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Tue, 16 Aug 2016 20:23:45 +0000 Received: from DM2PR05MB751.namprd05.prod.outlook.com ([10.141.178.148]) by DM2PR05MB751.namprd05.prod.outlook.com ([10.141.178.148]) with mapi id 15.01.0587.005; Tue, 16 Aug 2016 20:23:44 +0000 From: Alex Bowden To: "freebsd-infiniband@freebsd.org" Subject: Set non blocking on /dev/rdma_cm Thread-Topic: Set non blocking on /dev/rdma_cm Thread-Index: AQHR9/Ra19SP/34IP0+fVdY/IpOONw== Date: Tue, 16 Aug 2016 20:23:44 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=softfail (sender IP is 10.152.66.60) smtp.mailfrom=outlook.com; freebsd.org; dkim=none (message not signed) header.d=none;freebsd.org; dmarc=fail action=none header.from=outlook.com; received-spf: SoftFail (protection.outlook.com: domain of transitioning outlook.com discourages use of 10.152.66.60 as permitted sender) x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [skKhKoMi2g8LTIrsdlk2/2G6YWD6WQKB] x-eopattributedmessage: 0 x-forefront-antispam-report: CIP:10.152.66.60; 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BCL:0; PCL:0; RULEID:(1601124038)(1601125047); SRVR:BN3NAM01HT195; x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(432015012)(82015046); SRVR:BN3NAM01HT195; BCL:0; PCL:0; RULEID:; SRVR:BN3NAM01HT195; x-forefront-prvs: 0036736630 spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Aug 2016 20:23:44.1715 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3NAM01HT195 X-OriginalArrivalTime: 16 Aug 2016 20:23:46.0653 (UTC) FILETIME=[176158D0:01D1F7FC] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-infiniband@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Infiniband on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Aug 2016 20:23:53 -0000 Hi all, I've modified rping to set O_NONBLOCKING on /dev/rdma_cm on the event chann= el (rdma_create_event_channel) which fails like this: 9997 rping CALL openat(AT_FDCWD,0x800a42708,0x100002,0) 9997 rping NAMI "/dev/rdma_cm" 9997 rping RET openat 3 ..snip.. 9997 rping CALL fcntl(0x3,F_SETFL,0x6) 9997 rping RET fcntl -1 errno 25 Inappropriate ioctl for device Is this not supported for some reason? This is with the latest OFED v3.2 pa= tches by Hans. The manpage for rdma_create_event_channel seems to state you can set non-bl= ocking on it. -Alex