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Date:      Fri, 18 Oct 2002 10:20:29 -0700 (PDT)
From:      Nate Lawson <nate@root.org>
To:        Luigi Rizzo <rizzo@icir.org>
Cc:        current@freebsd.org
Subject:   Re: any recent changes related to MD_ROOT ?
Message-ID:  <Pine.BSF.4.21.0210181019070.46291-100000@root.org>
In-Reply-To: <20021017183802.A74694@carp.icir.org>

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On Thu, 17 Oct 2002, Luigi Rizzo wrote:
> Hi,
> 
> on a freshly cvsupped source tree, i notice that picobsd images
> with a preloaded MD_ROOT cannot boot anymore: the kernel goes up
> to this stage:
> 
> 	Mounting root from ufs:/dev/md0c
> 	setrootbyname failed
> 	ffs_mountroot: can't find rootvp
> 	Root mount failed: 6
> 
> 	Manual root filesystem specification:
> 	  <fstype>:<device>  Mount <device> using filesystem <fstype>
> 			       eg. ufs:da0s1a
> 	  ?                  List valid disk boot devices
> 	  <empty line>       Abort manual input
> 
> 	mountroot>
> 
> at which point you can proceed by specifying "ufs:md0" as the root
> path, and everything works fine.
> It certainly used to work (though i do not remember if the root path
> came out as md0c or just md0) up to a couple of months ago, roughly.
> 
> Does this ring any bell on what might have changed more or less recently
> that affects this ? Who builds up the '/dev/md0c' name for the root
> filesystem ?

phk@ removed old BSD partition compatibility (md0a,b,c) a while back and
then added it in for the devfs case.

-Nate


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