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Date:      Mon, 15 Mar 1999 15:33:29 +0000
From:      Karl Pielorz <kpielorz@tdx.co.uk>
To:        Jon Passki <jonathan.passki@neicoltech.org>
Cc:        FreeBSD Questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Kernel Config
Message-ID:  <36ED2849.18696835@tdx.co.uk>
References:  <36ED2459.95632872@neicoltech.org>

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Jon Passki wrote:

> [snip]
>
> The system I'm configuring is
> my home box, but I will use it as a small scale web server.  The
> processor is an AMD K6-2.  I plan to do some programming, but nothing
> too complex right now.
> 
> options        "CD9660_ROOT"  # I do have option CD9660 already

Only needed if your going to have the root filesystem on a CD...

> options        NSWAPDEV=20

A little excessive, but probably harmless (number of swap devices).

> # POSIX - Do I need posix for basic day to day usage,
> # or is this geared towards programming compatibility?
> options        "P1003_1B"
> options        "_KPOSIX_PRIORITY_SCHEDULING"
> options        "_KPOSIX_VERSION=199309L"

These are the defaults AFAIK, they shouldn't cause you any problems...

> options        "MSGBUF_SIZE=40960"

Size of the 'dmesg' buffer in the kernel, again harmless...

> options        PPS_SYNC

Hmmm... I think this is related to the parallel port 'bus' interface, should
be OK with it in (uh oh, shaky ground for me :)

> controller        pnp0         # I don't have any devices right now that
> are PnP
> # but should I use it for the future?

You can do, I have it in on 1 of my machines, and out on another (both have
PnP bios's, but no PnP devices)...

> options        LKM         # What LKM's are around that I could use?

Quite a few, things like Screen savers etc. - Probably safer leaving it in for
3.1

> options        DDB (or DDB_UNATTENDED) # I noticed the GENERIC doesn't
> have them

You can put in 'DDB' (debugger for kernel panics - else the machine just
reboots), and 'DDB_UNNATTENEDED' so that if no ones around the machine will
restart itself if it panics (and it has DDB compiled in). Otherwise it will
just 'sit' there running DDB on the console until someone stops by to look at
it :-)

> options        INVARIANTS

Hmmm... Tough one - for 3.1 (i.e. stable/release etc.) - if you've got DDB
compiled in, I'd leave INVARIANTS set, if your leaving DDB out, then leave
INVARIANTS out as well...

Regards,

Karl


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