Re: Swapped disks and now stuck in the mountroot> prompt
From: Grzegorz Czaplinski (G.Czaplinski_at_prioris.mini.pw.edu.pl)
Date: 01/15/04
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Date: Thu, 15 Jan 2004 20:58:05 +0100 To: roberto@redix.it
On Thu, Jan 15, 2004 at 09:43:17AM +0100, roberto@redix.it wrote:
>
> Date: 15 jan 2004
>
> I've installed FreeBSD 4.9 on a ide0:0 (primary IDE, master hd) then
> ported the hard disk on a second PC and installed as ide1:0 (secondary
> IDE, master hd) without update the "/etc/fstab" file.
>
> When booting the kernel start probing devices, I see the disk as "ad2"
> then the kernel halts when trying to mount the root file system with the
> following message:
>
> mount root from ufs:/dev/ad0s1a
> root mount failed: 6
>
> At the prompt I've tried with "ufs:/dev/ad2s1a", now the right device, but
> it does not work.
>
> The solution is to instruct the kernel with the right device: but ad2s1a
> seems to be wrong...
>
> After several attempts I discover that the kernel must be started with the
> option "-a": with this flag the device "ufs:/dev/ad2s1a" is accepted by
> "mountroot> " and the boot proceed. Than I can change the fstab
> accordingly to make the change permanent.
>
Hi,
I will try to answer your questions.... ;)
> My question are:
> 1) I've made any mistake ?
No.
> 2) Without the boot "-a" flag, why the kernel ask me a device and even it
> is the correct one vfs_conf.c:vfs_mountroot_ask() give me the error code
> 6?
I don't know this. Perhaps it's too late to change root to mount from.
Cheers,
greg
-- Grzegorz Czaplinski <gregory at prioris.mini.pw.edu.pl> "The Power to Serve, Right for the Power Users!" - http://www.FreeBSD.org/ Fingerprint: EB77 E19D CFA2 5736 810F 847C A70F A275 2489 469F
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- Previous message: roberto_at_redix.it: "Swapped disks and now stuck in the mountroot> prompt"
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