23:52:48 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-ClientProxiedBy: SN4PR0501CA0028.namprd05.prod.outlook.com (2603:10b6:803:40::41) To SJ0PR10MB4494.namprd10.prod.outlook.com (2603:10b6:a03:2d4::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [IPv6:2606:b400:400:7444:8000::4a6] (2606:b400:8301:1010::16aa) by SN4PR0501CA0028.namprd05.prod.outlook.com (2603:10b6:803:40::41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4373.9 via Frontend Transport; Thu, 29 Jul 2021 06:52:50 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ae45ef61-df0f-4a15-e506-08d9525d7bd7 X-MS-TrafficTypeDiagnostic: BY5PR10MB4131: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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:SJ0PR10MB4494.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(136003)(39860400002)(346002)(396003)(376002)(366004)(8676002)(186003)(110136005)(5660300002)(36756003)(316002)(31696002)(53546011)(31686004)(478600001)(6486002)(2616005)(2906002)(66946007)(66476007)(66556008)(4326008)(86362001)(38100700002)(8936002)(45980500001)(43740500002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?NmNmdFpvV1NRNXhpMlJMbE4zUUw4R3F6cm9FYnhRWFlSM1IxbnNLT2FoT0FM?= =?utf-8?B?Wklpa3RpVXZDeXhZYmhTUnlmS1lTWmdPK09hclppTk1yRmRWUlEzak56UzJ0?= =?utf-8?B?YjM3a2VzcVlTY0tiRUVmTWtKNXp6bEdNbEt5MG0rVmdZdHFNMTNnNkNpRW1R?= =?utf-8?B?NUw1NTIybWtDejREald0QmExajZJVjQ0NHorSlVLY1c2ejhIRlkyRkF6SkRR?= =?utf-8?B?Z1N3Y282S2h6S3dDL1FUZXVIZE4rcHJqKzg0NDBVaHNudGUwOTdLREdQTTZB?= =?utf-8?B?YSt2dHZkMTRvS29LUWc4NkZQNlZ3ak51WEU1c09oVmNaLzNacEpaUStEK3px?= =?utf-8?B?QktaSlUxTVVDU2hHb3d0NzY5VFNMV1oxcWxPdEVJRU8wZzYrZFdwMjBDRVpP?= =?utf-8?B?cUw0WVN0ZHZqVVFyUXJlSjduMnltNlo3WmVLcEVIdnhIREdsbytXUlNlamIx?= =?utf-8?B?YktHWGJmRVhOeUhpOEcxTzl0VUxtaWVNTGRhSHVMMTV4ay80S1Y4SzBFUXJl?= =?utf-8?B?c2F2VmhZRlgxZzltL2tTR0UrOThFUkNLRmdnajVmTW5EUFFtZEpMcWQzU3lj?= =?utf-8?B?THpjK1RzQ2V5Wm5uNzRQMzN3ZnVuRXhxZTE0U2lZQjVwVnQ4bHJMNHJXeXN2?= =?utf-8?B?VnRqSXZOSVl0eXBvOTdrL1Z0d0RwWXRYM1hINW83ZWlCYS9nb0hMbXV4Y0ph?= =?utf-8?B?V1hnTkNZd1FkalhxZjJyREZWNkdVSFZIeGs2cGRubmVMcktXVm1kanFSbEdr?= =?utf-8?B?dy9rN1lraGdvcks1QWNrOG5ybnRKVVNmNGpyUTRlbWFDelZ3VnNuSXZTcHk0?= =?utf-8?B?RjlJTDJFbWlNK3ZYQ3ZvQ25iS0ZzNEdqVXl1N1pnZDF3NUdtL1lpYUt2ZnZI?= =?utf-8?B?RXdIR1ZHcFZYdWpMSEJJSU1HSVFLa0ZrQ0lnNG5STHpabUk2TkN4cjBjQUlh?= =?utf-8?B?YnVnNld4UlpvM0JzdDZ2U3k4VFVkcmxvMWRvaHVKQjh5Q0tZYzlaVjVEM1ZO?= =?utf-8?B?KzQ3VHovTUw4dUR3dnF4MjY3aFBIcXFKZzZxdldGTmYxM2VtcnhDQ3JUTEtD?= =?utf-8?B?ZURQWGFhOVpLOGRTMlNIMnI1RndQYmM1WDQvL1hQb1QxQnF3WkdNdmhFMzZR?= =?utf-8?B?L0NabWxxS09KWUFoK2VMYThLZ1lNMEhpTnJsTytjZzlUeVF4SWhOSHowak5Z?