Date: Mon, 12 Jan 2004 17:55:43 +0100 (CET) From: roberto@redix.it To: freebsd-questions@freebsd.org Subject: #2 - Swapped disks and now stuck in the mountroot> prompt Message-ID: <1045.192.168.0.77.1073926543.squirrel@mail.redix.it>
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Date: 12 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.
My question are:
1) I've made any mistake ?
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?
Thanks
Roberto
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