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Date: Fri, 24 Mar 2006 12:39:30 -0600 (CST)
From: "Viren Patel" <virenp@mail.utexas.edu>
To: "Kris Kennaway" <kris@obsecurity.org>
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Cc: questions@freebsd.org
Subject: Re: FreeBSD 6.1 - mount_nullfs broken?
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> On Fri, Mar 24, 2006 at 08:05:31AM -0600, Viren Patel
> wrote:
>
>> # umount /export/jails/testjail/dev
>> # mount_nullfs -o ro /export/jails/basejail
>> /export/jails/testjail/basejail
>> mount_nullfs: Operation not supported by device
>>
>> After looking at the dmesg output more closely one
>> discrepancy I found was the second last line:
>>
>> ad6: 238475MB <WDC WD2500JS-55MHB0 02.01C03> at
>> ata3-master SATA300
>>
>> It was definitely SATA150 under FreeBSD 6.0, even after
>> updates. So maybe a problem in the SATA300 driver?
>
> Unlikely.  It looks like you don't have kernel nullfs
> support enabled.
>
> Kris
>

I am using the generic kernel. Looking through /etc there
is nothing regarding enabling nullfs. I also looked at
GENERIC kernel conf file without luck. How do I enable
nullfs?

Viren

Viren