From owner-freebsd-arm@freebsd.org Tue Nov 26 22:34:55 2019 Return-Path: Delivered-To: freebsd-arm@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C83451C3703 for ; Tue, 26 Nov 2019 22:34:55 +0000 (UTC) (envelope-from james@opentech.cc) Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-eopbgr770088.outbound.protection.outlook.com [40.107.77.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "GlobalSign Organization Validation CA - SHA256 - G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47MzHM47Ccz4LsY; Tue, 26 Nov 2019 22:34:55 +0000 (UTC) (envelope-from james@opentech.cc) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=QvxWRMmnI8hQ7xFQ63V/STfciskYocHGeuuV1FXTZuoWb77RthcaEO/Tv9yurlZ1dUdI5/PzZsyLM5tzjF3tmEF+mR4469FjcEbgRh1RhmnaoLO7zjiqmjcLt8BUmBmhMkcPOUfaIET9ynTyzE3c0eenQVTmUobyiRIesytdlnVGPqVxkPARJhw+5m1jN8bhq4t/a9F1PNbqfMcsMo3/ivJXdIsKCIoBmf9haI6YXLZg4mXOjQE8L4QG9dNFKt4dtPucfMWhr1Oq0Uv4Cyzwqxb2jXoTJRDr4lnYNxPf9CZDROb+/JkLZgF7H3zIpdJ1BXo8cw11fb+xkB8CqapTjA== 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=gQcE5938RJY2nzY0M2h0PpfKU2chtGXf/Ru57Za+HHc=; b=gsfENf720aT4m/QskY07Bher/tHBTP5YsMZQ8GC2eMNxY0FcjAP/xMPsbj4wFXHt/8gWTQ7RSCEYX+LDOFGJTv6iCSnLs63IqdanIZPtKGc7OeL1Pa1xNlAPNC0JDMZq9w/BkH8JkhbqNjJGyre4uQ1a0vyKpD2vYKXF2koiYRreCCdouDMaTG+v3Dtrg61JjbXWaU13Ta0Z8K6PzIVnV8v0j/6pVVa7EqobmxYEvIFX+eHUeXTAXp2XEIAWU3e035QWfKbKxTUlLj2oBUjXaGA6myNS7tnbicr6NdRDd+5Tdmm8hNvY02TfcsV+aw8AnlAMriuOf5ssP0Q9amm1yw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=opentech.cc; dmarc=pass action=none header.from=opentech.cc; dkim=pass header.d=opentech.cc; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=opentech.cc; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=gQcE5938RJY2nzY0M2h0PpfKU2chtGXf/Ru57Za+HHc=; b=MO3WeG874kbqqW9qnUAwQT6vqnjYrvDjkSttQp5al3TShhJ5yvJkzRXsiHoELqImUvkNbYiG/mFR+KO7OJ8loQNXe9yDdPfn/Yk6XKFojHudYjBF3YZ0tyKtWpFKkq3YilKjEzc+7/ChgolY1ruIlVq1t/icSJmMi79CGfllV+Y= Received: from MWHPR06MB3134.namprd06.prod.outlook.com (10.174.248.13) by MWHPR06MB3024.namprd06.prod.outlook.com (10.168.204.19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2474.16; Tue, 26 Nov 2019 22:34:51 +0000 Received: from MWHPR06MB3134.namprd06.prod.outlook.com ([fe80::1943:79aa:6d34:38ba]) by MWHPR06MB3134.namprd06.prod.outlook.com ([fe80::1943:79aa:6d34:38ba%7]) with mapi id 15.20.2474.023; Tue, 26 Nov 2019 22:34:50 +0000 From: James Shuriff To: Ian Lepore , Bakul Shah CC: "freebsd-arm@freebsd.org" Subject: RE: rpi3 clock drift Thread-Topic: rpi3 clock drift Thread-Index: AdWknyHEmPFTR5x9S769H5zoRTt2VgACaheAAAAZFQA= Date: Tue, 26 Nov 2019 22:34:50 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [71.251.5.193] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: bf3c602a-32fd-4467-02f1-08d772c0d9c1 x-ms-traffictypediagnostic: MWHPR06MB3024: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; x-forefront-prvs: 0233768B38 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(4636009)(39830400003)(136003)(376002)(346002)(366004)(396003)(13464003)(189003)(199004)(38564003)(64756008)(99286004)(66446008)(81166006)(14454004)(25786009)(305945005)(966005)(74316002)(508600001)(229853002)(26005)(102836004)(186003)(8936002)(5660300002)(7736002)(52536014)(8676002)(81156014)(14444005)(256004)(5024004)(6116002)(3846002)(6506007)(53546011)(76176011)(7696005)(66066001)(6246003)(86362001)(71200400001)(2906002)(4326008)(66556008)(55016002)(9686003)(6306002)(4001150100001)(6436002)(76116006)(316002)(66476007)(33656002)(446003)(11346002)(66946007)(7116003)(110136005)(71190400001); DIR:OUT; SFP:1101; SCL:1; SRVR:MWHPR06MB3024; H:MWHPR06MB3134.namprd06.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: opentech.cc does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: xef6HdKHXTr3nJtxMT0GPmtLfKw+Qz1gnA7tp1mLzqSwYRyFjzgshJJLWmt/cavJDOL7NZjDCp/v8tIp7zPGieLOvwAMf4buOn5G4fUpWR4A2gUPr10AsLkbJFZDrENvxsNLgPSIFSERhCBFCAMNze3KD+D0nQNUPMdjE6tf2xt/oRhlCEwmUGWHWCsE2uBzxbJJzAdbKYoYzFcGyI7Prdcebo+RCkIaK0+FGj7uQNrcfWI+iEfZHiLVP91vdiWIW90907be2bYkWXx4ombP4S+8wnNPgw+gB0JWM6DReo9OIPETWX2czRgD3bLfZ8Bu+sRaB1VVrN+Ubd5G3uA8TxYwz+Ai3Amw8bB2SJE7+EfuR0k1LE4SeB8gbGLCJSNGO4GxdIBNqhCqkXDAOGbRw2GaBZnSbSavjASQW38wP+JsExbP45j2+JrqlSoR4sihxBoAPcWerOhYfiEUwFXalA9zKspYV7CRLIbtJNwEWw0= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: opentech.cc X-MS-Exchange-CrossTenant-Network-Message-Id: bf3c602a-32fd-4467-02f1-08d772c0d9c1 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Nov 2019 22:34:50.7067 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5c5dd5ac-929c-48f6-a3f4-c0c8602c24af X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: yWt1Rbs2aSFAAtj1gjp1HKQVnF+BJdIg8fhcvOKoNk8PZqbk1b//5csNIFZPxvYV+u48MnoEJlm+VVWHU+P4rA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR06MB3024 X-Rspamd-Queue-Id: 47MzHM47Ccz4LsY X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-5.98 / 