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Date:      Wed, 28 Nov 2001 13:36:10 -0500 (EST)
From:      Robert Watson <rwatson@freebsd.org>
To:        Paul Saab <ps@freebsd.org>
Cc:        "Daniel C. Sobral" <daniel.sobral@tcoip.com.br>, Wilko Bulte <wkb@freebie.xs4all.nl>, "Daniel C. Sobral" <dcs@freebsd.org>, cvs-committers@freebsd.org, cvs-all@freebsd.org
Subject:   Re: cvs commit: src/sys/boot/common panic.c
Message-ID:  <Pine.NEB.3.96L.1011128133500.37721S-100000@fledge.watson.org>
In-Reply-To: <20011128103448.A70199@elvis.mu.org>

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On Wed, 28 Nov 2001, Paul Saab wrote:

> > With pxeboot, I can replace the loader on whim; if I'm pulling stuff in
> > and out using an NFS root I can change the sets of modules and scripts run
> > remotely, etc.  When you say "console intervention", do you include the
> > serial console?  If so, no problem; if not, then I'd rather have a
> > spinning boot than have to hit a key on the real system console :-).
> > 
> > Of course, one of the things I dislike about my current batch of PXE boxes
> > is that if PXE fails, it requires a console keypress to try again without
> > hard booting :-(.
> 
> Not if you compile BTX with BOOT_BTX_NOHANG defined.

Appears to be a function of the PXE bios on this box.  If DHCP fails to
find a source for a loader, or if tftp rejects the request, the bios will
ask you to insert a system disk and press enter.  If you hit enter, it
will try PXE again. 

Robert N M Watson             FreeBSD Core Team, TrustedBSD Project
robert@fledge.watson.org      NAI Labs, Safeport Network Services



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