FreeBSD 6.1 - mount_nullfs broken?

Kris Kennaway kris at obsecurity.org
Fri Mar 24 17:10:53 UTC 2006


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
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