15.00]; NEURAL_HAM_MEDIUM(-0.99)[-0.988,0]; REPLY(-4.00)[]; NEURAL_HAM_LONG(-0.99)[-0.992,0] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Nov 2019 22:34:55 -0000 QmFrdWwsDQoNCkkgaGF2ZSBwcmV2aW91c2x5IHNldCB0aGUgZGF0ZSBtYW51YWxseSBhbmQgd2l0 aCBudHBkYXRlIGFuZCBJIHR1cm5lZCBvbiBudHBfc3luY19vbl9zdGFydCBzbyBJIGRvbid0IHRo aW5rIHRoZSBpc3N1ZSBpcyB0aGUgaW5pdGlhbCBkYXRlLg0KDQpJYW4sDQoNClRoZSBkcmlmdCBm aWxlIGlzIGF0IDAuMDAwLiBIZXJlIGlzIHRpbWVjb3VudGVyOg0KDQprZXJuLnRpbWVjb3VudGVy LmZhc3RfZ2V0dGltZTogMQ0Ka2Vybi50aW1lY291bnRlci50aWNrOiAxDQprZXJuLnRpbWVjb3Vu dGVyLmNob2ljZTogQVJNIE1QQ29yZSBUaW1lY291bnRlcigxMDAwKSBkdW1teSgtMTAwMDAwMCkN Cmtlcm4udGltZWNvdW50ZXIuaGFyZHdhcmU6IEFSTSBNUENvcmUgVGltZWNvdW50ZXINCmtlcm4u dGltZWNvdW50ZXIuYWxsb3dlZGRldmlhdGlvbjogNQ0Ka2Vybi50aW1lY291bnRlci50aW1laGFu ZHNfY291bnQ6IDINCmtlcm4udGltZWNvdW50ZXIuc3RlcHdhcm5pbmdzOiAwDQprZXJuLnRpbWVj b3VudGVyLnRjLkFSTSBNUENvcmUgVGltZWNvdW50ZXIucXVhbGl0eTogMTAwMA0Ka2Vybi50aW1l Y291bnRlci50Yy5BUk0gTVBDb3JlIFRpbWVjb3VudGVyLmZyZXF1ZW5jeTogNTQwMDAwMDANCmtl cm4udGltZWNvdW50ZXIudGMuQVJNIE1QQ29yZSBUaW1lY291bnRlci5jb3VudGVyOiAzNjA0NjE5 MTU2DQprZXJuLnRpbWVjb3VudGVyLnRjLkFSTSBNUENvcmUgVGltZWNvdW50ZXIubWFzazogNDI5 NDk2NzI5NQ0KDQpBcyBvZiB0aGlzIG1vbWVudCB0aGUgY2xvY2sgaGFzIGZhbGxlbiBiZWhpbmQg NDAgbWludXRlcy4NCg0KLSBKYW1lcyBTaHVyaWZmDQoNCi0tLS0tT3JpZ2luYWwgTWVzc2FnZS0t LS0tDQpGcm9tOiBJYW4gTGVwb3JlIDxpYW5AZnJlZWJzZC5vcmc+DQpTZW50OiBUdWVzZGF5LCBO b3ZlbWJlciAyNiwgMjAxOSA1OjI4IFBNDQpUbzogSmFtZXMgU2h1cmlmZiA8amFtZXNAb3BlbnRl Y2guY2M+OyBmcmVlYnNkLWFybUBmcmVlYnNkLm9yZw0KU3ViamVjdDogUmU6IHJwaTMgY2xvY2sg ZHJpZnQNCg0KT24gVHVlLCAyMDE5LTExLTI2IGF0IDIyOjAzICswMDAwLCBKYW1lcyBTaHVyaWZm IHdyb3RlOg0KPiBNeSBSYXNwYmVycnkgUGkgMyBNb2RlbCBCIGlzIGhhdmluZyBzb21lIHNlcmlv dXMgY2xvY2sgZHJpZnQgaXNzdWVzLg0KPiBOdHBkIGRvZXNuJ3QgZnVuY3Rpb24gZXZlbiB3aXRo IG50cGRfc3luY19vbl9zdGFydCwgd2hpY2ggY2FsbHMgbnRwZA0KPiB3aXRoIC1nIGFuZCBhbGxv d3MgdGhlIGluaXRpYWwgYWRqdXN0bWVudCB0byBleGNlZWQgdGhlIHBhbmljDQo+IHRocmVzaG9s ZC4gVGhpcyBkb2Vzbid0IGhlbHAgbWUgbXVjaCBiZWNhdXNlIHRoZSBzeXN0ZW0gd2lsbCBjb250 aW51ZQ0KPiB0byBkcmlmdCB2ZXJ5IHF1aWNrbHkgYW5kIHRoYXQgb3B0aW9uIG9ubHkgaGVscHMg Zm9yIHRoZSBpbml0aWFsDQo+IGFkanVzdG1lbnQuDQo+DQo+IEkgd2FzIHRoaW5raW5nIG9mIG9y ZGVyaW5nIGFuIEkyQyBSVEMgYnV0IEknbSB1bnN1cmUgaG93IHRvIG1ha2UNCj4gRnJlZUJTRCBh d2FyZSBvZiB0aGUgY2xvY2suDQo+DQo+IFRoZXJlIGlzIGEgZmlsZSBpbiB0aGUgUmFzcGJlcnJ5 IFBpIGZpcm13YXJlIHJlcG8gY2FsbGVkIGkyYy1ydGMuZHRibw0KPiBhbmQgaXQgY29udGFpbnMg ZGVmcyBmb3IgY2xvY2tzIGxpa2UgRFMxMzA3IHNvIEkgYW0gYXNzdW1pbmcgSSBjYW4gYWRkDQo+ IHRoaXMgdG8gY29uZmlnLnR4dCwgYnVpbGQgVS1Cb290IHdpdGggQ09ORklHX1JUQ19EUzEzMDcg KG9yIHdoYXRldmVyDQo+IG1vZGVsKSwgYW5kIGJ1aWxkIHRoZSBrZXJuZWwgd2l0aCBkZXZpY2Ug c3VwcG9ydCBmb3IgdGhlIGNsb2NrIGJ1dCBJJ20NCj4gbm90IGNvbXBsZXRlbHkgc3VyZSBpZiBJ J20gZ29pbmcgYWJvdXQgdGhpcyB0aGUgcmlnaHQgd2F5LiBCZXlvbmQganVzdA0KPiBnZXR0aW5n IEZyZWVCU0QgdG8gc2VlIHRoZSBjbG9jayBJJ20gdW5zdXJlIGhvdyB0byB0ZWxsIEZyZWVCU0Qg dG8gdXNlDQo+IGl0LiBBbnkgYWR2aWNlPw0KPg0KPiBUaGFua3MsDQo+DQo+IC0gSmFtZXMgU2h1 cmlmZg0KPg0KDQpZb3UncmUgb24gdGhlIHJpZ2h0IGJhc2ljIHRyYWNrIGZvciB0aGUgUlRDLi4u IHlvdSBuZWVkIHRvIGVuYWJsZSB0aGUgb3ZlcmxheSBmb3IgdGhlIG1vZGVsIHlvdSBjaG9vc2Ug aW4gY29uZmlnLnR4dCwgYW5kIGFkZCB0aGUgcmlnaHQgZHJpdmVyIHRvIHlvdXIgL2Jvb3QvbG9h ZGVyLmNvbmYgKHN1Y2ggYXMgbnhwcnRjX2xvYWQ9WUVTKS4gIFRoZSBkczEzMDcgaXMgYWJvdXQg dGhlIG1vc3QgZ2VuZXJpYyB5b3UgY2FuIGdldC4gIEkgcHJlZmVyIHRoZSBvbmVzIHRoYXQgY2Fu IGRvIHN1Yi1zZWNvbmQgcHJlY2lzaW9uOyBtb3N0IG9mIHRoZSBOWFAgY2hpcHMgY2FuIGRvIHNv IChQQ0Y4NXgzIG9yIFBDeDIxMjkpLiAgVGhpcyBpcyBhIG5pY2UgcnBpLXJlYWR5IG9uZToNCg0K ICAgaHR0cHM6Ly93d3cuc3VuZm91bmRlci5jb20vcGNmODU2My1yZWFsLXRpbWUtY2xvY2suaHRt bA0KDQpCdXQgYWRkaW5nIGFuIHJ0YyBpc24ndCBnb2luZyB0byBmaXggdGhlIG50cGQgY2xvY2sg ZHJpZnQgYXQgYWxsLg0KVGhlcmUgYXJlIDMgdGhpbmdzIEkgY2FuIHRoaW5rIG9mIHRoYXQgbWln aHQgY2F1c2UgdGhhdDoNCg0KIC0gYWN0dWFsIGhhcmR3YXJlIHRyb3VibGUgKHNvbWUgY2xvY2sg cnVubmluZyB0b28gZmFzdC9zbG93KS4NCiAtIGJhZCBkYXRhIHNvbWV3aGVyZSAoY2xvY2sgaXNu J3QgcnVubmluZyBhdCBzcGVlZCB3ZSB0aGluayBpdCBpcykuDQogLSBzb21laG93IGEgYmFkIHZh bHVlIGdvdCBpbnRvIC92YXIvZGIvbnRwL250cGQuZHJpZnQNCg0KSXQgd291bGQgYmUgaW50ZXJl c3RpbmcgdG8ga25vdyB3aGF0J3MgaW4gdGhlIG50cGQuZHJpZnQgZmlsZSBub3cuDQpJZiBpdCdz IHRoZSBwcm9ibGVtLCBpdCdzIGVhc3kgdG8gZml4LCB5b3UgY2FuIGp1c3QgcmVuYW1lIHRoZSBm aWxlIHRvIG50cGQuZHJpZnQuYmFkIGFuZCByZXN0YXJ0IG50cGQgc28gaXQnbGwgcmVnZW5lcmF0 ZSB0aGUgZmlsZS4NCg0KSXQgd291bGQgYWxzbyBiZSBpbnRlcmVzdGluZyB0byBzZWUgdGhlIG91 dHB1dCBvZg0KDQogIHN5c2N0bCBrZXJuLnRpbWVjb3VudGVyDQoNCmZyb20gdGhhdCBzeXN0ZW0u DQoNCi0tIElhbg0KDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0KIERJU0NMQUlN RVI6IFRoaXMgbWVzc2FnZSBhbmQgYW55IGF0dGFjaG1lbnRzIGFyZSBpbnRlbmRlZCBzb2xlbHkg Zm9yIHRoZSB1c2Ugb2YgdGhlIHJlY2lwaWVudCBhbmQgbWF5IGNvbnRhaW4gY29uZmlkZW50aWFs IGluZm9ybWF0aW9uLiBJZiB5b3UgaGF2ZSByZWNlaXZlZCB0aGlzIG1lc3NhZ2UgaW4gZXJyb3Ig cGxlYXNlIGRlbGV0ZSBpdCBhbmQgcHJvbXB0bHkgbm90aWZ5IHRoZSBzZW5kZXIsIEphbWVzIFNo dXJpZmYgKGphbWVzQG9wZW50ZWNoLmNjPG1haWx0bzpqYW1lc0BvcGVudGVjaC5jYz4pLg0K