Date: Thu, 11 Dec 2008 10:52:49 +0200 From: Jonathan McKeown <jonathan@hst.org.za> To: freebsd-hackers@freebsd.org Cc: Giorgos Keramidas <keramida@ceid.upatras.gr>, Jonathan McKeown <jonathan+freebsd-hackers@hst.org.za> Subject: Re: Enhancing cdboot [patch for review] Message-ID: <200812111052.50082.jonathan@hst.org.za> In-Reply-To: <87prjzw156.fsf@kobe.laptop> References: <493DA269.2070805@FreeBSD.org> <200812110837.26316.jonathan%2Bfreebsd-hackers@hst.org.za> <87prjzw156.fsf@kobe.laptop>
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On Thursday 11 December 2008 10:45:41 Giorgos Keramidas wrote: > On Thu, 11 Dec 2008 08:37:26 +0200, Jonathan McKeown <jonathan+freebsd-hackers@hst.org.za> wrote: > > While you're enhancing cdboot anyway, can I ask how complicated it > > would be to make cdboot serial-console capable? (I'm not a C > > programmer, I'm a sysadmin - but I'd be prepared to try and look at > > this myself if no-one else is interested). > > > > As it stands, the only way I've found to do a serial-console CD-based > > installation is by enabling the serial console in /boot/loader.conf, > > by which time you've already missed several useful points, > > particularly the entry to BIOS settings (if you have a serial-capable > > BIOS). > > cdboot runs long after the prompt for BIOS setup. I don't think we can > modify cdboot to add serial console support to systems whose BIOS setup > doesn't support it. Sorry, of course you're right: I'm talking nonsense. It's the stage immediately after that that isn't available. I wish I could remember why I thought that had caused me a problem once. Certainly there's a big chunk of the boot process that is accessible through a serial console on a disk-based boot that's not available on a serial-console boot.
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