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Date:      Sun, 30 Dec 2007 08:32:16 +1100
From:      Peter Jeremy <peterjeremy@optushome.com.au>
To:        Chuck Robey <chuckr@chuckr.org>
Cc:        FreeBSD-Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: printing boot probe messages
Message-ID:  <20071229213216.GV40785@server.vk2pj.dyndns.org>
In-Reply-To: <477698D8.2040802@chuckr.org>
References:  <476AF132.4080304@chuckr.org> <86abo1g2pu.fsf@ds4.des.no> <476EA521.9020707@chuckr.org> <20071224131425.GF23337@cicely12.cicely.de> <47715E1F.9080502@chuckr.org> <86sl1qikam.fsf@ds4.des.no> <477440A2.4070601@chuckr.org> <86sl1n14vv.fsf@ds4.des.no> <477698D8.2040802@chuckr.org>

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On Sat, Dec 29, 2007 at 01:58:32PM -0500, Chuck Robey wrote:
>booting.  If I stick "-v" in /boot.config, then when the kernel probes, all
>the probes are verbose.  Stuff like my HDaudio card print incredibly
>verbose listings.  OK, that's what I will call here Print#1
>
>The other thing is what I can see if I see the ascii-graphical loader (the
>picture, in ascii-graphics, either of a BSDaemon, or of the letters
>"FreeBSD", and a list of about 9 options for booting.  If I select item #5,
>then I get a listing.  The listing is quite distinct from what I identify
>as Print#1, so I'll call this Print#2.  If I either hit return at that

There are no distinct names for what you call Print#1 and Print#2
because these outputs should be identical.  Within the kernel, the
verbosity is controlled by a boolean flag "bootverbose" - which is
visible via sysctl as "debug.bootverbose".

What differences are you seeing between the two outputs?
What is the content of your /boot.config and /boot/loader.conf (and
any other files you have changed in /boot)?

Can you please provide the output from "sysctl debug.boothowto" and "kenv"
in the the above two cases as well as a default boot.

I presume you aren't seeing any of this odd behaviour when you boot
=66rom an install CD.  It would really help if you reverted back to a
stock GENERIC kernel, with no local mods in / or /boot and then
started re-applying your changes one at a time to see what has gone wrong.

>I'm beginning, right now, to wonder: I increased the dmesg-buffer to 64K, I
>wonder if maybe that might possibly cause the bug?  I know it shouldn't,
>but it wouldn't be the first time this week that I found weird behaviour in
>the kernel: if you set the number of vtys from the default 16 down to 8,
>that caused me to lose keyboard input to my X11.

None of this should happen either.

--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.

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