*BSD News Article 62670


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From: arog@BIX.com (arog on BIX)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: How to boot off sd1?
Date: 2 Mar 96 13:34:14 GMT
Organization: Delphi Internet Services Corporation
Lines: 75
Message-ID: <arog.825773654@BIX.com>
References: <RS.96Mar1224704@purple.IN-Ulm.DE>
NNTP-Posting-Host: bix.com

rs@purple.IN-Ulm.DE (Ralph Schleicher) writes:
Ralph,

Set your CMOS configuration to have NO MFM/RLL/IDE drives
configured. 

You may need to run "pfdisk 0" and "pfdisk 1" first so that
those drives are "labeled" in a way that FreBSD can understand. 

Once booted to FreeBSD, my experience is that they will be 
there and mountable with 'mound_msdos". 

You may need to run /dev/MAKEDEV to get things setup and such...
but look at /dev/MAKEDEV with vi first for a better understanding
of what is going to happen 	FIRST.


Alan Ogden
arog@BIX.com




>Sorry if this is a FAQ but I cannot find an answer to my question in
>the `INSTALL.TXT' and `HARDWARE.TXT' file of my FreeBSD 2.1 CDROM.

>Installing FreeBSD itself works fine but I cannot boot off my second
>SCSI drive.  Here are my disks:

>	wd0: Quantum LPS 240AT, OS/2 2.0
>	sd0: IBM DPES-31080, Linux 1.2.13
>	sd1: IBM DPES-31080, FreeBSD 2.1

>I've installed the user distribution accepting the default partitions
>(32 MB root, 75 MB swap, rest for /usr -- I plan to put /home and /var
>on sd0 iff FreeBSD is willing to boot).

>The FreeBSD boot manager is loaded by lilo (the Linux loader) with the
>following entry in `/etc/lilo.conf':

>	other = /dev/sdb1
>		label = FreeBSD
>		loader = /boot/chain.b
>		table = /dev/sdb

>Up to here everything works as expected but if I enter

>	sd(1,a)/kernel -c
>or	sd(1,a)/kernel

>at the FreeBSD boot prompt (as described in `HARDWARE.TXT'), I'll be
>poped into an endless loop with the error message

>	Bad disklabelCan't find kernel

>On the other hand FreeBSD starts booting with

>	sd(2,a)/kernel
>	hd(1,a)/kernel
>	hd(2,a)/kernel

>but then it fails with

>	change root device to sd0a	# or `sd2a' with sd(2,a)/kernel
>	panic: cannot mount root

>I've tried this procedure with both, the `booteasy' and the `standard'
>MBR and I really have to say that I don't know how to go on (except for
>getting a screw driver from my toolbox physically unmounting all other
>disks).  Any hint would be appreciated.

>BTW: Yes, I've disabled all 0x300 probes except for the ep0 driver
>required for my 3c509 card.
>-- 
>Ralph