Oracle（10.2.0.1）版本的的bug（4612267）

   公司有一台oracle服务器， 报告说不能用了，无法连接，好像Oracle死了似的，根据他们的描述，以前遇到该问题就是重启一下就没事了，但每季度都有这么次情况。 我登上去想看看是什么情况，结果使用sqlplus，直接没有反应。查看日志，结果发现日志还是15天前更新的，数据文件也是15天前的，日啊，原来早在 半个月前就已经hang在那里了。在网上一查，说有可能是oracle的一个bug，查看版本，果然是10.2.0.1，遂运行top命令检查，发现和网 上说的占CPU100%一模一样，用vmstat命令检查，有20多个进程都在等待，查看服务器启动时间，应该是在差不多50天的时候开始hang住的。



bug描述：
#-------------------------------------------------------------------------
# Interim Patch for Base Bugs: 4612267
#-------------------------------------------------------------------------
#
# DATE: Wed Oct 5 10:17:13 2005
# -------------------------------
# Platform. Patch for : Linux x86
# Product Version # : 10.2.0.1
# Product Patched    : ORACORE
#
# Bugs Fixed by this patch:
# -------------------------
# 4612267:OCI CLIENT IS IN AN INFINITE LOOP WHEN MACHINE UPTIME HITS 248 DAYS
#-------------------------------------------------------------------------

事实上只要Linux x86主机运行天数是是24.8的倍数都有可能引发该bug，因为time()函数值为null，造成无限死循环，从而耗尽cpu

到这里就确认就是Oracle的bug了，在网上查了，有三种解决方法：
1) 重启主机；
2) 打patch set，如升级到10.2.0.4；
3) 对该bug单独打临时patch 4612267。
重启不解决问题，升级时间太长，还是打补丁吧
在网上搜到了这个补丁，CSDN上有下载，p4612267_10201_LINUX32bit_198days.zip
由于无法sqlplus登入数据库，监听器也没法停止，与oracle的任何操作都不能操作，由于该服务器虽然为生产，但不常用，不怎么重要，于是直接重启服务器。
重启服务器后，试着启动oracle，没有问题，松一口气，关闭oracle开始打补丁：
$ mkdir $ORACLE_BASE/patches (建立目录：/home/oracle/product/10.2.0/patches/)
$ cd $ORACLE_BASE/patches (oracle安装目录：/home/oracle/product/10.2.0/patches/4612267)
上传补丁
$ unzip p4612267_10201_LINUX.zip 
$ cd 4612267/
$ $ORACLE_HOME/OPatch/opatch apply（实例：/home/oracle/product/10.2.0/OPatch/opatch apply）
Invoking OPatch 10.2.0.1.0

Oracle interim Patch Installer version 10.2.0.1.0
Copyright (c) 2005, Oracle Corporation.  All rights reserved..


Oracle Home       : /u01/app/oracle/product/10.2.0/db_1
Central Inventory : /u01/app/oracle/oraInventory
   from           : /u01/app/oracle/product/10.2.0/db_1/oraInst.loc
OPatch version    : 10.2.0.1.0
OUI version       : 10.2.0.1.0
OUI location      : /u01/app/oracle/product/10.2.0/db_1/oui
Log file location : /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/opatch/opatch-2011_Dec_26_15-29-05-CST_Mon.log

ApplySession applying interim patch '4612267' to OH '/u01/app/oracle/product/10.2.0/db_1'
Invoking fuser to check for active processes.
Invoking fuser on "/u01/app/oracle/product/10.2.0/db_1/bin/oracle"

OPatch detected non-cluster Oracle Home from the inventory and will patch the local system only.


Please shutdown Oracle instances running out of this ORACLE_HOME on the local system.
(Oracle Home = '/u01/app/oracle/product/10.2.0/db_1')

Is the local system ready for patching?

Do you want to proceed? [y|n]
y
User Responded with: Y
Backing up files and inventory (not for auto-rollback) for the Oracle Home
Backing up files affected by the patch '4612267' for restore. This might take a while...
Backing up files affected by the patch '4612267' for rollback. This might take a while...

Patching component oracle.oracore.rsf, 10.2.0.1.0...
Updating archive file "/u01/app/oracle/product/10.2.0/db_1/lib/libcore10.a"  with "lib/libcore10.a/sltrg.o"

Patching component oracle.rdbms, 10.2.0.1.0...
Updating archive file "/u01/app/oracle/product/10.2.0/db_1/lib/libcore10.a"  with "lib/libcore10.a/sltrg.o"
Running make for target client_sharedlib
Running make for target client_sharedlib
Running make for target ioracle
ApplySession adding interim patch '4612267' to inventory

The local system has been patched and can be restarted.


OPatch succeeded.
验证补丁是否安装：
[oracle@anti 4612267]$ $ORACLE_HOME/OPatch/opatch lsinventory（实例：/home/oracle/product/10.2.0/OPatch/opatch lsinventory）
Invoking OPatch 10.2.0.1.0

Oracle interim Patch Installer version 10.2.0.1.0
Copyright (c) 2005, Oracle Corporation.  All rights reserved..


Oracle Home       : /u01/app/oracle/product/10.2.0/db_1
Central Inventory : /u01/app/oracle/oraInventory
   from           : /u01/app/oracle/product/10.2.0/db_1/oraInst.loc
OPatch version    : 10.2.0.1.0
OUI version       : 10.2.0.1.0
OUI location      : /u01/app/oracle/product/10.2.0/db_1/oui
Log file location : /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/opatch/opatch-2011_Dec_26_15-31-35-CST_Mon.log

Lsinventory Output file location : /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/opatch/lsinv/lsinventory-2011_Dec_26_15-31-35-CST_Mon.txt

--------------------------------------------------------------------------------
Installed Top-level Products (1):

Oracle Database 10g                                                  10.2.0.1.0
There are 1 products installed in this Oracle Home.


Interim patches (1) :

Patch  4612267      : applied on Mon Dec 26 15:30:09 CST 2011
   Created on 5 Oct 2005, 13:48:00 hrs US/Pacific
   Bugs fixed:
     4612267


--------------------------------------------------------------------------------

OPatch succeeded.

为了保险起见，又重启了服务器，启动oracle，监听器，正常。