*BSD News Article 67666


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Panic: Cannot mount root
Date: 4 May 1996 11:14:49 GMT
Organization: Private BSD site, Dresden
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Jeff Genender <jgenend@ibm.net> wrote:

> Adaptec 1542
> ------------
> 
> Drive (0x81) Partitioned as extended DOS
> 
> Drive (0x82) Partitioned as 600 MB NTFS and 405 MB FreeBSD
> 
> I can install FreeBSD absolutely fine.  But when it goes to reboot for 
> its first boot, I will use the boot floppy and I will type 
> SD(2,a)/kernel. This will start the boot process and when it tries to 
> load the root, it says 'PANIC: Cannot mount root.'

Try ``hd(1,a)/kernel''.  I'm not sure whether unit numbers != 1 are
supported for the `hd' pseudo-controller, but that's the way to go.

There's a more generic method available in the -current bootblocks, it
allows for arbitrary mappings between BIOS drive numbers and BSD
controller names/unit numbers.  (Bruce Evans' original subject when
posting it to the mailing lists was: ``booting from sd5 when wd3 is
also installed'' :-)

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)