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Date:      Thu, 20 Apr 1995 14:06:34 -0500 (CDT)
From:      chain@mpd.tandem.com (Chain Lee)
To:        current@FreeBSD.org
Cc:        chain%muzak.mpd.tandem.com@mpd.tandem.com (Chain Lee)
Subject:   950412-SNAP
Message-ID:  <9504201906.AA08080@muzak>

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Hello,

First let me thank you (in case I forget :-) for the great work
you've accomplished!

I have a few comments/questions regarding diskless and kernel debug
support in this snapshot.

When running a diskless station using nfs shared /usr, /usr needs
to be mounted very earlier on in /etc/rc and /etc/netstart. In the
current scripts, "mount -a -t nfs" is started after system daemons
which require /usr to be mounted, and therefore the system fails
to start. The mount command may need to be moved into middle of
/etc/netstart where network has been set up but before starting
any network daemons.

2) My 'diskless' station has only a DOS partition and no FreeBSD
partition in a wd0 (ST506). It panics during diskless boot. I traced
down the panic to wdopen which was getting an integer division fault.
The trace is as follows:
	configure()
	swapconf()
	wdsize()
	wdopen()
	---idiv fault
Is this a known problem? I got around the problem by bypassing wdopen()
but wasn't able to trace further down because no symbols were loaded
into the kernel, and ddb trace shows no names. I modified netboot to
load symbol table over the net but it seems to have no effect. What
other things do I need to do to get the symbol table loaded into ddb? 

Thank you again!

-chain

-- 
Chain Lee
Tandem Computers, Inc.                Voice: (512) 432-8969
14231 Tandem Boulevard                Email: chain@isd.tandem.com
Austin, TX 78728-6699                 Office: 2359



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