linux oracle 10.2.0.1 lsnrctl无法启动
故障现象：lsnrctl stat后即无任何反应，而sqlplus正常：
[oracle@wlserver3 ~]$ lsnrctl stat
lsnrctl for linux: version 10.2.0.1.0 - production on 13-sep-2011 23:16:11
copyright (c) 1991, 2005, oracle.  all rights reserved.
connecting to (description=(address=(protocol=tcp)(host=localhost.localdomain)(port=1521)))
尝试ps -ef|grep lsnrctl后kill -9 杀进程，但杀后重启时也碰到同样问题
尝试ps -ef|grep lsnr（注意和上述命令的区别少了ctl）后kill -9 杀进程，，后重启成功
[root@wlserver3 admin]# ps -ef|grep lsnr
oracle    3067 16807  0 sep10 ?        00:00:01 /oracle/product/10.2.0/db_1/bin/tnslsnr listener -inherit
oracle   16807     1  0 jul08 ?        00:02:07 /oracle/product/10.2.0/db_1/bin/tnslsnr listener -inherit
oracle   18378 18350  0 sep13 pts/1    00:00:00 lsnrctl stat
oracle   18386 18350  0 sep13 pts/1    00:00:00 lsnrctl stat
oracle   18423 18350  0 sep13 pts/1    00:00:00 lsnrctl stat
root     19686 18480  0 01:18 pts/3    00:00:00 grep lsnr
[root@wlserver3 admin]# kill -9 3067
[root@wlserver3 admin]# kill -9 16807
重启成功:
oracle@wlserver3 bdump]$ lsnrctl start
lsnrctl for linux: version 10.2.0.1.0 - production on 14-sep-2011 01:21:35
copyright (c) 1991, 2005, oracle.  all rights reserved.
starting /oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...
tnslsnr for linux: version 10.2.0.1.0 - production
system parameter file is /oracle/product/10.2.0/db_1/network/admin/listener.ora
log messages written to /oracle/product/10.2.0/db_1/network/log/listener.log
listening on: (description=(address=(protocol=tcp)(host=localhost.localdomain)(port=1521)))
listening on: (description=(address=(protocol=ipc)(key=extproc0)))
connecting to (description=(address=(protocol=tcp)(host=localhost.localdomain)(port=1521)))
status of the listener
------------------------
alias                     listener
version                   tnslsnr for linux: version 10.2.0.1.0 - production
start date                14-sep-2011 01:21:37
uptime                    0 days 0 hr. 0 min. 0 sec
trace level               off
security                  on: local os authentication
snmp                      off
listener parameter file   /oracle/product/10.2.0/db_1/network/admin/listener.ora
listener log file         /oracle/product/10.2.0/db_1/network/log/listener.log
listening endpoints summary...
  (description=(address=(protocol=tcp)(host=localhost.localdomain)(port=1521)))
  (description=(address=(protocol=ipc)(key=extproc0)))
services summary...
service plsextproc has 1 instance(s).
  instance plsextproc, status unknown, has 1 handler(s) for this service...
the command completed successfully
[oracle@wlserver3 bdump]$ 
补充:处理过程中看到过一个10.2.0.1环境下的bug,也一并修复掉了