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Date:      Mon, 24 Aug 2009 14:07:50 -0700
From:      Scott Schappell <archon@silvertree.org>
To:        freebsd-questions@freebsd.org
Subject:   Re: Problem mounting EXT2FS
Message-ID:  <680F4D9E-9C5B-4349-8E13-B34E6A358CC3@silvertree.org>
In-Reply-To: <beaf3aa50908241320k88fad1au2bd41fb311591bb1@mail.gmail.com>
References:  <beaf3aa50908241320k88fad1au2bd41fb311591bb1@mail.gmail.com>

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Judging by your uname output, the #0 should be #1 if it's reading a re- 
compiled kernel.  I would double check that you used the proper  
KERNCONF for make buildkernel and make installkernel.

For example, I recompiled my kernel and note the output:

[root@arthur /var/account]# uname -a
FreeBSD arthur.silvertree.org 7.2-RELEASE-p3 FreeBSD 7.2-RELEASE-p3  
#1: Fri Aug 14 13:27:47 PDT 2009     root@arthur.silvertree.org:/usr/ 
obj/usr/src/sys/ARTHUR  i386

See the #1? That shows me that the kernel has been recompiled once.

The fact it says "MYKERNEL" for the kernel config, make sure that you  
copied GENERIC to MYKERNEL in /usr/src/sys/i386/conf/

I used the handbook and actually put ARTHUR in /root/kernels and in / 
usr/src/sys/i386/conf:

[root@arthur ~/kernels]# ls -la /usr/src/sys/i386/conf/ARTHUR
lrwxr-xr-x  1 root  wheel  20 Jul 29 07:57 /usr/src/sys/i386/conf/ 
ARTHUR -> /root/kernels/ARTHUR

I'd suggest that you didn't compile the right kernel config file.

Another suggestion I used was to add in /etc/make.conf:

KERNCONF=ARTHUR

So add "KERNCONF=MYKERNEL" then copy /usr/src/sys/i386/conf/GENERIC  
to /usr/src/sys/i386/conf/MYKERNEL then edit MYKERNEL as needed and  
with that line in /etc/make.conf:

cd /usr/src && make buildkernel && make installkernel && shutdown -r now

I may be off base, but I'd start with double checking the kernel  
config file used for buildkernel and installkernel.

Scott

On Aug 24, 2009, at 13:20:29, Jeronimo Calvo wrote:

> Hi folks, im migrating from Linux to BSD, and i found my first  
> problem...
> First of all, i did save my /home from my old Linux distribution on  
> another
> HD, ext2fs partition /dev/ad6s1... I can correctly see the drive from
> sysinstall.
>
> I read about compiling the KERNEL in order to add Ext2fs support under
> Freebsd, wich I did... Adding the line:
>
> Quote:
>  options EXT2FS
> looking like this:
>
> Quote:
>  options KBD_INSTALL_CDEV # install a CDEV entry in /dev
> options ADAPTIVE_GIANT # Giant mutex is adaptive.
> options STOP_NMI # Stop CPUS using NMI instead of IPI
> options AUDIT # Security event auditing
> #options KDTRACE_FRAME # Ensure frames are compiled in
> *options EXT2FS*
> #options KDTRACE_HOOKS # Kernel DTrace hooks
> After this i recompiled the kernel and installed...
>
> Quote:
>  # uname -a
> FreeBSD 7.2-RELEASE FreeBSD 7.2-RELEASE #0: Mon Aug 24 18:59:43 UTC  
> 2009
> iscariote@:/usr/obj/usr/src/sys/MYKERNEL amd64
> Well... everything should be ready now to mount my ext2fs  
> partition... Using
> the following command...
>
> Quote:
>  # mount
> /dev/ad8s1a on / (ufs, local)
> devfs on /dev (devfs, local)
> /dev/ad8s1e on /tmp (ufs, local, soft-updates)
> /dev/ad8s1f on /usr (ufs, local, soft-updates)
> /dev/ad8s1d on /var (ufs, local, soft-updates)
> /dev/ntfs/DATOSWIN on /media/DATOSWIN (ntfs, local, nosuid)
> # mount -t extfs2 /dev/ad6s1 /ext2
> mount: /dev/ad6s1 : Operation not supported by device
>
> I tried several times, with not luck, one of those times i was able  
> to mount
> it, but not to access it, when i tried to cd /ext2 (folder when is  
> mounted)
> system tells me that ext2 is not a folder...
>
> any ideas???
>
> Thanks in advance!!
> _______________________________________________
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