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Date:      Thu, 27 Apr 1995 11:27:16 -0400 (EDT)
From:      "William A. Arbaugh" <waarbau@super.org>
To:        hackers@FreeBSD.org
Cc:        questions@FreeBSD.org, tom@batc.allied.com
Subject:   0412 SNAP install hangs after 'changing root device ...'
Message-ID:  <Pine.SUN.3.91.950427111237.8786B-100000@hume>

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I'm cc'ing this to hackers in hope someone will be able to provide some 
assistance.

1. The problem in the subj line is affecting my system and also 
<tom@batc.allied.com>.  I'm using the NCR 53c810 SCSI, and Tom is using 
IDE. Both systems were running the 0322 SNAP without problems.

2. I can boot with the 0322 fixit floppy and mount sd0a without a problem.

3. During the install of 0412 newfs produces the following warning 
message 'Calculated sectors per cylinder 4096 disagrees with disklabel 
(2046). No other warnings/errors are produced during the install.

4. Booting the 0412 SNAP kernel placed on the disk by the install process 
with -v prints out the BIOS geometries and then hangs.  Looking at the 
sources for 0322- that tells me that it's getting to cpu_startup() but 
not much more.  The geometries reported are:

		BIOS Geometries: 0:3ff0208
		 1:4f010f
		 2:4f010f
		 3:4f010f
		 4:4f010f
		 5:4f010f
		 6:4f010f
		 7:4f010f
		 0 accounted for

Booting the 0322 fixit floppy with -v produces the same geometry 
information. I haven't a clue if that info is good/bad etc.

5. Anyone have a 0412 based fixit floppy?  I'm stuck and I'm not sure how 
to proceed.

				bill

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Bill Arbaugh			"Waste of time is the most		
waarbau@super.org		 extravagant of all expenses"	
waa@dsl.cis.upenn.edu			-Theophrastus
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