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Date: Wed, 6 Jun 2007 19:31:54 +0400
From: Ruslan Ermilov <ru@freebsd.org>
To: Yuri Pankov <yuri.pankov@gmail.com>
Message-ID: <20070606153154.GB14456@rambler-co.ru>
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Cc: freebsd-current@freebsd.org, Pav Lucistnik <pav@freebsd.org>
Subject: Re: /boot/mbr miscompiled?
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On Wed, Jun 06, 2007 at 07:05:36PM +0400, Yuri Pankov wrote:
> On Wed, Jun 06, 2007 at 06:59:04PM +0400, Ruslan Ermilov wrote:
> > On Wed, Jun 06, 2007 at 05:58:15PM +0400, Yuri Pankov wrote:
> > > Hi,
> > > 
> > > I've noticed lately that I can't install /boot/mbr using boot0cfg.
> > > 
> > > [root@darklight:~]# boot0cfg -B -b /boot/mbr ad4
> > > boot0cfg: /boot/mbr: unknown or incompatible boot code
> > > 
> > > -r--r--r--  1 root  wheel  - 512 Jun  6 17:45 /boot/mbr
> > > /boot/mbr: x86 boot sector
> > > 
> > I think you'll have to use "fdisk -B" to do that.
> > (boot0cfg(8) only installs boot0 and boot0sio.)
> > 
> 
> Thank you Ruslan.
> 
> Shouldn't boot0cfg(8) manpage be updated accordingly (EXAMPLES section,
> at least)?
> 
Hmm.  The documentation bug was introduced recently in rev. 1.30
of boot0cfg.8 (and merged into RELENG_6).  I've just checked on
4.x, 6.x, and 7.0 systems here, and /boot/mbr could never be
accepted by boot0cfg(8) because the second signature (the "Drive"
string) isn't there.  I've Cc:ed the committer of this change.


Cheers,
-- 
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer