Named Error

[Shiv. NK]

Dear FreeBSD List Community,

It is FreeBSD 9.0 Release. When i restart named, i got the following
message. And unable to understand the cause. i need help

Stopping named.
Waiting for PIDS: 63996.
eval: mtree: not found
eval: mount: not found
/etc/rc.d/named: WARNING: devfs_domount(): Unable to mount devfs on
/var/named/dev
eval: devfs: not found
eval: devfs: not found
Starting named


Here is my "df -h", it seems that file system in mounted. How can i
resolve it.

[root at rock /home/mavi]# df -h
Filesystem    Size    Used   Avail Capacity  Mounted on
/dev/da0a      70G    7.2G     58G    11%    /
devfs         1.0k    1.0k      0B   100%    /dev
procfs        4.0k    4.0k      0B   100%    /proc
linprocfs     4.0k    4.0k      0B   100%    /compat/linux/proc
fdescfs       1.0k    1.0k      0B   100%    /dev/fd
devfs         1.0k    1.0k      0B   100%    /var/named/dev


Thanks / Nath NK