[root@localhost etc]# named -g
Jun 13 11:18:01.227 starting BIND 9.2.4rc6 -g
Jun 13 11:18:01.227 using 1 CPU
Jun 13 11:18:01.233 loading configuration from '/etc/named.conf'
Jun 13 11:18:01.241 no IPv6 interfaces found
Jun 13 11:18:01.242 listening on IPv4 interface lo, 127.0.0.1#53
Jun 13 11:18:01.243 binding TCP socket: address in use
Jun 13 11:18:01.243 listening on IPv4 interface eth0, 150.31.3.251#53
Jun 13 11:18:01.244 binding TCP socket: address in use
Jun 13 11:18:01.249 /etc/named.conf:19: couldn't add command channel 127.0.0.1#953: address in use
Jun 13 11:18:01.250 ignoring config file logging statement due to -g option
Jun 13 11:18:01.250 couldn't open pid file '/var/run/named/named.pid': Permission denied
Jun 13 11:18:01.250 exiting (due to early fatal error)
named.pid permission denied
解決方法：
chown named:root /var/run/named
service named start