= =?utf-8?B?QVdUSGJ1Lzk2SGQ5SHRsc3ZvTVE0SG1WL002TmI1SnREZW1mWWtLTVZ4bkxi?= =?utf-8?B?QmFTNmVYZ0RnNWlVSUtEWFBjM25ncVhuYlJlakJIcHE1bEtmRDU2SlZrdUJ0?= =?utf-8?B?dW9hd1RnZWhRZUpKa2pHNS9ZOGdZYnRUc3YzSHRmY2h5V2l1Y3ZhQithRjBK?= =?utf-8?B?THV6OVpWeVBYV3ZVR1NsQzV1d3QvZ0RPeWhKQktxTkM3U1RsbFdleWlKdThM?= =?utf-8?B?K1J1b0xDRUprdGJMVkdJaUU4empKbXJSYnd0WmZoV0swVWtqcGk0RlRLT1Ix?= =?utf-8?B?Q2VLNUltRHFsNkVNeFpBaUFPelgxcFQzcHZxUGJMckJ3NE9HQ3ovRXJOMFhZ?= =?utf-8?B?VnYxd1Z0T1lvWnhVa1JOWDJVcDdmTFZPamgxS29SdUlIaW9JN2tXUWJINFAv?= =?utf-8?B?T05EZnU1Q2xHVjl2S3BsREtkUERBNnp1aHE1dUtmTjNiNXlBdnFhMTlnY0tV?= =?utf-8?B?YTBJdlJFVEJhUVpaSzNjZnIraEFKeWF6eVIwMkE4dDMwV2hyc0lkY054VnFo?= =?utf-8?B?MmJlWG0zU0NCRjlTemtHb2Q5QUl0ZElwSzN5dGIzRGdFMmxpdmJkTCs0M0Va?= =?utf-8?B?N0VSeFFFdVBVcW94SXc2UT09?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: ae45ef61-df0f-4a15-e506-08d9525d7bd7 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR10MB4494.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jul 2021 06:52:51.4132 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: mEj+MGDxaye04dqpk2JZP0fQ4yBJlXvxPKPz3n0RRnZnL90BGJ4zA5JKHcOldxoGGxvm1JxbM1fw0caO6HA0gQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR10MB4131 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=10059 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 spamscore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 phishscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2107290047 X-Proofpoint-ORIG-GUID: bf8e2HMj-x5kZxrTILX84StfJOB0WdYF X-Proofpoint-GUID: bf8e2HMj-x5kZxrTILX84StfJOB0WdYF Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On 7/28/21 11:42 PM, Zhu Yanjun wrote: > On Wed, Jul 28, 2021 at 1:42 AM Jason Gunthorpe wrote: >> On Tue, Jul 27, 2021 at 09:15:45AM -0700, Shoaib Rao wrote: >>> Hi Jason et al, >>> >>> Can I please get an up or down comment on my patch? >> Bob and Zhu should check it > In my daily tests, I found that one host 5.12-stable, the other host > is 5.14.-rc3 + this commit. > rping can not work. Sometimes crash will occur. Can you paste the stack? > > It seems that changing maximum values breaks backward compatibility. > > But without this commit, that is, 5.12-stable <-------> 5.14-rc3, > rping can work well. That is strange because all the large values do is initialize the pool with large values. Nothing else. So unless large values are used there should be no issues. Is it possible that the issue is with 5.14-rc3. Do things work between 5.12-stable systems. Anyways, please post the stack trace and also information on the setup and rping commands used. Shoaib > > Zhu Yanjun >> Jason