mysql突然无法启动，重装后还是如此的问题，求解答

源码安装mysql5.5，安装参数
cmake . 
-DCMAKE_INSTALL_PREFIX=/usr/local/mysql 
-DMYSQL_DATADIR=/service/data/ 
-DMYSQL_UNIX_ADDR=/service/data/mysqld.sock 
-DWITH_INNOBASE_STORAGE_ENGINE=1 
-DSYSCONFDIR=/etc
-DEXTRA_CHARSETS=all
-DDEFAULT_CHARSET=utf8 
-DDEFAULT_COLLATION=utf8_unicode_ci  
-DWITH_DEBUG=0
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之后操作
cp support-files/my-medium.cnf /etc/my.cnf
cp support-files/mysql.server /etc/init.d/mysqld
chmod 755 /etc/init.d/mysqld
bash scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/service/data/
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第一次安装后可以使用，好像是升级ubuntu系统后，关机，后来就无法使用了，启动报错

root@ubuntu:/usr/local/mysql/data/mysql# /etc/init.d/mysqld start
Starting MySQL
.. * The server quit without updating PID file (/var/lib/mysql/ubuntu.pid).
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
查看进程
root@ubuntu:/usr/local/mysql/data/mysql# ps -f | grep mysql
root 19714 1928 0 00:32 pts/0 00:00:00 grep --color=auto mysql
好像杀不掉
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
查看错误日志
root@ubuntu:/usr/local/mysql/data/mysql# vi /var/log/mysql/error.log
 
111228 00:31:14 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
111228 0:31:14 [ERROR] Can't find messagefile '/usr/local/mysql/share/mysql/english/errmsg.sys'
111228 0:31:14 [Warning] Can't create test file /var/lib/mysql/ubuntu.lower-test
111228 0:31:14 [Warning] Can't create test file /var/lib/mysql/ubuntu.lower-test
^G/usr/local/mysql/bin/mysqld: Can't change dir to '/var/lib/mysql/' (Errcode: 2)
111228 0:31:14 [ERROR] Aborting
111228 0:31:14 [Note]
111228 00:31:14 mysqld_safe mysqld from pid file /var/lib/mysql/ubuntu.pid ended
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网上搜了很多办法，都无法解决问题，关键是重新安装后页无法解决问题，请问各位大侠，如何是好？急死了

重装系统

大哥，这招也太狠了，好不容易搭好ROR环境。。。。