From owner-freebsd-hackers@freebsd.org Wed Sep 2 22:13:49 2015 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 20AAE9C9669 for ; Wed, 2 Sep 2015 22:13:49 +0000 (UTC) (envelope-from rpokala@panasas.com) Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1bon0096.outbound.protection.outlook.com [157.56.111.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "MSIT Machine Auth CA 2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B40391FCD for ; Wed, 2 Sep 2015 22:13:48 +0000 (UTC) (envelope-from rpokala@panasas.com) Received: from CY1PR08MB1803.namprd08.prod.outlook.com (10.162.218.25) by CY1PR08MB1801.namprd08.prod.outlook.com (10.162.218.23) with Microsoft SMTP Server (TLS) id 15.1.256.15; Wed, 2 Sep 2015 22:13:38 +0000 Received: from CY1PR08MB1803.namprd08.prod.outlook.com ([10.162.218.25]) by CY1PR08MB1803.namprd08.prod.outlook.com ([10.162.218.25]) with mapi id 15.01.0256.013; Wed, 2 Sep 2015 22:13:38 +0000 From: "Pokala, Ravi" To: "freebsd-hackers@freebsd.org" Subject: Quick question: sc(4) vs vt(4) Thread-Topic: Quick question: sc(4) vs vt(4) Thread-Index: AQHQ5cyeqrODlPB0aE2qvnPtg/+DBQ== Date: Wed, 2 Sep 2015 22:13:38 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.5.4.150722 authentication-results: spf=none (sender IP is ) smtp.mailfrom=rpokala@panasas.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [64.80.217.3] x-microsoft-exchange-diagnostics: 1; CY1PR08MB1801; 5:MFcWm9egC0JGVOz9XLcDg6bylBcA0CC662VqQzHDb5rL6DJlRDs+wbnftMi2k9cSJvA0oCXmZKPg7CBxpB6Sl4699a8yEAiZelcWC0pOcDLSxYi/9zbgiPl2mQoEMl5tCe1QE6HKO9dLMMa+k+5uMw==; 24:zZ905iStAPzFN5ecrn0vTiq/0enxHsmLeb+ynQOLNZxPolH/bowYinKQ9+Fb5zPHkdobCPM6Q/AzBlKCRpA/pDkuvupJ5QjD/9NXTR6Cebk=; 20:NHfK9wcXyQ47bQFCh8xpo3KfVkSNHCHvp3L558edQpJkGyBUQV+pkRuG+Rg8YcJ1jt+Qz52ghCG4lrvWS869zQ== x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:CY1PR08MB1801; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(601004)(5005006)(8121501046)(3002001); SRVR:CY1PR08MB1801; BCL:0; PCL:0; RULEID:; SRVR:CY1PR08MB1801; x-forefront-prvs: 0687389FB0 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(6009001)(199003)(189002)(164054003)(189998001)(97736004)(5001960100002)(106116001)(2351001)(229853001)(5001860100001)(50986999)(5001830100001)(5002640100001)(450100001)(81156007)(4001350100001)(110136002)(105586002)(106356001)(107886002)(99286002)(4001540100001)(68736005)(77096005)(36756003)(83506001)(101416001)(77156002)(2501003)(86362001)(87936001)(19580395003)(62966003)(66066001)(5004730100002)(64706001)(102836002)(5007970100001)(54356999)(10400500002)(46102003)(92566002)(40100003)(2900100001)(122556002); DIR:OUT; SFP:1101; SCL:1; SRVR:CY1PR08MB1801; H:CY1PR08MB1803.namprd08.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; received-spf: None (protection.outlook.com: panasas.com does not designate permitted sender hosts) spamdiagnosticoutput: 1:23 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-ID: <78BD343A2105A142B911BAEDCB1E98A4@namprd08.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: panasas.com X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Sep 2015 22:13:38.4809 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: acf01c9d-c699-42af-bdbb-44bf582e60b0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR08MB1801 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Sep 2015 22:13:49 -0000 Hi folks, vt(4) says: kern.vty Set this value to `vt' or `sc' to override the default driver used for the system console. By default, sc(4) is used on com- puters that boot from BIOS, and vt is used on computers that boot from UEFI. Are there any known problems using vt(4) rather than sc(4) on systems booting with BIOS? One of our folks noticed that sc(4) has a bunch of dependencies, a bunch of which that are for obsolete hardware (AT keyboards and their controllers, splash screens, etc), that vt(4) does not. Thanks, Ravi