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To: perryh@pluto.rain.com (Perry Hutchison)
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: Thu, 14 Sep 2006 17:25:18 -0400
In-Reply-To: <10609142107.AA01301@pluto.rain.com> (Perry Hutchison's message
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Cc: freebsd-questions@freebsd.org
Subject: Re: mount_ext2fs returning ENODEV on 6.1
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perryh@pluto.rain.com (Perry Hutchison) writes:

>> > # ll /dev/ad0s7
>> > crw-r-----  1 root  operator    0,  93 Sep  4 02:30 /dev/ad0s7
>> > # file -s /dev/ad0s7
>> > /dev/ad0s7: Linux rev 1.0 ext2 filesystem data
>> > # grep -w ad0s7 /etc/fstab
>> > /dev/ad0s7      /linux          ext2fs  ro              0       0
>> > # ll -d /linux
>> > drwxr-xr-x  2 root  wheel  512 Aug 24 12:09 /linux
>> > # mount /linux
>> > mount_ext2fs: /dev/ad0s7: Operation not supported by device
>> 
>> No ext2fs support in your kernel?
>
> I had not thought that was the problem, since according to
> something in the docs or manpages -- which I now cannot locate
> -- missing kernel support should have resulted in a different
> message.  How would I check, to be sure?  I am using the kernel
> from the installation CD, not one I have built:
>
> # uname -a
> FreeBSD fbsd61 6.1-RELEASE FreeBSD 6.1-RELEASE #0: Sun May  7 04:32:43 UTC 2006     root@opus.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

The standard kernel doesn't have ext2fs support now; I doubt the 6.1
release was different.  Try loading it as a module; "kldload ext2fs".