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To: freebsd-current@FreeBSD.ORG
Cc: shige@kuis.kyoto-u.ac.jp
Subject: mount root problem? on elf kernel
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Message-Id: <19981116233923X.shige@kuis.kyoto-u.ac.jp>
Date: Mon, 16 Nov 1998 23:39:23 +0900 (JST)
From: Shigeyuki FUKUSHIMA <shige@kuis.kyoto-u.ac.jp>
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Hello.

I have an error in booting ELF kernel and mounting root device.

I am using 3.0-current(Nov 15, 1998) and ELF kernel on that system.

I have the following disks on my pc:  wd0, da0.
Wd0 only includes DOS slices, and da0 only includes FreeBSD slices.
System BIOS probes IDE -> SCSI. Hence, wd0 is drive C, da0 is drive D.

BTX loader says:

Disk 0  Drive A
Disk 1  Drive C
Disk 2  Drive D


In my configurations:

* da0s1a:/boot.config

/boot/loader

* da0s1a:/boot/boot.conf

set rootdev=disk0s1a:

* da0s1a:/etc/fstab

# Device      Mountpoint  FStype   Options     Dump  Pass#
/dev/da0s1a   /           ufs      rw          1     1
(...snip...)



The BOOTBIAS problem(?) is solved on the above configurations.
# It is enable to change root device (da1s1a -> da0s1a).

But, I have an error as follows:

(...snip... device probing, changing root device, fsck report)
mount: /dev/da0s1a on /: specified device does not match mounted device
Filesystem mount failed, startup aborted
Enter full pathname of shell or RETURN for /bin/sh:


And, I modified da0s1a:/etc/fstab as follows:

# Device      Mountpoint  FStype   Options     Dump  Pass#
/dev/da0a     /           ufs      rw          1     1
(...snip...)

And reboot again.
Then, I have a properly system boot without mounting errors.

I should use da0a in /etc/fstab instead of da0s1a, right?
Or I have a some mistake in my configulations?


Thank you.

--- shige
Shigeyuki FUKUSHIMA <shige@kuis.kyoto-u.ac.jp>
  Dept. of Information Science, Kyoto Univ., JAPAN
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