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Date: Wed, 23 Dec 2009 22:44:16 +0100
From: Ruben de Groot <mail25@bzerk.org>
To: Michel Le Cocq <miconof80.list@gmail.com>
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Cc: questions@freebsd.org
Subject: Re: FreeBSD boot invalid partition
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On Wed, Dec 23, 2009 at 09:51:39PM +0100, Michel Le Cocq typed:
> I just dump a real host and try to restore it on a virtual host under
> kvm.
> 
> When booting under KVM i see this :
> 	Booting From hard Disk...
> 	Invalid partition
> 	Invalid partition
> 	No /boot/loader
> 	
> 	FreeBSD/i386/Boot
> 	Default: 0:ad(0,a)/boot/kernel/kernel
> 	boot :
> 	
> If i enter : 
>      	boot : 0:ad(0,d)
> 
> it's ok and then :
> 	Manual Root Filesystem Specification :
> 	Mountroot> ufs:/dev/ad0s1d
> 	
> and it's finaly boot.
> 
> [root@vbsdio ~]# cat /etc/fstab
> # Device     	 Mountpoint	FStype	  Options    Dump Pass#
> /dev/ad0s1b      none		swap	  sw 		0 0
> /dev/ad0s1d	 /		ufs	  rw		1 1
> /dev/ad0s1g	 /local		ufs	  rw		2 2
> /dev/ad0s1e	 /usr		ufs	  rw		2 2
> /dev/ad0s1f	 /var		ufs	  rw		2 2
> /dev/acd0	 /cdrom		cd9660	  ro,noauto	0 0
> linproc /compat/linux/proc 	linprocfs rw 		0 0
> [root@vbsdio ~]#
> 
> I need to change my master boot device or anything else.
> But don't know what to do exactly.

Not sure, but I think boot0 only boots "a" partitions. So after
you manually boot like above, go into bsdlabel and change ad0s1d
into ad0s1a. Do the same in fstab.