From owner-freebsd-hackers@FreeBSD.ORG Thu Feb 21 12:42:38 2013 Return-Path: Delivered-To: hackers@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id AC514DA2 for ; Thu, 21 Feb 2013 12:42:38 +0000 (UTC) (envelope-from prvs=176432f767=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 4F439D07 for ; Thu, 21 Feb 2013 12:42:37 +0000 (UTC) Received: from r2d2 ([188.220.16.49]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50002324026.msg for ; Thu, 21 Feb 2013 09:03:28 +0000 X-Spam-Processed: mail1.multiplay.co.uk, Thu, 21 Feb 2013 09:03:28 +0000 (not processed: message from valid local sender) X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=176432f767=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: hackers@freebsd.org Message-ID: From: "Steven Hartland" To: "Daniel O'Connor" References: <20130220065810.GA25027@psconsult.nl> <20130220074655.GA59952@psconsult.nl> <20130220111339.GA65661@psconsult.nl> <8C2980B2-3B2C-4081-9287-39EFB47ABC3D@gsoft.com.au> <20130220203148.GA1803@psconsult.nl> <1BC5F51A18464B83BA79890CC349128C@multiplay.co.uk> Subject: Re: IPMI console [Re: Chicken and egg, encrypted root FS on remote server] Date: Thu, 21 Feb 2013 09:03:45 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Cc: hackers@freebsd.org, Paul Schenkeveld X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2013 12:42:38 -0000 ----- Original Message ----- From: "Daniel O'Connor" > On 21/02/2013, at 9:06, "Steven Hartland" wrote: >>> If I change the console redirect to com1, my screen stays blank. Would >>> you perhaps know how to use com1 for redirect and connect to it using >>> ipmi-console (or ipmi-tool)? >> >> We use the following on Supermicro servers works fine:- >> http://blog.multiplay.co.uk/2012/12/freebsd-serial-over-lan/ > > > Nice! > > BTW do you know what flag 0x20 does for UART? 0x10 is documented but 0x20 is not. > > I had a quick look at the code and AFAIK it doesn't do anything (on 9.1 anyway). > > Actually at a guess I would say it's a hangover from sio(4) where 0x20 forced the > device in question to be the console. According to the handbook, where I got the settings from, 0x20: "Forces this unit to be the console (unless there is another higher priority console), regardless of the -h option discussed below. The flag 0x20 must be used together with the 0x10 flag." Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.