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From: Karl Denninger  <karl@Mcs.Net>
Message-Id: <199611141901.NAA01005@Jupiter.Mcs.Net>
Subject: Re: Hmmmm... now I'm confused
To: dyson@freebsd.org
Date: Thu, 14 Nov 1996 13:01:33 -0600 (CST)
Cc: karl@Mcs.Net, hackers@freebsd.org
In-Reply-To: <199611141834.NAA01376@dyson.iquest.net> from "John Dyson" at Nov 14, 96 01:34:27 pm
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> > Hi folks,
> > 
> > Ok, now I don't understand.....
> > 
> > I built a new kernel with -current to support more than 128MB with the
> > following options....
> > 
> > options         "MAXMEM=262144"         # 256 * 1024, 256MB maximum RAM
> > options         "MAXDSIZ=201326592"
> > options         "DFLDSIZ=201326592"
> > 
> > 256MB supported RAM and huge process sizes...
> > 
> > Those were the only changes from a working kernel which is running on
> > the same hardware (a Pentium PRO 200 with 128MB of RAM).   Then I added
> > more physical memory.
> > 
> > I rebooted, and the "de" cards in the box (two 100BaseTX boards) both
> > disappeared!
> > 
> > They identify ok during the boot, and claim to be there, but an "ifconfig
> > de0" comes up "no such device"!
> > 
> > I removed the extra RAM and went back to 128M, and it STILL happens!  
> > With or without the memory in there; it appears that the MAXMEM line up
> > there blows the de cards out of the water!
> > 
> > What's going on here, and is there a work-around for this?
> > 
> Did you control the experiment and determine if it is/might be the
> MAXMEM (phys mem) or the MAX/DFL DSIZ definitions?  It sounds to me
> that it is the (MAX/DFL)DSIZ definitions -- right, or am I dense? :-)...
> 
> John

I found it.

Somewhere in the last few weeks something changed in the "ifconfig" program.

I loaded that from the "make world" on the codebase machine, and the problem
disappeared.

Odd stuff!

--
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