From owner-freebsd-mips@FreeBSD.ORG  Wed Nov 17 08:09:39 2010
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Date: Wed, 17 Nov 2010 09:09:38 +0100
Message-ID: <AANLkTinh0LJhjt2VoBGN2fCbZf03KAM9TzROqirJnjeP@mail.gmail.com>
From: Monthadar Al Jaberi <monthadar@gmail.com>
To: Milan Obuch <freebsd-mips@dino.sk>
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Cc: freebsd-mips@freebsd.org
Subject: Re: First RSPRO deployed !
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>
> Is it possible to read/write flash from FreeBSD itself? When I add
> geom_redboot into kernel, I see /dev/redboot directory with flash parts, but I
> have no idea how to read them - dd if=/dev/redboot/<something> gives just an
> error and no data are read... Is some special tool necessary for that? I would
> like to make a backup copy of flash, just in case...
>

Had same issue check:
http://lists.freebsd.org/pipermail/freebsd-fs/2010-November/010023.html

Without Adrian's patch, try dd ... bs=64k
with his (have not tried it yet) try dd ... bs=4k.

Has to do with blocksize check the thread! ;)


-- 
//Monthadar Al Jaberi