From owner-svn-src-head@freebsd.org Wed Jun 20 00:34:19 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 845CD1018E73; Wed, 20 Jun 2018 00:34:19 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from mx1.scaleengine.net (mx1.scaleengine.net [209.51.186.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2366B7DB14; Wed, 20 Jun 2018 00:34:19 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from [10.1.1.2] (Seawolf.HML3.ScaleEngine.net [209.51.186.28]) (Authenticated sender: allanjude.freebsd@scaleengine.com) by mx1.scaleengine.net (Postfix) with ESMTPSA id 788CF1A959; Wed, 20 Jun 2018 00:34:18 +0000 (UTC) Subject: Re: svn commit: r335276 - in head/stand/i386: gptboot zfsboot To: Eugene Grosbein , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org References: <201806170318.w5H3IvJP090557@repo.freebsd.org> <5B2646B3.4020200@grosbein.net> From: Allan Jude Openpgp: preference=signencrypt Autocrypt: addr=allanjude@freebsd.org; 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WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <5B2646B3.4020200@grosbein.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Jun 2018 00:34:19 -0000 On 2018-06-17 07:32, Eugene Grosbein wrote: > 17.06.2018 10:18, Allan Jude wrote: > >> Author: allanjude >> Date: Sun Jun 17 03:18:56 2018 >> New Revision: 335276 >> URL: https://svnweb.freebsd.org/changeset/base/335276 >> >> Log: >> gptboot, zfsboot, gptzfsboot: Enable the video and serial consoles early >> >> Normally the serial console is not enabled until /boot.config is read and >> we know how the serial console should be configured. Initialize the >> consoles early in 'dual' mode (serial & keyboard) with a default serial >> rate of 115200. Then serial is re-initialized once the disk is decrypted >> and the /boot.config file can be read. >> >> This allows the GELIBoot passphrase to be provided via the serial console. >> >> PR: 221526 >> Requested by: many >> Reviewed by: imp >> Sponsored by: Klara Systems >> Differential Revision: https://reviews.freebsd.org/D15862 > > I had several cases when booting FreeBSD/amd64 with motherboard having no serial ports > hang hard early at boot unless I rebuilt boot media configuring it to NOT try accessing > missing serial ports. I even could reproduce that with VirtualBox machine configured > with no serial ports (not same as existing bug inactive serial port). > > Should there be some way to disable this serial ports configuration at compile time? > > > I think what we'll do it compile it both ways, and use the non-serial one by default, because it is safer. Then you can just use 'gptboot-serial' if you want serial support. This will likely make Warner a bit sad, since we are just finally getting around to reducing the number of different bootcode files. -- Allan Jude