Date: Tue, 19 Jun 2018 20:34:18 -0400 From: Allan Jude <allanjude@freebsd.org> To: Eugene Grosbein <eugen@grosbein.net>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r335276 - in head/stand/i386: gptboot zfsboot Message-ID: <93b03eb5-326b-5df1-5d41-ae3da163e894@freebsd.org> In-Reply-To: <5B2646B3.4020200@grosbein.net> References: <201806170318.w5H3IvJP090557@repo.freebsd.org> <5B2646B3.4020200@grosbein.net>
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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
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