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Date:      Sun, 24 Feb 2002 02:46:09 -0800
From:      Luigi Rizzo <rizzo@icir.org>
To:        small@freebsd.org
Subject:   dependencies between filesystem and location on disk
Message-ID:  <20020224024609.A80268@iguana.icir.org>

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Hi,
I am trying to copy a picobsd image into a slice in a compactflash
device.
I thought that after creating an appropriate FreeBSD slice with fdisk,
it would suffice to 'dd' the image into /dev/ad0s2, but apparently
the system complains with

	"%s: rejecting BSD label: raw partition offset != slice offset\n",

(from kern/subr_diskslice.c) when trying to fdisk the partition,

        if (pp->p_offset != start) {

and also the secondary bootloader (boot2) complains with a "Not ufs",
presumably for the same reason.

Two questions here:

* it looks like the label should know about the absolute location
  of the slice on the disk. Why is this necessary ?

* in case, what places should I patch in the image with the actual
  offset of the partition ?

	thanks
	luigi
----------------------------------+-----------------------------------------
 Luigi RIZZO, luigi@iet.unipi.it  . ICSI (on leave from Univ. di Pisa)
 http://www.iet.unipi.it/~luigi/  . 1947 Center St, Berkeley CA 94704
 Phone: (510) 666 2927
----------------------------------+-----------------------------------------

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